diff options
207 files changed, 6348 insertions, 1543 deletions
diff --git a/.gitignore b/.gitignore index d9adce585..1c57d4c95 100644 --- a/.gitignore +++ b/.gitignore @@ -144,6 +144,7 @@ git-core-*/?* gitk-wish gitweb/gitweb.cgi test-chmtime +test-ctype test-date test-delta test-dump-cache-tree @@ -152,6 +153,7 @@ test-match-trees test-parse-options test-path-utils test-sha1 +test-sigchain common-cmds.h *.tar.gz *.dsc diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index f628c1f3b..0d7fa9cca 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -21,8 +21,13 @@ code. For git in general, three rough rules are: As for more concrete guidelines, just imitate the existing code (this is a good guideline, no matter which project you are -contributing to). But if you must have a list of rules, -here they are. +contributing to). It is always preferable to match the _local_ +convention. New code added to git suite is expected to match +the overall style of existing code. Modifications to existing +code is expected to match the style the surrounding code already +uses (even if it doesn't match the overall style of existing code). + +But if you must have a list of rules, here they are. For shell scripts specifically (not exhaustive): diff --git a/Documentation/Makefile b/Documentation/Makefile index c34c1cae2..144ec32f1 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -32,6 +32,7 @@ DOC_MAN7=$(patsubst %.txt,%.7,$(MAN7_TXT)) prefix?=$(HOME) bindir?=$(prefix)/bin htmldir?=$(prefix)/share/doc/git-doc +pdfdir?=$(prefix)/share/doc/git-doc mandir?=$(prefix)/share/man man1dir=$(mandir)/man1 man5dir=$(mandir)/man5 @@ -50,6 +51,7 @@ infodir?=$(prefix)/share/info MAKEINFO=makeinfo INSTALL_INFO=install-info DOCBOOK2X_TEXI=docbook2x-texi +DBLATEX=dblatex ifndef PERL_PATH PERL_PATH = /usr/bin/perl endif @@ -87,6 +89,8 @@ man7: $(DOC_MAN7) info: git.info gitman.info +pdf: user-manual.pdf + install: install-man install-man: man @@ -107,6 +111,10 @@ install-info: info echo "No directory found in $(DESTDIR)$(infodir)" >&2 ; \ fi +install-pdf: pdf + $(INSTALL) -d -m 755 $(DESTDIR)$(pdfdir) + $(INSTALL) -m 644 user-manual.pdf $(DESTDIR)$(pdfdir) + install-html: html sh ./install-webdoc.sh $(DESTDIR)$(htmldir) @@ -187,17 +195,23 @@ git.info: user-manual.texi user-manual.texi: user-manual.xml $(RM) $@+ $@ - $(DOCBOOK2X_TEXI) user-manual.xml --to-stdout | $(PERL_PATH) fix-texi.perl >$@+ + $(DOCBOOK2X_TEXI) user-manual.xml --encoding=UTF-8 --to-stdout | \ + $(PERL_PATH) fix-texi.perl >$@+ + mv $@+ $@ + +user-manual.pdf: user-manual.xml + $(RM) $@+ $@ + $(DBLATEX) -o $@+ -p /etc/asciidoc/dblatex/asciidoc-dblatex.xsl -s /etc/asciidoc/dblatex/asciidoc-dblatex.sty $< mv $@+ $@ gitman.texi: $(MAN_XML) cat-texi.perl $(RM) $@+ $@ - ($(foreach xml,$(MAN_XML),$(DOCBOOK2X_TEXI) --to-stdout $(xml);)) | \ - $(PERL_PATH) cat-texi.perl $@ >$@+ + ($(foreach xml,$(MAN_XML),$(DOCBOOK2X_TEXI) --encoding=UTF-8 \ + --to-stdout $(xml);)) | $(PERL_PATH) cat-texi.perl $@ >$@+ mv $@+ $@ gitman.info: gitman.texi - $(MAKEINFO) --no-split $*.texi + $(MAKEINFO) --no-split --no-validate $*.texi $(patsubst %.txt,%.texi,$(MAN_TXT)): %.texi : %.xml $(RM) $@+ $@ diff --git a/Documentation/RelNotes-1.6.1.2.txt b/Documentation/RelNotes-1.6.1.2.txt new file mode 100644 index 000000000..230aa3d8e --- /dev/null +++ b/Documentation/RelNotes-1.6.1.2.txt @@ -0,0 +1,39 @@ +GIT v1.6.1.2 Release Notes +========================== + +Fixes since v1.6.1.1 +-------------------- + +* The logic for rename detectin in internal diff used by commands like + "git diff" and "git blame" have been optimized to avoid loading the same + blob repeatedly. + +* We did not allow writing out a blob that is larger than 2GB for no good + reason. + +* "git format-patch -o $dir", when $dir is a relative directory, used it + as relative to the root of the work tree, not relative to the current + directory. + +* v1.6.1 introduced an optimization for "git push" into a repository (A) + that borrows its objects from another repository (B) to avoid sending + objects that are available in repository B, when they are not yet used + by repository A. However the code on the "git push" sender side was + buggy and did not work when repository B had new objects that are not + known by the sender. This caused pushing into a "forked" repository + served by v1.6.1 software using "git push" from v1.6.1 sometimes did not + work. The bug was purely on the "git push" sender side, and has been + corrected. + +* "git status -v" did not paint its diff output in colour even when + color.ui configuration was set. + +* "git ls-tree" learned --full-tree option to help Porcelain scripts that + want to always see the full path regardless of the current working + directory. + +* "git grep" incorrectly searched in work tree paths even when they are + marked as assume-unchanged. It now searches in the index entries. + +* "git gc" with no grace period needlessly ejected packed but unreachable + objects in their loose form, only to delete them right away. diff --git a/Documentation/RelNotes-1.6.2.txt b/Documentation/RelNotes-1.6.2.txt new file mode 100644 index 000000000..3151c85d8 --- /dev/null +++ b/Documentation/RelNotes-1.6.2.txt @@ -0,0 +1,106 @@ +GIT v1.6.2 Release Notes +======================== + +Updates since v1.6.1 +-------------------- + +(subsystems) + +* git-svn updates. + +* gitweb updates, including a new patch view and RSS/Atom feed + improvements. + +(portability) + +(performance) + +* pack-objects autodetects the number of CPUs available and uses threaded + version. + +(usability, bells and whistles) + +* automatic typo correction works on aliases as well + +* @{-1} is a way to refer to the last branch you were on. This is + accepted not only where an object name is expected, but anywhere + a branch name is expected. E.g. "git branch --track mybranch @{-1}" + "git rev-parse --symbolic-full-name @{-1}". + +* "git add -p" learned 'g'oto action to jump directly to a hunk. + +* when "git am" stops upon a patch that does not apply, it shows the + title of the offending patch. + +* "git am --directory=<dir>" and "git am --reject" passes these options + to underlying "git apply". + +* "git clone" now makes its best effort when cloning from an empty + repository to set up configuration variables to refer to the remote + repository. + +* "git checkout -" is a shorthand for "git checkout @{-1}". + +* "git cherry" defaults to whatever the current branch is tracking (if + exists) when the <upstream> argument is not given. + +* "git cvsserver" can be told not to add extra "via git-CVS emulator" to + the commit log message it serves via gitcvs.commitmsgannotation + configuration. + +* "git diff" learned a new option --inter-hunk-context to coalesce close + hunks together and show context between them. + +* The definition of what constitutes a word for "git diff --color-words" + can be customized via gitattributes, command line or a configuration. + +* "git diff" learned --patience to run "patience diff" algorithm. + +* Some combinations of -b/-w/--ignore-space-at-eol to "git diff" did + not work as expected. + +* "git filter-branch" learned --prune-empty option that discards commits + that do not change the contents. + +* "git grep -w" and "git grep" for fixed strings have been optimized. + +* "git log" and friends include HEAD to the set of starting points + when --all is given. This makes a difference when you are not on + any branch. + +* "git ls-tree" learned --full-tree option that shows the path in full + regardless of where in the work tree hierarchy the command was started. + +* "git mergetool" learned -y(--no-prompt) option to disable prompting. + +* "git rebase -i" can transplant a history down to root to elsewhere + with --root option. + +* "git reset --merge" is a new mode that works similar to the way + "git checkout" switches branches, taking the local changes while + switching to another commit. + +(internal) + + +Fixes since v1.6.1 +------------------ + +All of the fixes in v1.6.1.X maintenance series are included in this +release, unless otherwise noted. + +* "git-add sub/file" when sub is a submodule incorrectly added the path to + the superproject. + +* git-bundle did not exclude annotated tags even when a range given from the + command line wanted to. + +* branch switching and merges had a silly bug that did not validate + the correct directory when making sure an existing subdirectory is + clean. + +-- +exec >/var/tmp/1 +O=v1.6.1.2-252-g8c95d3c +echo O=$(git describe master) +git shortlog --no-merges $O..master ^maint diff --git a/Documentation/cat-texi.perl b/Documentation/cat-texi.perl index dbc133cd3..828ec6255 100755 --- a/Documentation/cat-texi.perl +++ b/Documentation/cat-texi.perl @@ -18,8 +18,12 @@ close TMP; printf '\input texinfo @setfilename gitman.info -@documentencoding us-ascii -@node Top,,%s +@documentencoding UTF-8 +@dircategory Development +@direntry +* Git Man Pages: (gitman). Manual pages for Git revision control system +@end direntry +@node Top,,, (dir) @top Git Manual Pages @documentlanguage en @menu diff --git a/Documentation/config.txt b/Documentation/config.txt index 26551ea6e..e2b8775dd 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -639,6 +639,12 @@ diff.suppressBlankEmpty:: A boolean to inhibit the standard behavior of printing a space before each empty output line. Defaults to false. +diff.wordRegex:: + A POSIX Extended Regular Expression used to determine what is a "word" + when performing word-by-word difference calculations. Character + sequences that match the regular expression are "words", all other + characters are *ignorable* whitespace. + fetch.unpackLimit:: If the number of objects fetched over the git native transfer is below this @@ -702,7 +708,9 @@ gc.packrefs:: gc.pruneexpire:: When 'git-gc' is run, it will call 'prune --expire 2.weeks.ago'. - Override the grace period with this config variable. + Override the grace period with this config variable. The value + "now" may be used to disable this grace period and always prune + unreachable objects immediately. gc.reflogexpire:: 'git-reflog expire' removes reflog entries older than @@ -723,6 +731,10 @@ gc.rerereunresolved:: kept for this many days when 'git-rerere gc' is run. The default is 15 days. See linkgit:git-rerere[1]. +gitcvs.commitmsgannotation:: + Append this string to each commit message. Set to empty string + to disable this feature. Defaults to "via git-CVS emulator". + gitcvs.enabled:: Whether the CVS server interface is enabled for this repository. See linkgit:git-cvsserver[1]. @@ -1044,6 +1056,16 @@ mergetool.keepBackup:: is set to `false` then this file is not preserved. Defaults to `true` (i.e. keep the backup files). +mergetool.keepTemporaries:: + When invoking a custom merge tool, git uses a set of temporary + files to pass to the tool. If the tool returns an error and this + variable is set to `true`, then these temporary files will be + preserved, otherwise they will be removed after the tool has + exited. Defaults to `false`. + +mergetool.prompt:: + Prompt before each invocation of the merge resolution program. + pack.window:: The size of the window used by linkgit:git-pack-objects[1] when no window size is given on the command line. Defaults to 10. diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index b432d2518..813a7b11b 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -36,6 +36,9 @@ endif::git-format-patch[] --patch-with-raw:: Synonym for "-p --raw". +--patience:: + Generate a diff using the "patience diff" algorithm. + --stat[=width[,name-width]]:: Generate a diffstat. You can override the default output width for 80-column terminal by "--stat=width". @@ -91,8 +94,22 @@ endif::git-format-patch[] Turn off colored diff, even when the configuration file gives the default to color output. ---color-words:: - Show colored word diff, i.e. color words which have changed. +--color-words[=<regex>]:: + Show colored word diff, i.e., color words which have changed. + By default, words are separated by whitespace. ++ +When a <regex> is specified, every non-overlapping match of the +<regex> is considered a word. Anything between these matches is +considered whitespace and ignored(!) for the purposes of finding +differences. You may want to append `|[^[:space:]]` to your regular +expression to make sure that it matches all non-whitespace characters. +A match that contains a newline is silently truncated(!) at the +newline. ++ +The regex can also be set via a diff driver or configuration option, see +linkgit:gitattributes[1] or linkgit:git-config[1]. Giving it explicitly +overrides any diff driver or configuration setting. Diff drivers +override configuration settings. --no-renames:: Turn off rename detection, even when the configuration @@ -116,7 +133,7 @@ endif::git-format-patch[] --abbrev[=<n>]:: Instead of showing the full 40-byte hexadecimal object name in diff-raw format output and diff-tree header - lines, show only handful hexdigits prefix. This is + lines, show only a partial prefix. This is independent of --full-index option above, which controls the diff-patch output format. Non default number of digits can be specified with --abbrev=<n>. @@ -205,6 +222,10 @@ endif::git-format-patch[] differences even if one line has whitespace where the other line has none. +--inter-hunk-context=<lines>:: + Show the context between diff hunks, up to the specified number + of lines, thereby fusing hunks that are close to each other. + --exit-code:: Make the program exit with codes similar to diff(1). That is, it exits with 1 if there were differences and diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt index b9c6fac74..efd311b1c 100644 --- a/Documentation/git-am.txt +++ b/Documentation/git-am.txt @@ -11,7 +11,8 @@ SYNOPSIS [verse] 'git am' [--signoff] [--keep] [--utf8 | --no-utf8] [--3way] [--interactive] - [--whitespace=<option>] [-C<n>] [-p<n>] + [--whitespace=<option>] [-C<n>] [-p<n>] [--directory=<dir>] + [--reject] [<mbox> | <Maildir>...] 'git am' (--skip | --resolved | --abort) @@ -60,12 +61,10 @@ default. You could use `--no-utf8` to override this. available locally. --whitespace=<option>:: - This flag is passed to the 'git-apply' (see linkgit:git-apply[1]) - program that applies - the patch. - -C<n>:: -p<n>:: +--directory=<dir>:: +--reject:: These flags are passed to the 'git-apply' (see linkgit:git-apply[1]) program that applies the patch. diff --git a/Documentation/git-apply.txt b/Documentation/git-apply.txt index e726510ab..9400f6a5d 100644 --- a/Documentation/git-apply.txt +++ b/Documentation/git-apply.txt @@ -10,7 +10,7 @@ SYNOPSIS -------- [verse] 'git apply' [--stat] [--numstat] [--summary] [--check] [--index] - [--apply] [--no-add] [--build-fake-ancestor <file>] [-R | --reverse] + [--apply] [--no-add] [--build-fake-ancestor=<file>] [-R | --reverse] [--allow-binary-replacement | --binary] [--reject] [-z] [-pNUM] [-CNUM] [--inaccurate-eof] [--recount] [--cached] [--whitespace=<nowarn|warn|fix|error|error-all>] @@ -64,7 +64,7 @@ OPTIONS cached data, apply the patch, and store the result in the index, without using the working tree. This implies '--index'. ---build-fake-ancestor <file>:: +--build-fake-ancestor=<file>:: Newer 'git-diff' output has embedded 'index information' for each blob to help identify the original version that the patch applies to. When this flag is given, and if diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt index 9cd51514d..3bccffae6 100644 --- a/Documentation/git-checkout.txt +++ b/Documentation/git-checkout.txt @@ -133,6 +133,10 @@ the conflicted merge in the specified paths. + When this parameter names a non-branch (but still a valid commit object), your HEAD becomes 'detached'. ++ +As a special case, the "`@\{-N\}`" syntax for the N-th last branch +checks out the branch (instead of detaching). You may also specify +"`-`" which is synonymous with "`@\{-1\}`". Detached HEAD diff --git a/Documentation/git-cherry.txt b/Documentation/git-cherry.txt index 74d14c4e7..7deefdae8 100644 --- a/Documentation/git-cherry.txt +++ b/Documentation/git-cherry.txt @@ -7,7 +7,7 @@ git-cherry - Find commits not merged upstream SYNOPSIS -------- -'git cherry' [-v] <upstream> [<head>] [<limit>] +'git cherry' [-v] [<upstream> [<head> [<limit>]]] DESCRIPTION ----------- @@ -51,6 +51,7 @@ OPTIONS <upstream>:: Upstream branch to compare against. + Defaults to the first tracked remote branch, if available. <head>:: Working branch; defaults to HEAD. diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt index a30c5ac96..b231dbb94 100644 --- a/Documentation/git-describe.txt +++ b/Documentation/git-describe.txt @@ -87,7 +87,7 @@ With something like git.git current tree, I get: v1.0.4-14-g2414721 i.e. the current head of my "parent" branch is based on v1.0.4, -but since it has a handful commits on top of that, +but since it has a few commits on top of that, describe has added the number of additional commits ("14") and an abbreviated object name for the commit itself ("2414721") at the end. diff --git a/Documentation/git-filter-branch.txt b/Documentation/git-filter-branch.txt index fed6de6a7..451950bab 100644 --- a/Documentation/git-filter-branch.txt +++ b/Documentation/git-filter-branch.txt @@ -122,6 +122,10 @@ You can use the 'map' convenience function in this filter, and other convenience functions, too. For example, calling 'skip_commit "$@"' will leave out the current commit (but not its changes! If you want that, use 'git-rebase' instead). ++ +You can also use the 'git_commit_non_empty_tree "$@"' instead of +'git commit-tree "$@"' if you don't wish to keep commits with a single parent +and that makes no change to the tree. --tag-name-filter <command>:: This is the filter for rewriting tag names. When passed, @@ -151,6 +155,16 @@ to other tags will be rewritten to point to the underlying commit. The result will contain that directory (and only that) as its project root. +--prune-empty:: + Some kind of filters will generate empty commits, that left the tree + untouched. This switch allow git-filter-branch to ignore such + commits. Though, this switch only applies for commits that have one + and only one parent, it will hence keep merges points. Also, this + option is not compatible with the use of '--commit-filter'. Though you + just need to use the function 'git_commit_non_empty_tree "$@"' instead + of the 'git commit-tree "$@"' idiom in your commit filter to make that + happen. + --original <namespace>:: Use this option to set the namespace where the original commits will be stored. The default value is 'refs/original'. diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt index 9f85d60b5..057a021eb 100644 --- a/Documentation/git-ls-files.txt +++ b/Documentation/git-ls-files.txt @@ -126,7 +126,7 @@ OPTIONS --abbrev[=<n>]:: Instead of showing the full 40-byte hexadecimal object - lines, show only handful hexdigits prefix. + lines, show only a partial prefix. Non default number of digits can be specified with --abbrev=<n>. \--:: diff --git a/Documentation/git-ls-tree.txt b/Documentation/git-ls-tree.txt index 4c7262f1c..f68e5c5c1 100644 --- a/Documentation/git-ls-tree.txt +++ b/Documentation/git-ls-tree.txt @@ -10,7 +10,7 @@ SYNOPSIS -------- [verse] 'git ls-tree' [-d] [-r] [-t] [-l] [-z] - [--name-only] [--name-status] [--full-name] [--abbrev=[<n>]] + [--name-only] [--name-status] [--full-name] [--full-tree] [--abbrev=[<n>]] <tree-ish> [paths...] DESCRIPTION @@ -30,6 +30,8 @@ in the current working directory. Note that: 'sub/dir' in 'HEAD'). You don't want to give a tree that is not at the root level (e.g. 'git ls-tree -r HEAD:sub dir') in this case, as that would result in asking for 'sub/sub/dir' in the 'HEAD' commit. + However, the current working directory can be ignored by passing + --full-tree option. OPTIONS ------- @@ -59,13 +61,17 @@ OPTIONS --abbrev[=<n>]:: Instead of showing the full 40-byte hexadecimal object - lines, show only handful hexdigits prefix. + lines, show only a partial prefix. Non default number of digits can be specified with --abbrev=<n>. --full-name:: Instead of showing the path names relative to the current working directory, show the full path names. +--full-tree:: + Do not limit the listing to the current working directory. + Implies --full-name. + paths:: When paths are given, show them (note that this isn't really raw pathnames, but rather a list of patterns to match). Otherwise diff --git a/Documentation/git-mergetool.txt b/Documentation/git-mergetool.txt index 602e7c6d3..5d3c63287 100644 --- a/Documentation/git-mergetool.txt +++ b/Documentation/git-mergetool.txt @@ -7,7 +7,7 @@ git-mergetool - Run merge conflict resolution tools to resolve merge conflicts SYNOPSIS -------- -'git mergetool' [--tool=<tool>] [<file>]... +'git mergetool' [--tool=<tool>] [-y|--no-prompt|--prompt] [<file>]... DESCRIPTION ----------- @@ -22,7 +22,8 @@ with merge conflicts. OPTIONS ------- --t or --tool=<tool>:: +-t <tool>:: +--tool=<tool>:: Use the merge resolution program specified by <tool>. Valid merge tools are: kdiff3, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff, ecmerge, and opendiff @@ -60,6 +61,16 @@ variable `mergetool.<tool>.trustExitCode` can be set to `true`. Otherwise, 'git-mergetool' will prompt the user to indicate the success of the resolution after the custom tool has exited. +-y:: +--no-prompt:: + Don't prompt before each invocation of the merge resolution + program. + +--prompt:: + Prompt before each invocation of the merge resolution program. + This is the default behaviour; the option is provided to + override any configuration settings. + Author ------ Written by Theodore Y Ts'o <tytso@mit.edu> diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index c8ad86a56..3d6d429e5 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -8,10 +8,11 @@ git-rebase - Forward-port local commits to the updated upstream head SYNOPSIS -------- [verse] -'git rebase' [-i | --interactive] [-v | --verbose] [-m | --merge] - [-s <strategy> | --strategy=<strategy>] [--no-verify] - [-C<n>] [ --whitespace=<option>] [-p | --preserve-merges] - [--onto <newbase>] <upstream> [<branch>] +'git rebase' [-i | --interactive] [options] [--onto <newbase>] + <upstream> [<branch>] +'git rebase' [-i | --interactive] [options] --onto <newbase> + --root [<branch>] + 'git rebase' --continue | --skip | --abort DESCRIPTION @@ -22,7 +23,8 @@ it remains on the current branch. All changes made by commits in the current branch but that are not in <upstream> are saved to a temporary area. This is the same set -of commits that would be shown by `git log <upstream>..HEAD`. +of commits that would be shown by `git log <upstream>..HEAD` (or +`git log HEAD`, if --root is specified). The current branch is reset to <upstream>, or <newbase> if the --onto option was supplied. This has the exact same effect as @@ -255,6 +257,15 @@ OPTIONS --preserve-merges:: Instead of ignoring merges, try to recreate them. +--root:: + Rebase all commits reachable from <branch>, instead of + limiting them with an <upstream>. This allows you to rebase + the root commit(s) on a branch. Must be used with --onto, and + will skip changes already contained in <newbase> (instead of + <upstream>). When used together with --preserve-merges, 'all' + root commits will be rewritten to have <newbase> as parent + instead. + include::merge-strategies.txt[] NOTES diff --git a/Documentation/git-reset.txt b/Documentation/git-reset.txt index 2049f3d97..abb25d1c0 100644 --- a/Documentation/git-reset.txt +++ b/Documentation/git-reset.txt @@ -8,7 +8,7 @@ git-reset - Reset current HEAD to the specified state SYNOPSIS -------- [verse] -'git reset' [--mixed | --soft | --hard] [-q] [<commit>] +'git reset' [--mixed | --soft | --hard | --merge] [-q] [<commit>] 'git reset' [-q] [<commit>] [--] <paths>... DESCRIPTION @@ -45,6 +45,11 @@ OPTIONS switched to. Any changes to tracked files in the working tree since <commit> are lost. +--merge:: + Resets the index to match the tree recorded by the named commit, + and updates the files that are different between the named commit + and the current commit in the working tree. + -q:: Be quiet, only report errors. @@ -152,6 +157,28 @@ tip of the current branch in ORIG_HEAD, so resetting hard to it brings your index file and the working tree back to that state, and resets the tip of the branch to that commit. +Undo a merge or pull inside a dirty work tree:: ++ +------------ +$ git pull <1> +Auto-merging nitfol +Merge made by recursive. + nitfol | 20 +++++---- + ... +$ git reset --merge ORIG_HEAD <2> +------------ ++ +<1> Even if you may have local modifications in your +working tree, you can safely say "git pull" when you know +that the change in the other branch does not overlap with +them. +<2> After inspecting the result of the merge, you may find +that the change in the other branch is unsatisfactory. Running +"git reset --hard ORIG_HEAD" will let you go back to where you +were, but it will discard your local changes, which you do not +want. "git reset --merge" keeps your local changes. + + Interrupted workflow:: + Suppose you are interrupted by an urgent fix request while you diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 2921da320..3ccef2f2b 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -212,6 +212,9 @@ when you run 'git-merge'. reflog of the current branch. For example, if you are on the branch 'blabla', then '@\{1\}' means the same as 'blabla@\{1\}'. +* The special construct '@\{-<n>\}' means the <n>th branch checked out + before the current one. + * A suffix '{caret}' to a revision parameter means the first parent of that commit object. '{caret}<n>' means the <n>th parent (i.e. 'rev{caret}' diff --git a/Documentation/git-shortlog.txt b/Documentation/git-shortlog.txt index 8f7c0e226..498bd2892 100644 --- a/Documentation/git-shortlog.txt +++ b/Documentation/git-shortlog.txt @@ -82,7 +82,7 @@ her family name fully spelled out, a proper `.mailmap` file would look like: # Note how we don't need an entry for <jane@laptop.(none)>, because the # real name of that author is correct already, and coalesced directly. Jane Doe <jane@desktop.(none)> -Joe R. Developer <joe@random.com> +Joe R. Developer <joe@example.com> ------------ Author diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index 8d0c421b8..7b654f792 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt @@ -92,6 +92,30 @@ COMMANDS .git/config file may be specified as an optional command-line argument. +--localtime;; + Store Git commit times in the local timezone instead of UTC. This + makes 'git-log' (even without --date=local) show the same times + that `svn log` would in the local timezone. + +This doesn't interfere with interoperating with the Subversion +repository you cloned from, but if you wish for your local Git +repository to be able to interoperate with someone else's local Git +repository, either don't use this option or you should both use it in +the same local timezone. + +--ignore-paths=<regex>;; + This allows one to specify Perl regular expression that will + cause skipping of all matching paths from checkout from SVN. + Examples: + + --ignore-paths="^doc" - skip "doc*" directory for every fetch. + + --ignore-paths="^[^/]+/(?:branches|tags)" - skip "branches" + and "tags" of first level directories. + + Regular expression is not persistent, you should specify + it every time when fetching. + 'clone':: Runs 'init' and 'fetch'. It will automatically create a directory based on the basename of the URL passed to it; diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt index e44f54302..533d18bbd 100644 --- a/Documentation/git-tag.txt +++ b/Documentation/git-tag.txt @@ -12,7 +12,7 @@ SYNOPSIS 'git tag' [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <name> [<commit> | <object>] 'git tag' -d <name>... -'git tag' [-n[<num>]] -l [<pattern>] +'git tag' [-n[<num>]] -l [--contains <commit>] [<pattern>] 'git tag' -v <name>... DESCRIPTION @@ -68,6 +68,9 @@ OPTIONS List tags with names that match the given pattern (or all if no pattern is given). Typing "git tag" without arguments, also lists all tags. +--contains <commit>:: + Only list tags which contain the specified commit. + -m <msg>:: Use the given tag message (instead of prompting). If multiple `-m` options are given, their values are diff --git a/Documentation/git.txt b/Documentation/git.txt index 17dc8b201..cd527c625 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -43,9 +43,10 @@ unreleased) version of git, that is available from 'master' branch of the `git.git` repository. Documentation for older releases are available here: -* link:v1.6.1/git.html[documentation for release 1.6.1] +* link:v1.6.1.1/git.html[documentation for release 1.6.1.1] * release notes for + link:RelNotes-1.6.1.1.txt[1.6.1.1], link:RelNotes-1.6.1.txt[1.6.1]. * link:v1.6.0.6/git.html[documentation for release 1.6.0.6] diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt index 8af22ecca..227934f59 100644 --- a/Documentation/gitattributes.txt +++ b/Documentation/gitattributes.txt @@ -317,6 +317,8 @@ patterns are available: - `bibtex` suitable for files with BibTeX coded references. +- `cpp` suitable for source code in the C and C++ languages. + - `html` suitable for HTML/XHTML documents. - `java` suitable for source code in the Java language. @@ -334,6 +336,25 @@ patterns are available: - `tex` suitable for source code for LaTeX documents. +Customizing word diff +^^^^^^^^^^^^^^^^^^^^^ + +You can customize the rules that `git diff --color-words` uses to +split words in a line, by specifying an appropriate regular expression +in the "diff.*.wordRegex" configuration variable. For example, in TeX +a backslash followed by a sequence of letters forms a command, but +several such commands can be run together without intervening +whitespace. To separate them, use a regular expression such as + +------------------------ +[diff "tex"] + wordRegex = "\\\\[a-zA-Z]+|[{}]|\\\\.|[^\\{}[:space:]]+" +------------------------ + +A built-in pattern is provided for all languages listed in the +previous section. + + Performing text diffs of binary files ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/Documentation/gitcore-tutorial.txt b/Documentation/gitcore-tutorial.txt index e4dd5518c..7ba5e589d 100644 --- a/Documentation/gitcore-tutorial.txt +++ b/Documentation/gitcore-tutorial.txt @@ -1243,10 +1243,10 @@ $ git ls-files --stage ------------ In our example of only two files, we did not have unchanged -files so only 'example' resulted in collapsing, but in real-life -large projects, only small number of files change in one commit, -and this 'collapsing' tends to trivially merge most of the paths -fairly quickly, leaving only a handful the real changes in non-zero +files so only 'example' resulted in collapsing. But in real-life +large projects, when only a small number of files change in one commit, +this 'collapsing' tends to trivially merge most of the paths +fairly quickly, leaving only a handful of real changes in non-zero stages. To look at only non-zero stages, use `\--unmerged` flag: diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt index 28a8abcf5..1fd512bca 100644 --- a/Documentation/githooks.txt +++ b/Documentation/githooks.txt @@ -15,7 +15,7 @@ DESCRIPTION Hooks are little scripts you can place in `$GIT_DIR/hooks` directory to trigger action at certain points. When -'git-init' is run, a handful example hooks are copied in the +'git-init' is run, a handful of example hooks are copied into the `hooks` directory of the new repository, but by default they are all disabled. To enable a hook, rename it by removing its `.sample` suffix. diff --git a/Documentation/gittutorial-2.txt b/Documentation/gittutorial-2.txt index a057b50b2..dc8fc3a18 100644 --- a/Documentation/gittutorial-2.txt +++ b/Documentation/gittutorial-2.txt @@ -32,12 +32,12 @@ Initialized empty Git repository in .git/ $ echo 'hello world' > file.txt $ git add . $ git commit -a -m "initial commit" -[master (root-commit)] created 54196cc: "initial commit" +[master (root-commit) 54196cc] initial commit 1 files changed, 1 insertions(+), 0 deletions(-) create mode 100644 file.txt $ echo 'hello world!' >file.txt $ git commit -a -m "add emphasis" -[master] created c4d59f3: "add emphasis" +[master c4d59f3] add emphasis 1 files changed, 1 insertions(+), 1 deletions(-) ------------------------------------------------ diff --git a/Documentation/gittutorial.txt b/Documentation/gittutorial.txt index 458fafdb2..c5d5596d8 100644 --- a/Documentation/gittutorial.txt +++ b/Documentation/gittutorial.txt @@ -308,9 +308,7 @@ alice$ git pull /home/bob/myrepo master This merges the changes from Bob's "master" branch into Alice's current branch. If Alice has made her own changes in the meantime, -then she may need to manually fix any conflicts. (Note that the -"master" argument in the above command is actually unnecessary, as it -is the default.) +then she may need to manually fix any conflicts. The "pull" command thus performs two operations: it fetches changes from a remote branch, then merges them into the current branch. diff --git a/Documentation/howto/rebase-from-internal-branch.txt b/Documentation/howto/rebase-from-internal-branch.txt index d214d4bf9..74a1c0c4b 100644 --- a/Documentation/howto/rebase-from-internal-branch.txt +++ b/Documentation/howto/rebase-from-internal-branch.txt @@ -27,7 +27,7 @@ the kind of task StGIT is designed to do. I just have done a simpler one, this time using only the core GIT tools. -I had a handful commits that were ahead of master in pu, and I +I had a handful of commits that were ahead of master in pu, and I wanted to add some documentation bypassing my usual habit of placing new things in pu first. At the beginning, the commit ancestry graph looked like this: diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index 0a8a948e6..3d87d3edd 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -124,6 +124,7 @@ The placeholders are: - '%Cgreen': switch color to green - '%Cblue': switch color to blue - '%Creset': reset color +- '%C(...)': color specification, as described in color.branch.* config option - '%m': left, right or boundary mark - '%n': newline - '%x00': print a byte from a hex code diff --git a/Documentation/pretty-options.txt b/Documentation/pretty-options.txt index 6d66c74cc..5f21efe40 100644 --- a/Documentation/pretty-options.txt +++ b/Documentation/pretty-options.txt @@ -10,7 +10,7 @@ configuration (see linkgit:git-config[1]). --abbrev-commit:: Instead of showing the full 40-byte hexadecimal commit object - name, show only handful hexdigits prefix. Non default number of + name, show only a partial prefix. Non default number of digits can be specified with "--abbrev=<n>" (which also modifies diff output, if it is displayed). + diff --git a/Documentation/technical/api-run-command.txt b/Documentation/technical/api-run-command.txt index 82e9e831b..2efe7a40b 100644 --- a/Documentation/technical/api-run-command.txt +++ b/Documentation/technical/api-run-command.txt @@ -52,6 +52,21 @@ Functions Wait for the completion of an asynchronous function that was started with start_async(). +`run_hook`:: + + Run a hook. + The first argument is a pathname to an index file, or NULL + if the hook uses the default index file or no index is needed. + The second argument is the name of the hook. + The further arguments correspond to the hook arguments. + The last argument has to be NULL to terminate the arguments list. + If the hook does not exist or is not executable, the return + value will be zero. + If it is executable, the hook will be executed and the exit + status of the hook is returned. + On execution, .stdout_to_stderr and .no_stdin will be set. + (See below.) + Data structures --------------- diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt index a8ee2fe6a..9a4e3ea92 100644 --- a/Documentation/technical/api-strbuf.txt +++ b/Documentation/technical/api-strbuf.txt @@ -133,8 +133,10 @@ Functions * Adding data to the buffer -NOTE: All of these functions in this section will grow the buffer as - necessary. +NOTE: All of the functions in this section will grow the buffer as necessary. +If they fail for some reason other than memory shortage and the buffer hadn't +been allocated before (i.e. the `struct strbuf` was set to `STRBUF_INIT`), +then they will free() it. `strbuf_addch`:: @@ -235,6 +237,11 @@ same behaviour as well. Read the contents of a file, specified by its path. The third argument can be used to give a hint about the file size, to avoid reallocs. +`strbuf_readlink`:: + + Read the target of a symbolic link, specified by its path. The third + argument can be used to give a hint about the size, to avoid reallocs. + `strbuf_getline`:: Read a line from a FILE* pointer. The second argument specifies the line diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN index fe496e5fc..9c9fe640f 100755 --- a/GIT-VERSION-GEN +++ b/GIT-VERSION-GEN @@ -1,7 +1,7 @@ #!/bin/sh GVF=GIT-VERSION-FILE -DEF_VER=v1.6.1.1.GIT +DEF_VER=v1.6.1.GIT LF=' ' @@ -101,6 +101,9 @@ Issues of note: Building and installing the info file additionally requires makeinfo and docbook2X. Version 0.8.3 is known to work. + Building and installing the pdf file additionally requires + dblatex. Version 0.2.7 with asciidoc >= 8.2.7 is known to work. + The documentation is written for AsciiDoc 7, but "make ASCIIDOC8=YesPlease doc" will let you format with AsciiDoc 8. @@ -23,6 +23,9 @@ all:: # Define NO_EXPAT if you do not have expat installed. git-http-push is # not built, and you cannot push using http:// and https:// transports. # +# Define EXPATDIR=/foo/bar if your expat header and library files are in +# /foo/bar/include and /foo/bar/lib directories. +# # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. # # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks @@ -179,28 +182,32 @@ STRIP ?= strip # Among the variables below, these: # gitexecdir # template_dir +# mandir +# infodir # htmldir # ETC_GITCONFIG (but not sysconfdir) -# can be specified as a relative path ../some/where/else (which must begin -# with ../); this is interpreted as relative to $(bindir) and "git" at +# can be specified as a relative path some/where/else; +# this is interpreted as relative to $(prefix) and "git" at # runtime figures out where they are based on the path to the executable. # This can help installing the suite in a relocatable way. prefix = $(HOME) -bindir = $(prefix)/bin -mandir = $(prefix)/share/man -infodir = $(prefix)/share/info -gitexecdir = $(prefix)/libexec/git-core +bindir_relative = bin +bindir = $(prefix)/$(bindir_relative) +mandir = share/man +infodir = share/info +gitexecdir = libexec/git-core sharedir = $(prefix)/share -template_dir = $(sharedir)/git-core/templates -htmldir=$(sharedir)/doc/git-doc +template_dir = share/git-core/templates +htmldir = share/doc/git-doc ifeq ($(prefix),/usr) sysconfdir = /etc +ETC_GITCONFIG = $(sysconfdir)/gitconfig else sysconfdir = $(prefix)/etc +ETC_GITCONFIG = etc/gitconfig endif lib = lib -ETC_GITCONFIG = $(sysconfdir)/gitconfig # DESTDIR= # default configuration for gitweb @@ -388,6 +395,7 @@ LIB_H += revision.h LIB_H += run-command.h LIB_H += sha1-lookup.h LIB_H += sideband.h +LIB_H += sigchain.h LIB_H += strbuf.h LIB_H += tag.h LIB_H += transport.h @@ -481,6 +489,7 @@ LIB_OBJS += sha1-lookup.o LIB_OBJS += sha1_name.o LIB_OBJS += shallow.o LIB_OBJS += sideband.o +LIB_OBJS += sigchain.o LIB_OBJS += strbuf.o LIB_OBJS += symlinks.o LIB_OBJS += tag.o @@ -785,6 +794,7 @@ ifneq (,$(findstring MINGW,$(uname_S))) SNPRINTF_RETURNS_BOGUS = YesPlease NO_SVN_TESTS = YesPlease NO_PERL_MAKEMAKER = YesPlease + RUNTIME_PREFIX = YesPlease NO_POSIX_ONLY_PROGRAMS = YesPlease NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/regex -Icompat/fnmatch @@ -793,9 +803,6 @@ ifneq (,$(findstring MINGW,$(uname_S))) COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/regex/regex.o compat/winansi.o EXTLIBS += -lws2_32 X = .exe - gitexecdir = ../libexec/git-core - template_dir = ../share/git-core/templates/ - ETC_GITCONFIG = ../etc/gitconfig endif ifneq (,$(findstring arm,$(uname_M))) ARM_SHA1 = YesPlease @@ -817,6 +824,7 @@ ifeq ($(uname_S),Darwin) BASIC_LDFLAGS += -L/opt/local/lib endif endif + PTHREAD_LIBS = endif ifndef CC_LD_DYNPATH @@ -849,7 +857,12 @@ else endif endif ifndef NO_EXPAT - EXPAT_LIBEXPAT = -lexpat + ifdef EXPATDIR + BASIC_CFLAGS += -I$(EXPATDIR)/include + EXPAT_LIBEXPAT = -L$(EXPATDIR)/$(lib) $(CC_LD_DYNPATH)$(EXPATDIR)/$(lib) -lexpat + else + EXPAT_LIBEXPAT = -lexpat + endif endif endif @@ -1027,6 +1040,9 @@ ifdef INTERNAL_QSORT COMPAT_CFLAGS += -DINTERNAL_QSORT COMPAT_OBJS += compat/qsort.o endif +ifdef RUNTIME_PREFIX + COMPAT_CFLAGS += -DRUNTIME_PREFIX +endif ifdef NO_PTHREADS THREADED_DELTA_SEARCH = @@ -1086,6 +1102,7 @@ ETC_GITCONFIG_SQ = $(subst ','\'',$(ETC_GITCONFIG)) DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) bindir_SQ = $(subst ','\'',$(bindir)) +bindir_relative_SQ = $(subst ','\'',$(bindir_relative)) mandir_SQ = $(subst ','\'',$(mandir)) infodir_SQ = $(subst ','\'',$(infodir)) gitexecdir_SQ = $(subst ','\'',$(gitexecdir)) @@ -1251,7 +1268,12 @@ git.o git.spec \ $(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) $< exec_cmd.o: exec_cmd.c GIT-CFLAGS - $(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' $< + $(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) \ + '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \ + '-DBINDIR="$(bindir_relative_SQ)"' \ + '-DPREFIX="$(prefix_SQ)"' \ + $< + builtin-init-db.o: builtin-init-db.c GIT-CFLAGS $(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) -DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"' $< @@ -1287,7 +1309,7 @@ $(LIB_FILE): $(LIB_OBJS) $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIB_OBJS) XDIFF_OBJS=xdiff/xdiffi.o xdiff/xprepare.o xdiff/xutils.o xdiff/xemit.o \ - xdiff/xmerge.o + xdiff/xmerge.o xdiff/xpatience.o $(XDIFF_OBJS): xdiff/xinclude.h xdiff/xmacros.h xdiff/xdiff.h xdiff/xtypes.h \ xdiff/xutils.h xdiff/xprepare.h xdiff/xdiffi.h xdiff/xemit.h @@ -1307,6 +1329,9 @@ html: info: $(MAKE) -C Documentation info +pdf: + $(MAKE) -C Documentation pdf + TAGS: $(RM) TAGS $(FIND) . -name '*.[hcS]' -print | xargs etags -a @@ -1353,7 +1378,16 @@ endif ### Testing rules -TEST_PROGRAMS = test-chmtime$X test-genrandom$X test-date$X test-delta$X test-sha1$X test-match-trees$X test-parse-options$X test-path-utils$X +TEST_PROGRAMS += test-chmtime$X +TEST_PROGRAMS += test-ctype$X +TEST_PROGRAMS += test-date$X +TEST_PROGRAMS += test-delta$X +TEST_PROGRAMS += test-genrandom$X +TEST_PROGRAMS += test-match-trees$X +TEST_PROGRAMS += test-parse-options$X +TEST_PROGRAMS += test-path-utils$X +TEST_PROGRAMS += test-sha1$X +TEST_PROGRAMS += test-sigchain$X all:: $(TEST_PROGRAMS) @@ -1366,6 +1400,8 @@ export NO_SVN_TESTS test: all $(MAKE) -C t/ all +test-ctype$X: ctype.o + test-date$X: date.o ctype.o test-delta$X: diff-delta.o patch-delta.o @@ -1397,17 +1433,17 @@ remove-dashes: ### Installation rules -ifeq ($(firstword $(subst /, ,$(template_dir))),..) -template_instdir = $(bindir)/$(template_dir) -else +ifeq ($(abspath $(template_dir)),$(template_dir)) template_instdir = $(template_dir) +else +template_instdir = $(prefix)/$(template_dir) endif export template_instdir -ifeq ($(firstword $(subst /, ,$(gitexecdir))),..) -gitexec_instdir = $(bindir)/$(gitexecdir) -else +ifeq ($(abspath $(gitexecdir)),$(gitexecdir)) gitexec_instdir = $(gitexecdir) +else +gitexec_instdir = $(prefix)/$(gitexecdir) endif gitexec_instdir_SQ = $(subst ','\'',$(gitexec_instdir)) export gitexec_instdir @@ -1431,10 +1467,12 @@ endif { $(RM) "$$execdir/git-add$X" && \ ln git-add$X "$$execdir/git-add$X" 2>/dev/null || \ cp git-add$X "$$execdir/git-add$X"; } && \ - { $(foreach p,$(filter-out git-add$X,$(BUILT_INS)), $(RM) "$$execdir/$p" && \ - ln "$$execdir/git-add$X" "$$execdir/$p" 2>/dev/null || \ - ln -s "git-add$X" "$$execdir/$p" 2>/dev/null || \ - cp "$$execdir/git-add$X" "$$execdir/$p" || exit;) } && \ + { for p in $(filter-out git-add$X,$(BUILT_INS)); do \ + $(RM) "$$execdir/$$p" && \ + ln "$$execdir/git-add$X" "$$execdir/$$p" 2>/dev/null || \ + ln -s "git-add$X" "$$execdir/$$p" 2>/dev/null || \ + cp "$$execdir/git-add$X" "$$execdir/$$p" || exit; \ + done } && \ ./check_bindir "z$$bindir" "z$$execdir" "$$bindir/git-add$X" install-doc: @@ -1449,6 +1487,9 @@ install-html: install-info: $(MAKE) -C Documentation install-info +install-pdf: + $(MAKE) -C Documentation install-pdf + quick-install-doc: $(MAKE) -C Documentation quick-install @@ -1 +1 @@ -Documentation/RelNotes-1.6.1.1.txt
\ No newline at end of file +Documentation/RelNotes-1.6.2.txt
\ No newline at end of file diff --git a/builtin-apply.c b/builtin-apply.c index a8f75ed3e..b415daf07 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -14,6 +14,7 @@ #include "builtin.h" #include "string-list.h" #include "dir.h" +#include "parse-options.h" /* * --check turns on checking that the working tree matches the @@ -45,9 +46,11 @@ static int apply_verbosely; static int no_add; static const char *fake_ancestor; static int line_termination = '\n'; -static unsigned long p_context = ULONG_MAX; -static const char apply_usage[] = -"git apply [--stat] [--numstat] [--summary] [--check] [--index] [--cached] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [--reverse] [--reject] [--verbose] [-z] [-pNUM] [-CNUM] [--whitespace=<nowarn|warn|fix|error|error-all>] <patch>..."; +static unsigned int p_context = UINT_MAX; +static const char * const apply_usage[] = { + "git apply [options] [<patch>...]", + NULL +}; static enum ws_error_action { nowarn_ws_error, @@ -61,6 +64,8 @@ static int applied_after_fixing_ws; static const char *patch_input_file; static const char *root; static int root_len; +static int read_stdin = 1; +static int options; static void parse_whitespace_option(const char *option) { @@ -1253,8 +1258,9 @@ static char *inflate_it(const void *data, unsigned long size, stream.avail_in = size; stream.next_out = out = xmalloc(inflated_size); stream.avail_out = inflated_size; - inflateInit(&stream); - st = inflate(&stream, Z_FINISH); + git_inflate_init(&stream); + st = git_inflate(&stream, Z_FINISH); + git_inflate_end(&stream); if ((st != Z_STREAM_END) || stream.total_out != inflated_size) { free(out); return NULL; @@ -3137,151 +3143,160 @@ static int git_apply_config(const char *var, const char *value, void *cb) return git_default_config(var, value, cb); } +static int option_parse_exclude(const struct option *opt, + const char *arg, int unset) +{ + add_name_limit(arg, 1); + return 0; +} + +static int option_parse_include(const struct option *opt, + const char *arg, int unset) +{ + add_name_limit(arg, 0); + has_include = 1; + return 0; +} + +static int option_parse_p(const struct option *opt, + const char *arg, int unset) +{ + p_value = atoi(arg); + p_value_known = 1; + return 0; +} + +static int option_parse_z(const struct option *opt, + const char *arg, int unset) +{ + if (unset) + line_termination = '\n'; + else + line_termination = 0; + return 0; +} + +static int option_parse_whitespace(const struct option *opt, + const char *arg, int unset) +{ + const char **whitespace_option = opt->value; + + *whitespace_option = arg; + parse_whitespace_option(arg); + return 0; +} + +static int option_parse_directory(const struct option *opt, + const char *arg, int unset) +{ + root_len = strlen(arg); + if (root_len && arg[root_len - 1] != '/') { + char *new_root; + root = new_root = xmalloc(root_len + 2); + strcpy(new_root, arg); + strcpy(new_root + root_len++, "/"); + } else + root = arg; + return 0; +} int cmd_apply(int argc, const char **argv, const char *unused_prefix) { int i; - int read_stdin = 1; - int options = 0; int errs = 0; int is_not_gitdir; + int binary; + int force_apply = 0; const char *whitespace_option = NULL; + struct option builtin_apply_options[] = { + { OPTION_CALLBACK, 0, "exclude", NULL, "path", + "don´t apply changes matching the given path", + 0, option_parse_exclude }, + { OPTION_CALLBACK, 0, "include", NULL, "path", + "apply changes matching the given path", + 0, option_parse_include }, + { OPTION_CALLBACK, 'p', NULL, NULL, "num", + "remove <num> leading slashes from traditional diff paths", + 0, option_parse_p }, + OPT_BOOLEAN(0, "no-add", &no_add, + "ignore additions made by the patch"), + OPT_BOOLEAN(0, "stat", &diffstat, + "instead of applying the patch, output diffstat for the input"), + OPT_BOOLEAN(0, "allow-binary-replacement", &binary, + "now no-op"), + OPT_BOOLEAN(0, "binary", &binary, + "now no-op"), + OPT_BOOLEAN(0, "numstat", &numstat, + "shows number of added and deleted lines in decimal notation"), + OPT_BOOLEAN(0, "summary", &summary, + "instead of applying the patch, output a summary for the input"), + OPT_BOOLEAN(0, "check", &check, + "instead of applying the patch, see if the patch is applicable"), + OPT_BOOLEAN(0, "index", &check_index, + "make sure the patch is applicable to the current index"), + OPT_BOOLEAN(0, "cached", &cached, + "apply a patch without touching the working tree"), + OPT_BOOLEAN(0, "apply", &force_apply, + "also apply the patch (use with --stat/--summary/--check)"), + OPT_STRING(0, "build-fake-ancestor", &fake_ancestor, "file", + "build a temporary index based on embedded index information"), + { OPTION_CALLBACK, 'z', NULL, NULL, NULL, + "paths are separated with NUL character", + PARSE_OPT_NOARG, option_parse_z }, + OPT_INTEGER('C', NULL, &p_context, + "ensure at least <n> lines of context match"), + { OPTION_CALLBACK, 0, "whitespace", &whitespace_option, "action", + "detect new or modified lines that have whitespace errors", + 0, option_parse_whitespace }, + OPT_BOOLEAN('R', "reverse", &apply_in_reverse, + "apply the patch in reverse"), + OPT_BOOLEAN(0, "unidiff-zero", &unidiff_zero, + "don't expect at least one line of context"), + OPT_BOOLEAN(0, "reject", &apply_with_reject, + "leave the rejected hunks in corresponding *.rej files"), + OPT__VERBOSE(&apply_verbosely), + OPT_BIT(0, "inaccurate-eof", &options, + "tolerate incorrectly detected missing new-line at the end of file", + INACCURATE_EOF), + OPT_BIT(0, "recount", &options, + "do not trust the line counts in the hunk headers", + RECOUNT), + { OPTION_CALLBACK, 0, "directory", NULL, "root", + "prepend <root> to all filenames", + 0, option_parse_directory }, + OPT_END() + }; + prefix = setup_git_directory_gently(&is_not_gitdir); prefix_length = prefix ? strlen(prefix) : 0; git_config(git_apply_config, NULL); if (apply_default_whitespace) parse_whitespace_option(apply_default_whitespace); - for (i = 1; i < argc; i++) { + argc = parse_options(argc, argv, builtin_apply_options, + apply_usage, 0); + if (apply_with_reject) + apply = apply_verbosely = 1; + if (!force_apply && (diffstat || numstat || summary || check || fake_ancestor)) + apply = 0; + if (check_index && is_not_gitdir) + die("--index outside a repository"); + if (cached) { + if (is_not_gitdir) + die("--cached outside a repository"); + check_index = 1; + } + for (i = 0; i < argc; i++) { const char *arg = argv[i]; - char *end; int fd; if (!strcmp(arg, "-")) { errs |= apply_patch(0, "<stdin>", options); read_stdin = 0; continue; - } - if (!prefixcmp(arg, "--exclude=")) { - add_name_limit(arg + 10, 1); - continue; - } - if (!prefixcmp(arg, "--include=")) { - add_name_limit(arg + 10, 0); - has_include = 1; - continue; - } - if (!prefixcmp(arg, "-p")) { - p_value = atoi(arg + 2); - p_value_known = 1; - continue; - } - if (!strcmp(arg, "--no-add")) { - no_add = 1; - continue; - } - if (!strcmp(arg, "--stat")) { - apply = 0; - diffstat = 1; - continue; - } - if (!strcmp(arg, "--allow-binary-replacement") || - !strcmp(arg, "--binary")) { - continue; /* now no-op */ - } - if (!strcmp(arg, "--numstat")) { - apply = 0; - numstat = 1; - continue; - } - if (!strcmp(arg, "--summary")) { - apply = 0; - summary = 1; - continue; - } - if (!strcmp(arg, "--check")) { - apply = 0; - check = 1; - continue; - } - if (!strcmp(arg, "--index")) { - if (is_not_gitdir) - die("--index outside a repository"); - check_index = 1; - continue; - } - if (!strcmp(arg, "--cached")) { - if (is_not_gitdir) - die("--cached outside a repository"); - check_index = 1; - cached = 1; - continue; - } - if (!strcmp(arg, "--apply")) { - apply = 1; - continue; - } - if (!strcmp(arg, "--build-fake-ancestor")) { - apply = 0; - if (++i >= argc) - die ("need a filename"); - fake_ancestor = argv[i]; - continue; - } - if (!strcmp(arg, "-z")) { - line_termination = 0; - continue; - } - if (!prefixcmp(arg, "-C")) { - p_context = strtoul(arg + 2, &end, 0); - if (*end != '\0') - die("unrecognized context count '%s'", arg + 2); - continue; - } - if (!prefixcmp(arg, "--whitespace=")) { - whitespace_option = arg + 13; - parse_whitespace_option(arg + 13); - continue; - } - if (!strcmp(arg, "-R") || !strcmp(arg, "--reverse")) { - apply_in_reverse = 1; - continue; - } - if (!strcmp(arg, "--unidiff-zero")) { - unidiff_zero = 1; - continue; - } - if (!strcmp(arg, "--reject")) { - apply = apply_with_reject = apply_verbosely = 1; - continue; - } - if (!strcmp(arg, "-v") || !strcmp(arg, "--verbose")) { - apply_verbosely = 1; - continue; - } - if (!strcmp(arg, "--inaccurate-eof")) { - options |= INACCURATE_EOF; - continue; - } - if (!strcmp(arg, "--recount")) { - options |= RECOUNT; - continue; - } - if (!prefixcmp(arg, "--directory=")) { - arg += strlen("--directory="); - root_len = strlen(arg); - if (root_len && arg[root_len - 1] != '/') { - char *new_root; - root = new_root = xmalloc(root_len + 2); - strcpy(new_root, arg); - strcpy(new_root + root_len++, "/"); - } else - root = arg; - continue; - } - if (0 < prefix_length) + } else if (0 < prefix_length) arg = prefix_filename(prefix, prefix_length, arg); fd = open(arg, O_RDONLY); diff --git a/builtin-branch.c b/builtin-branch.c index 02fa38fd3..56a1971d6 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -193,21 +193,6 @@ struct ref_list { int kinds; }; -static int has_commit(struct commit *commit, struct commit_list *with_commit) -{ - if (!with_commit) - return 1; - while (with_commit) { - struct commit *other; - - other = with_commit->item; - with_commit = with_commit->next; - if (in_merge_bases(other, &commit, 1)) - return 1; - } - return 0; -} - static int append_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct ref_list *ref_list = (struct ref_list*)(cb_data); @@ -231,7 +216,7 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags, return error("branch '%s' does not point at a commit", refname); /* Filter with with_commit if specified */ - if (!has_commit(commit, ref_list->with_commit)) + if (!is_descendant_of(commit, ref_list->with_commit)) return 0; /* Don't add types the caller doesn't want */ @@ -401,7 +386,8 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp); detached = (detached && (kinds & REF_LOCAL_BRANCH)); - if (detached && head_commit && has_commit(head_commit, with_commit)) { + if (detached && head_commit && + is_descendant_of(head_commit, with_commit)) { struct ref_item item; item.name = xstrdup("(no branch)"); item.kind = REF_LOCAL_BRANCH; @@ -466,22 +452,6 @@ static void rename_branch(const char *oldname, const char *newname, int force) strbuf_release(&newsection); } -static int opt_parse_with_commit(const struct option *opt, const char *arg, int unset) -{ - unsigned char sha1[20]; - struct commit *commit; - - if (!arg) - return -1; - if (get_sha1(arg, sha1)) - die("malformed object name %s", arg); - commit = lookup_commit_reference(sha1); - if (!commit) - die("no such commit %s", arg); - commit_list_insert(commit, opt->value); - return 0; -} - static int opt_parse_merge_filter(const struct option *opt, const char *arg, int unset) { merge_filter = ((opt->long_name[0] == 'n') @@ -517,13 +487,13 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPTION_CALLBACK, 0, "contains", &with_commit, "commit", "print only branches that contain the commit", PARSE_OPT_LASTARG_DEFAULT, - opt_parse_with_commit, (intptr_t)"HEAD", + parse_opt_with_commit, (intptr_t)"HEAD", }, { OPTION_CALLBACK, 0, "with", &with_commit, "commit", "print only branches that contain the commit", PARSE_OPT_HIDDEN | PARSE_OPT_LASTARG_DEFAULT, - opt_parse_with_commit, (intptr_t) "HEAD", + parse_opt_with_commit, (intptr_t) "HEAD", }, OPT__ABBREV(&abbrev), diff --git a/builtin-cat-file.c b/builtin-cat-file.c index 30d00a666..8fad19dae 100644 --- a/builtin-cat-file.c +++ b/builtin-cat-file.c @@ -137,7 +137,7 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name) break; default: - die("git cat-file: unknown option: %s\n", exp_type); + die("git cat-file: unknown option: %s", exp_type); } if (!buf) diff --git a/builtin-checkout.c b/builtin-checkout.c index b5dd9c07b..20b34ce6e 100644 --- a/builtin-checkout.c +++ b/builtin-checkout.c @@ -38,23 +38,13 @@ struct checkout_opts { static int post_checkout_hook(struct commit *old, struct commit *new, int changed) { - struct child_process proc; - const char *name = git_path("hooks/post-checkout"); - const char *argv[5]; + return run_hook(NULL, "post-checkout", + sha1_to_hex(old ? old->object.sha1 : null_sha1), + sha1_to_hex(new ? new->object.sha1 : null_sha1), + changed ? "1" : "0", NULL); + /* "new" can be NULL when checking out from the index before + a commit exists. */ - if (access(name, X_OK) < 0) - return 0; - - memset(&proc, 0, sizeof(proc)); - argv[0] = name; - argv[1] = xstrdup(sha1_to_hex(old ? old->object.sha1 : null_sha1)); - argv[2] = xstrdup(sha1_to_hex(new->object.sha1)); - argv[3] = changed ? "1" : "0"; - argv[4] = NULL; - proc.argv = argv; - proc.no_stdin = 1; - proc.stdout_to_stderr = 1; - return run_command(&proc); } static int update_some(const unsigned char *sha1, const char *base, int baselen, @@ -240,7 +230,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec, for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; - pathspec_match(pathspec, ps_matched, ce->name, 0); + match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, ps_matched); } if (report_path_error(ps_matched, pathspec, 0)) @@ -249,7 +239,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec, /* Any unmerged paths? */ for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; - if (pathspec_match(pathspec, NULL, ce->name, 0)) { + if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) { if (!ce_stage(ce)) continue; if (opts->force) { @@ -274,7 +264,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec, state.refresh_cache = 1; for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; - if (pathspec_match(pathspec, NULL, ce->name, 0)) { + if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) { if (!ce_stage(ce)) { errs |= checkout_entry(ce, &state, NULL); continue; @@ -361,8 +351,16 @@ struct branch_info { static void setup_branch_path(struct branch_info *branch) { struct strbuf buf = STRBUF_INIT; - strbuf_addstr(&buf, "refs/heads/"); - strbuf_addstr(&buf, branch->name); + int ret; + + if ((ret = interpret_nth_last_branch(branch->name, &buf)) + && ret == strlen(branch->name)) { + branch->name = xstrdup(buf.buf); + strbuf_splice(&buf, 0, 0, "refs/heads/", 11); + } else { + strbuf_addstr(&buf, "refs/heads/"); + strbuf_addstr(&buf, branch->name); + } branch->path = strbuf_detach(&buf, NULL); } @@ -671,6 +669,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) arg = argv[0]; has_dash_dash = (argc > 1) && !strcmp(argv[1], "--"); + if (!strcmp(arg, "-")) + arg = "@{-1}"; + if (get_sha1(arg, rev)) { if (has_dash_dash) /* case (1) */ die("invalid reference: %s", arg); diff --git a/builtin-clone.c b/builtin-clone.c index 2feac9c5c..f73029e2b 100644 --- a/builtin-clone.c +++ b/builtin-clone.c @@ -19,6 +19,7 @@ #include "strbuf.h" #include "dir.h" #include "pack-refs.h" +#include "sigchain.h" /* * Overall FIXMEs: @@ -192,15 +193,15 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest) dir = opendir(src->buf); if (!dir) - die("failed to open %s\n", src->buf); + die("failed to open %s", src->buf); if (mkdir(dest->buf, 0777)) { if (errno != EEXIST) - die("failed to create directory %s\n", dest->buf); + die("failed to create directory %s", dest->buf); else if (stat(dest->buf, &buf)) - die("failed to stat %s\n", dest->buf); + die("failed to stat %s", dest->buf); else if (!S_ISDIR(buf.st_mode)) - die("%s exists and is not a directory\n", dest->buf); + die("%s exists and is not a directory", dest->buf); } strbuf_addch(src, '/'); @@ -224,16 +225,16 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest) } if (unlink(dest->buf) && errno != ENOENT) - die("failed to unlink %s\n", dest->buf); + die("failed to unlink %s", dest->buf); if (!option_no_hardlinks) { if (!link(src->buf, dest->buf)) continue; if (option_local) - die("failed to create link %s\n", dest->buf); + die("failed to create link %s", dest->buf); option_no_hardlinks = 1; } if (copy_file(dest->buf, src->buf, 0666)) - die("failed to copy file to %s\n", dest->buf); + die("failed to copy file to %s", dest->buf); } closedir(dir); } @@ -288,7 +289,7 @@ static void remove_junk(void) static void remove_junk_on_signal(int signo) { remove_junk(); - signal(SIGINT, SIG_DFL); + sigchain_pop(signo); raise(signo); } @@ -357,6 +358,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) struct stat buf; const char *repo_name, *repo, *work_tree, *git_dir; char *path, *dir; + int dest_exists; const struct ref *refs, *head_points_at, *remote_head, *mapped_refs; struct strbuf key = STRBUF_INIT, value = STRBUF_INIT; struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; @@ -406,8 +408,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) dir = guess_dir_name(repo_name, is_bundle, option_bare); strip_trailing_slashes(dir); - if (!stat(dir, &buf)) - die("destination directory '%s' already exists.", dir); + dest_exists = !stat(dir, &buf); + if (dest_exists && !is_empty_dir(dir)) + die("destination path '%s' already exists and is not " + "an empty directory.", dir); strbuf_addf(&reflog_msg, "clone: from %s", repo); @@ -431,14 +435,14 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (safe_create_leading_directories_const(work_tree) < 0) die("could not create leading directories of '%s': %s", work_tree, strerror(errno)); - if (mkdir(work_tree, 0755)) + if (!dest_exists && mkdir(work_tree, 0755)) die("could not create work tree dir '%s': %s.", work_tree, strerror(errno)); set_git_work_tree(work_tree); } junk_git_dir = git_dir; atexit(remove_junk); - signal(SIGINT, remove_junk_on_signal); + sigchain_push_common(remove_junk_on_signal); setenv(CONFIG_ENVIRONMENT, xstrdup(mkpath("%s/config", git_dir)), 1); @@ -519,14 +523,23 @@ int cmd_clone(int argc, const char **argv, const char *prefix) option_upload_pack); refs = transport_get_remote_refs(transport); - transport_fetch_refs(transport, refs); + if(refs) + transport_fetch_refs(transport, refs); } - clear_extra_refs(); + if (refs) { + clear_extra_refs(); - mapped_refs = write_remote_refs(refs, &refspec, reflog_msg.buf); + mapped_refs = write_remote_refs(refs, &refspec, reflog_msg.buf); - head_points_at = locate_head(refs, mapped_refs, &remote_head); + head_points_at = locate_head(refs, mapped_refs, &remote_head); + } + else { + warning("You appear to have cloned an empty repository."); + head_points_at = NULL; + remote_head = NULL; + option_no_checkout = 1; + } if (head_points_at) { /* Local default branch link */ diff --git a/builtin-commit.c b/builtin-commit.c index 977ea09c5..d6a3a6203 100644 --- a/builtin-commit.c +++ b/builtin-commit.c @@ -166,7 +166,7 @@ static int list_paths(struct string_list *list, const char *with_tree, struct cache_entry *ce = active_cache[i]; if (ce->ce_flags & CE_UPDATE) continue; - if (!pathspec_match(pattern, m, ce->name, 0)) + if (!match_pathspec(pattern, ce->name, ce_namelen(ce), 0, m)) continue; string_list_insert(ce->name, list); } @@ -361,40 +361,6 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int return s.commitable; } -static int run_hook(const char *index_file, const char *name, ...) -{ - struct child_process hook; - const char *argv[10], *env[2]; - char index[PATH_MAX]; - va_list args; - int i; - - va_start(args, name); - argv[0] = git_path("hooks/%s", name); - i = 0; - do { - if (++i >= ARRAY_SIZE(argv)) - die ("run_hook(): too many arguments"); - argv[i] = va_arg(args, const char *); - } while (argv[i]); - va_end(args); - - snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); - env[0] = index; - env[1] = NULL; - - if (access(argv[0], X_OK) < 0) - return 0; - - memset(&hook, 0, sizeof(hook)); - hook.argv = argv; - hook.no_stdin = 1; - hook.stdout_to_stderr = 1; - hook.env = env; - - return run_command(&hook); -} - static int is_a_merge(const unsigned char *sha1) { struct commit *commit = lookup_commit(sha1); @@ -865,6 +831,9 @@ int cmd_status(int argc, const char **argv, const char *prefix) if (wt_status_use_color == -1) wt_status_use_color = git_use_color_default; + if (diff_use_color_default == -1) + diff_use_color_default = git_use_color_default; + argc = parse_and_validate_options(argc, argv, builtin_status_usage, prefix); index_file = prepare_index(argc, argv, prefix); @@ -880,7 +849,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1) { struct rev_info rev; struct commit *commit; - static const char *format = "format:%h: \"%s\""; + static const char *format = "format:%h] %s"; unsigned char junk_sha1[20]; const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL); @@ -907,7 +876,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1) rev.diffopt.break_opt = 0; diff_setup_done(&rev.diffopt); - printf("[%s%s]: created ", + printf("[%s%s ", !prefixcmp(head, "refs/heads/") ? head + 11 : !strcmp(head, "HEAD") ? @@ -944,6 +913,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix) git_config(git_commit_config, NULL); + if (wt_status_use_color == -1) + wt_status_use_color = git_use_color_default; + argc = parse_and_validate_options(argc, argv, builtin_commit_usage, prefix); index_file = prepare_index(argc, argv, prefix); diff --git a/builtin-count-objects.c b/builtin-count-objects.c index ab35b65b0..62fd1f096 100644 --- a/builtin-count-objects.c +++ b/builtin-count-objects.c @@ -5,6 +5,7 @@ */ #include "cache.h" +#include "dir.h" #include "builtin.h" #include "parse-options.h" @@ -21,9 +22,7 @@ static void count_objects(DIR *d, char *path, int len, int verbose, const char *cp; int bad = 0; - if ((ent->d_name[0] == '.') && - (ent->d_name[1] == 0 || - ((ent->d_name[1] == '.') && (ent->d_name[2] == 0)))) + if (is_dot_or_dotdot(ent->d_name)) continue; for (cp = ent->d_name; *cp; cp++) { int ch = *cp; diff --git a/builtin-fetch--tool.c b/builtin-fetch--tool.c index 469b07e24..29356d25d 100644 --- a/builtin-fetch--tool.c +++ b/builtin-fetch--tool.c @@ -2,6 +2,7 @@ #include "cache.h" #include "refs.h" #include "commit.h" +#include "sigchain.h" static char *get_stdin(void) { @@ -186,7 +187,7 @@ static void remove_keep(void) static void remove_keep_on_signal(int signo) { remove_keep(); - signal(SIGINT, SIG_DFL); + sigchain_pop(signo); raise(signo); } @@ -245,7 +246,7 @@ static int fetch_native_store(FILE *fp, char buffer[1024]; int err = 0; - signal(SIGINT, remove_keep_on_signal); + sigchain_push_common(remove_keep_on_signal); atexit(remove_keep); while (fgets(buffer, sizeof(buffer), stdin)) { diff --git a/builtin-fetch.c b/builtin-fetch.c index 7568163af..1e4a3d9c5 100644 --- a/builtin-fetch.c +++ b/builtin-fetch.c @@ -10,6 +10,7 @@ #include "transport.h" #include "run-command.h" #include "parse-options.h" +#include "sigchain.h" static const char * const builtin_fetch_usage[] = { "git fetch [options] [<repository> <refspec>...]", @@ -58,7 +59,7 @@ static void unlock_pack(void) static void unlock_pack_on_signal(int signo) { unlock_pack(); - signal(SIGINT, SIG_DFL); + sigchain_pop(signo); raise(signo); } @@ -607,7 +608,7 @@ static void set_option(const char *name, const char *value) { int r = transport_set_option(transport, name, value); if (r < 0) - die("Option \"%s\" value \"%s\" is not valid for %s\n", + die("Option \"%s\" value \"%s\" is not valid for %s", name, value, transport->url); if (r > 0) warning("Option \"%s\" is ignored for %s\n", @@ -672,7 +673,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) ref_nr = j; } - signal(SIGINT, unlock_pack_on_signal); + sigchain_push_common(unlock_pack_on_signal); atexit(unlock_pack); exit_code = do_fetch(transport, parse_fetch_refspec(ref_nr, refs), ref_nr); diff --git a/builtin-fsck.c b/builtin-fsck.c index 5c4c77ada..aecc8280a 100644 --- a/builtin-fsck.c +++ b/builtin-fsck.c @@ -10,6 +10,7 @@ #include "tree-walk.h" #include "fsck.h" #include "parse-options.h" +#include "dir.h" #define REACHABLE 0x0001 #define SEEN 0x0002 @@ -395,19 +396,12 @@ static void fsck_dir(int i, char *path) while ((de = readdir(dir)) != NULL) { char name[100]; unsigned char sha1[20]; - int len = strlen(de->d_name); - switch (len) { - case 2: - if (de->d_name[1] != '.') - break; - case 1: - if (de->d_name[0] != '.') - break; + if (is_dot_or_dotdot(de->d_name)) continue; - case 38: + if (strlen(de->d_name) == 38) { sprintf(name, "%02x", i); - memcpy(name+2, de->d_name, len+1); + memcpy(name+2, de->d_name, 39); if (get_sha1_hex(name, sha1) < 0) break; add_sha1_list(sha1, DIRENT_SORT_HINT(de)); diff --git a/builtin-gc.c b/builtin-gc.c index 781df601c..a2014388d 100644 --- a/builtin-gc.c +++ b/builtin-gc.c @@ -144,34 +144,6 @@ static int too_many_packs(void) return gc_auto_pack_limit <= cnt; } -static int run_hook(void) -{ - const char *argv[2]; - struct child_process hook; - int ret; - - argv[0] = git_path("hooks/pre-auto-gc"); - argv[1] = NULL; - - if (access(argv[0], X_OK) < 0) - return 0; - - memset(&hook, 0, sizeof(hook)); - hook.argv = argv; - hook.no_stdin = 1; - hook.stdout_to_stderr = 1; - - ret = start_command(&hook); - if (ret) { - warning("Could not spawn %s", argv[0]); - return ret; - } - ret = finish_command(&hook); - if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL) - warning("%s exited due to uncaught signal", argv[0]); - return ret; -} - static int need_to_gc(void) { /* @@ -188,11 +160,13 @@ static int need_to_gc(void) * there is no need. */ if (too_many_packs()) - append_option(argv_repack, "-A", MAX_ADD); + append_option(argv_repack, + !strcmp(prune_expire, "now") ? "-a" : "-A", + MAX_ADD); else if (!too_many_loose_objects()) return 0; - if (run_hook()) + if (run_hook(NULL, "pre-auto-gc", NULL)) return 0; return 1; } @@ -243,7 +217,9 @@ int cmd_gc(int argc, const char **argv, const char *prefix) "run \"git gc\" manually. See " "\"git help gc\" for more information.\n"); } else - append_option(argv_repack, "-A", MAX_ADD); + append_option(argv_repack, + !strcmp(prune_expire, "now") ? "-a" : "-A", + MAX_ADD); if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD)) return error(FAILED_RUN, argv_pack_refs[0]); diff --git a/builtin-grep.c b/builtin-grep.c index 624f86e28..bebf15cd6 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -20,6 +20,8 @@ #endif #endif +static int builtin_grep; + /* * git grep pathspecs are somewhat different from diff-tree pathspecs; * pathname wildcards are allowed. @@ -389,7 +391,7 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached) * we grep through the checked-out files. It tends to * be a lot more optimized */ - if (!cached) { + if (!cached && !builtin_grep) { hit = external_grep(opt, paths, cached); if (hit >= 0) return hit; @@ -402,7 +404,12 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached) continue; if (!pathspec_matches(paths, ce->name)) continue; - if (cached) { + /* + * If CE_VALID is on, we assume worktree file and its cache entry + * are identical, even if worktree file has been modified, so use + * cache version instead + */ + if (cached || (ce->ce_flags & CE_VALID)) { if (ce_stage(ce)) continue; hit |= grep_sha1(opt, ce->sha1, ce->name, 0); @@ -545,6 +552,10 @@ int cmd_grep(int argc, const char **argv, const char *prefix) cached = 1; continue; } + if (!strcmp("--no-ext-grep", arg)) { + builtin_grep = 1; + continue; + } if (!strcmp("-a", arg) || !strcmp("--text", arg)) { opt.binary = GREP_BINARY_TEXT; diff --git a/builtin-help.c b/builtin-help.c index f076efa92..9b57a7461 100644 --- a/builtin-help.c +++ b/builtin-help.c @@ -329,7 +329,7 @@ static void setup_man_path(void) * old_path, the ':' at the end will let 'man' to try * system-wide paths after ours to find the manual page. If * there is old_path, we need ':' as delimiter. */ - strbuf_addstr(&new_path, GIT_MAN_PATH); + strbuf_addstr(&new_path, system_path(GIT_MAN_PATH)); strbuf_addch(&new_path, ':'); if (old_path) strbuf_addstr(&new_path, old_path); @@ -375,7 +375,7 @@ static void show_man_page(const char *git_cmd) static void show_info_page(const char *git_cmd) { const char *page = cmd_to_page(git_cmd); - setenv("INFOPATH", GIT_INFO_PATH, 1); + setenv("INFOPATH", system_path(GIT_INFO_PATH), 1); execlp("info", "info", "gitman", page, NULL); } diff --git a/builtin-init-db.c b/builtin-init-db.c index d30c3fe2c..ee3911f8e 100644 --- a/builtin-init-db.c +++ b/builtin-init-db.c @@ -29,7 +29,7 @@ static void safe_create_dir(const char *dir, int share) } } else if (share && adjust_shared_perm(dir)) - die("Could not make %s writable by group\n", dir); + die("Could not make %s writable by group", dir); } static void copy_templates_1(char *path, int baselen, diff --git a/builtin-log.c b/builtin-log.c index 4420b4fd4..2ae39afcc 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -16,6 +16,7 @@ #include "patch-ids.h" #include "run-command.h" #include "shortlog.h" +#include "remote.h" /* Set a default date-time format for git log ("log.date" config variable) */ static const char *default_date_mode = NULL; @@ -249,22 +250,13 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix) static void show_tagger(char *buf, int len, struct rev_info *rev) { - char *email_end, *p; - unsigned long date; - int tz; + struct strbuf out = STRBUF_INIT; - email_end = memchr(buf, '>', len); - if (!email_end) - return; - p = ++email_end; - while (isspace(*p)) - p++; - date = strtoul(p, &p, 10); - while (isspace(*p)) - p++; - tz = (int)strtol(p, NULL, 10); - printf("Tagger: %.*s\nDate: %s\n", (int)(email_end - buf), buf, - show_date(date, tz, rev->date_mode)); + pp_user_info("Tagger", rev->commit_format, &out, buf, rev->date_mode, + git_log_output_encoding ? + git_log_output_encoding: git_commit_encoding); + printf("%s\n", out.buf); + strbuf_release(&out); } static int show_object(const unsigned char *sha1, int show_tag_object, @@ -553,6 +545,7 @@ static const char *get_oneline_for_filename(struct commit *commit, static FILE *realstdout = NULL; static const char *output_directory = NULL; +static int outdir_offset; static int reopen_stdout(const char *oneline, int nr, int total) { @@ -579,7 +572,7 @@ static int reopen_stdout(const char *oneline, int nr, int total) strcpy(filename + len, fmt_patch_suffix); } - fprintf(realstdout, "%s\n", filename); + fprintf(realstdout, "%s\n", filename + outdir_offset); if (freopen(filename, "w", stdout) == NULL) return error("Cannot open patch file %s",filename); @@ -740,6 +733,27 @@ static const char *clean_message_id(const char *msg_id) return xmemdupz(a, z - a); } +static const char *set_outdir(const char *prefix, const char *output_directory) +{ + if (output_directory && is_absolute_path(output_directory)) + return output_directory; + + if (!prefix || !*prefix) { + if (output_directory) + return output_directory; + /* The user did not explicitly ask for "./" */ + outdir_offset = 2; + return "./"; + } + + outdir_offset = strlen(prefix); + if (!output_directory) + return prefix; + + return xstrdup(prefix_filename(prefix, outdir_offset, + output_directory)); +} + int cmd_format_patch(int argc, const char **argv, const char *prefix) { struct commit *commit; @@ -824,7 +838,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) committer = git_committer_info(IDENT_ERROR_ON_NO_NAME); endpos = strchr(committer, '>'); if (!endpos) - die("bogus committer info %s\n", committer); + die("bogus committer info %s", committer); add_signoff = xmemdupz(committer, endpos - committer + 1); } else if (!strcmp(argv[i], "--attach")) { @@ -917,8 +931,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff) DIFF_OPT_SET(&rev.diffopt, BINARY); - if (!output_directory && !use_stdout) - output_directory = prefix; + if (!use_stdout) + output_directory = set_outdir(prefix, output_directory); if (output_directory) { if (use_stdout) @@ -1077,13 +1091,14 @@ static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) } static const char cherry_usage[] = -"git cherry [-v] <upstream> [<head>] [<limit>]"; +"git cherry [-v] [<upstream> [<head> [<limit>]]]"; int cmd_cherry(int argc, const char **argv, const char *prefix) { struct rev_info revs; struct patch_ids ids; struct commit *commit; struct commit_list *list = NULL; + struct branch *current_branch; const char *upstream; const char *head = "HEAD"; const char *limit = NULL; @@ -1106,7 +1121,17 @@ int cmd_cherry(int argc, const char **argv, const char *prefix) upstream = argv[1]; break; default: - usage(cherry_usage); + current_branch = branch_get(NULL); + if (!current_branch || !current_branch->merge + || !current_branch->merge[0] + || !current_branch->merge[0]->dst) { + fprintf(stderr, "Could not find a tracked" + " remote branch, please" + " specify <upstream> manually.\n"); + usage(cherry_usage); + } + + upstream = current_branch->merge[0]->dst; } init_revisions(&revs, prefix); diff --git a/builtin-ls-files.c b/builtin-ls-files.c index f72eb8547..343403129 100644 --- a/builtin-ls-files.c +++ b/builtin-ls-files.c @@ -36,42 +36,6 @@ static const char *tag_other = ""; static const char *tag_killed = ""; static const char *tag_modified = ""; - -/* - * Match a pathspec against a filename. The first "skiplen" characters - * are the common prefix - */ -int pathspec_match(const char **spec, char *ps_matched, - const char *filename, int skiplen) -{ - const char *m; - - while ((m = *spec++) != NULL) { - int matchlen = strlen(m + skiplen); - - if (!matchlen) - goto matched; - if (!strncmp(m + skiplen, filename + skiplen, matchlen)) { - if (m[skiplen + matchlen - 1] == '/') - goto matched; - switch (filename[skiplen + matchlen]) { - case '/': case '\0': - goto matched; - } - } - if (!fnmatch(m + skiplen, filename + skiplen, 0)) - goto matched; - if (ps_matched) - ps_matched++; - continue; - matched: - if (ps_matched) - *ps_matched = 1; - return 1; - } - return 0; -} - static void show_dir_entry(const char *tag, struct dir_entry *ent) { int len = prefix_len; @@ -80,7 +44,7 @@ static void show_dir_entry(const char *tag, struct dir_entry *ent) if (len >= ent->len) die("git ls-files: internal error - directory entry not superset of prefix"); - if (pathspec && !pathspec_match(pathspec, ps_matched, ent->name, len)) + if (!match_pathspec(pathspec, ent->name, ent->len, len, ps_matched)) return; fputs(tag, stdout); @@ -156,7 +120,7 @@ static void show_ce_entry(const char *tag, struct cache_entry *ce) if (len >= ce_namelen(ce)) die("git ls-files: internal error - cache entry not superset of prefix"); - if (pathspec && !pathspec_match(pathspec, ps_matched, ce->name, len)) + if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), len, ps_matched)) return; if (tag && *tag && show_valid_bit && diff --git a/builtin-ls-tree.c b/builtin-ls-tree.c index cb6171768..5b63e6ead 100644 --- a/builtin-ls-tree.c +++ b/builtin-ls-tree.c @@ -23,7 +23,7 @@ static int chomp_prefix; static const char *ls_tree_prefix; static const char ls_tree_usage[] = - "git ls-tree [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]"; + "git ls-tree [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--full-tree] [--abbrev[=<n>]] <tree-ish> [path...]"; static int show_recursive(const char *base, int baselen, const char *pathname) { @@ -156,6 +156,11 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) chomp_prefix = 0; break; } + if (!strcmp(argv[1]+2, "full-tree")) { + ls_tree_prefix = prefix = NULL; + chomp_prefix = 0; + break; + } if (!prefixcmp(argv[1]+2, "abbrev=")) { abbrev = strtoul(argv[1]+9, NULL, 10); if (abbrev && abbrev < MINIMUM_ABBREV) diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c index e890f7a6d..f7c8c08b3 100644 --- a/builtin-mailinfo.c +++ b/builtin-mailinfo.c @@ -494,7 +494,7 @@ static void convert_to_utf8(struct strbuf *line, const char *charset) return; out = reencode_string(line->buf, metainfo_charset, charset); if (!out) - die("cannot convert from %s to %s\n", + die("cannot convert from %s to %s", charset, metainfo_charset); strbuf_attach(line, out, strlen(out), strlen(out)); } diff --git a/builtin-merge-recursive.c b/builtin-merge-recursive.c index 6b534c1a6..703045bfc 100644 --- a/builtin-merge-recursive.c +++ b/builtin-merge-recursive.c @@ -33,7 +33,7 @@ int cmd_merge_recursive(int argc, const char **argv, const char *prefix) } if (argc < 4) - die("Usage: %s <base>... -- <head> <remote> ...\n", argv[0]); + die("Usage: %s <base>... -- <head> <remote> ...", argv[0]); for (i = 1; i < argc; ++i) { if (!strcmp(argv[i], "--")) diff --git a/builtin-merge.c b/builtin-merge.c index cf869751b..e4555b019 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -300,35 +300,6 @@ static void squash_message(void) strbuf_release(&out); } -static int run_hook(const char *name) -{ - struct child_process hook; - const char *argv[3], *env[2]; - char index[PATH_MAX]; - - argv[0] = git_path("hooks/%s", name); - if (access(argv[0], X_OK) < 0) - return 0; - - snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", get_index_file()); - env[0] = index; - env[1] = NULL; - - if (squash) - argv[1] = "1"; - else - argv[1] = "0"; - argv[2] = NULL; - - memset(&hook, 0, sizeof(hook)); - hook.argv = argv; - hook.no_stdin = 1; - hook.stdout_to_stderr = 1; - hook.env = env; - - return run_command(&hook); -} - static void finish(const unsigned char *new_head, const char *msg) { struct strbuf reflog_message = STRBUF_INIT; @@ -374,7 +345,7 @@ static void finish(const unsigned char *new_head, const char *msg) } /* Run a post-merge hook */ - run_hook("post-merge"); + run_hook(NULL, "post-merge", squash ? "1" : "0", NULL); strbuf_release(&reflog_message); } diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index cedef52fd..cb51916fe 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -78,7 +78,7 @@ static int progress = 1; static int window = 10; static uint32_t pack_size_limit, pack_size_limit_cfg; static int depth = 50; -static int delta_search_threads = 1; +static int delta_search_threads; static int pack_to_stdout; static int num_preferred_base; static struct progress *progress_state; @@ -195,16 +195,16 @@ static int check_pack_inflate(struct packed_git *p, int st; memset(&stream, 0, sizeof(stream)); - inflateInit(&stream); + git_inflate_init(&stream); do { in = use_pack(p, w_curs, offset, &stream.avail_in); stream.next_in = in; stream.next_out = fakebuf; stream.avail_out = sizeof(fakebuf); - st = inflate(&stream, Z_FINISH); + st = git_inflate(&stream, Z_FINISH); offset += stream.next_in - in; } while (st == Z_OK || st == Z_BUF_ERROR); - inflateEnd(&stream); + git_inflate_end(&stream); return (st == Z_STREAM_END && stream.total_out == expect && stream.total_in == len) ? 0 : -1; @@ -1612,11 +1612,18 @@ static void ll_find_deltas(struct object_entry **list, unsigned list_size, find_deltas(list, &list_size, window, depth, processed); return; } + if (progress > pack_to_stdout) + fprintf(stderr, "Delta compression using %d threads.\n", + delta_search_threads); /* Partition the work amongst work threads. */ for (i = 0; i < delta_search_threads; i++) { unsigned sub_size = list_size / (delta_search_threads - i); + /* don't use too small segments or no deltas will be found */ + if (sub_size < 2*window && i+1 < delta_search_threads) + sub_size = 0; + p[i].window = window; p[i].depth = depth; p[i].processed = processed; diff --git a/builtin-prune.c b/builtin-prune.c index 7b4ec80e6..545e9c1f9 100644 --- a/builtin-prune.c +++ b/builtin-prune.c @@ -5,6 +5,7 @@ #include "builtin.h" #include "reachable.h" #include "parse-options.h" +#include "dir.h" static const char * const prune_usage[] = { "git prune [-n] [-v] [--expire <time>] [--] [<head>...]", @@ -61,19 +62,12 @@ static int prune_dir(int i, char *path) while ((de = readdir(dir)) != NULL) { char name[100]; unsigned char sha1[20]; - int len = strlen(de->d_name); - switch (len) { - case 2: - if (de->d_name[1] != '.') - break; - case 1: - if (de->d_name[0] != '.') - break; + if (is_dot_or_dotdot(de->d_name)) continue; - case 38: + if (strlen(de->d_name) == 38) { sprintf(name, "%02x", i); - memcpy(name+2, de->d_name, len+1); + memcpy(name+2, de->d_name, 39); if (get_sha1_hex(name, sha1) < 0) break; diff --git a/builtin-receive-pack.c b/builtin-receive-pack.c index db67c3162..6564a97ce 100644 --- a/builtin-receive-pack.c +++ b/builtin-receive-pack.c @@ -136,7 +136,7 @@ static int hook_status(int code, const char *hook_name) } } -static int run_hook(const char *hook_name) +static int run_receive_hook(const char *hook_name) { static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4]; struct command *cmd; @@ -358,7 +358,7 @@ static void execute_commands(const char *unpacker_error) return; } - if (run_hook(pre_receive_hook)) { + if (run_receive_hook(pre_receive_hook)) { while (cmd) { cmd->error_string = "pre-receive hook declined"; cmd = cmd->next; @@ -627,7 +627,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) unlink(pack_lockfile); if (report_status) report(unpack_status); - run_hook(post_receive_hook); + run_receive_hook(post_receive_hook); run_update_post_hook(commands); } return 0; diff --git a/builtin-rerere.c b/builtin-rerere.c index d4dec6b71..bd8fc77a7 100644 --- a/builtin-rerere.c +++ b/builtin-rerere.c @@ -1,5 +1,6 @@ #include "builtin.h" #include "cache.h" +#include "dir.h" #include "string-list.h" #include "rerere.h" #include "xdiff/xdiff.h" @@ -59,17 +60,15 @@ static void garbage_collect(struct string_list *rr) git_config(git_rerere_gc_config, NULL); dir = opendir(git_path("rr-cache")); while ((e = readdir(dir))) { - const char *name = e->d_name; - if (name[0] == '.' && - (name[1] == '\0' || (name[1] == '.' && name[2] == '\0'))) + if (is_dot_or_dotdot(e->d_name)) continue; - then = rerere_created_at(name); + then = rerere_created_at(e->d_name); if (!then) continue; - cutoff = (has_resolution(name) + cutoff = (has_resolution(e->d_name) ? cutoff_resolve : cutoff_noresolve); if (then < now - cutoff * 86400) - string_list_append(name, &to_remove); + string_list_append(e->d_name, &to_remove); } for (i = 0; i < to_remove.nr; i++) unlink_rr_item(to_remove.items[i].string); diff --git a/builtin-reset.c b/builtin-reset.c index 9514b77f8..c0cb915c2 100644 --- a/builtin-reset.c +++ b/builtin-reset.c @@ -20,11 +20,14 @@ #include "parse-options.h" static const char * const git_reset_usage[] = { - "git reset [--mixed | --soft | --hard] [-q] [<commit>]", + "git reset [--mixed | --soft | --hard | --merge] [-q] [<commit>]", "git reset [--mixed] <commit> [--] <paths>...", NULL }; +enum reset_type { MIXED, SOFT, HARD, MERGE, NONE }; +static const char *reset_type_names[] = { "mixed", "soft", "hard", "merge", NULL }; + static char *args_to_str(const char **argv) { char *buf = NULL; @@ -49,7 +52,7 @@ static inline int is_merge(void) return !access(git_path("MERGE_HEAD"), F_OK); } -static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int quiet) +static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet) { int i = 0; const char *args[6]; @@ -57,9 +60,17 @@ static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int qu args[i++] = "read-tree"; if (!quiet) args[i++] = "-v"; - args[i++] = "--reset"; - if (is_hard_reset) + switch (reset_type) { + case MERGE: args[i++] = "-u"; + args[i++] = "-m"; + break; + case HARD: + args[i++] = "-u"; + /* fallthrough */ + default: + args[i++] = "--reset"; + } args[i++] = sha1_to_hex(sha1); args[i] = NULL; @@ -169,9 +180,6 @@ static void prepend_reflog_action(const char *action, char *buf, size_t size) warning("Reflog action message too long: %.*s...", 50, buf); } -enum reset_type { MIXED, SOFT, HARD, NONE }; -static const char *reset_type_names[] = { "mixed", "soft", "hard", NULL }; - int cmd_reset(int argc, const char **argv, const char *prefix) { int i = 0, reset_type = NONE, update_ref_status = 0, quiet = 0; @@ -186,6 +194,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix) OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT), OPT_SET_INT(0, "hard", &reset_type, "reset HEAD, index and working tree", HARD), + OPT_SET_INT(0, "merge", &reset_type, + "reset HEAD, index and working tree", MERGE), OPT_BOOLEAN('q', NULL, &quiet, "disable showing new HEAD in hard reset and progress message"), OPT_END() @@ -266,7 +276,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (is_merge() || read_cache() < 0 || unmerged_cache()) die("Cannot do a soft reset in the middle of a merge."); } - else if (reset_index_file(sha1, (reset_type == HARD), quiet)) + else if (reset_index_file(sha1, reset_type, quiet)) die("Could not reset index file to revision '%s'.", rev); /* Any resets update HEAD to the head being switched to, diff --git a/builtin-shortlog.c b/builtin-shortlog.c index e49290687..5f9f3f09b 100644 --- a/builtin-shortlog.c +++ b/builtin-shortlog.c @@ -39,7 +39,6 @@ static void insert_one_record(struct shortlog *log, const char *dot3 = log->common_repo_prefix; char *buffer, *p; struct string_list_item *item; - struct string_list *onelines; char namebuf[1024]; size_t len; const char *eol; @@ -72,12 +71,9 @@ static void insert_one_record(struct shortlog *log, snprintf(namebuf + len, room, " %.*s", maillen, boemail); } - buffer = xstrdup(namebuf); - item = string_list_insert(buffer, &log->list); + item = string_list_insert(namebuf, &log->list); if (item->util == NULL) item->util = xcalloc(1, sizeof(struct string_list)); - else - free(buffer); /* Skip any leading whitespace, including any blank lines. */ while (*oneline && isspace(*oneline)) @@ -107,16 +103,7 @@ static void insert_one_record(struct shortlog *log, } } - onelines = item->util; - if (onelines->nr >= onelines->alloc) { - onelines->alloc = alloc_nr(onelines->nr); - onelines->items = xrealloc(onelines->items, - onelines->alloc - * sizeof(struct string_list_item)); - } - - onelines->items[onelines->nr].util = NULL; - onelines->items[onelines->nr++].string = buffer; + string_list_append(buffer, item->util); } static void read_from_stdin(struct shortlog *log) @@ -326,7 +313,7 @@ void shortlog_output(struct shortlog *log) } onelines->strdup_strings = 1; - string_list_clear(onelines, 1); + string_list_clear(onelines, 0); free(onelines); log->list.items[i].util = NULL; } diff --git a/builtin-tag.c b/builtin-tag.c index a39849989..01e73747d 100644 --- a/builtin-tag.c +++ b/builtin-tag.c @@ -26,6 +26,7 @@ static char signingkey[1000]; struct tag_filter { const char *pattern; int lines; + struct commit_list *with_commit; }; #define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----" @@ -42,6 +43,16 @@ static int show_reference(const char *refname, const unsigned char *sha1, char *buf, *sp, *eol; size_t len; + if (filter->with_commit) { + struct commit *commit; + + commit = lookup_commit_reference_gently(sha1, 1); + if (!commit) + return 0; + if (!is_descendant_of(commit, filter->with_commit)) + return 0; + } + if (!filter->lines) { printf("%s\n", refname); return 0; @@ -79,7 +90,8 @@ static int show_reference(const char *refname, const unsigned char *sha1, return 0; } -static int list_tags(const char *pattern, int lines) +static int list_tags(const char *pattern, int lines, + struct commit_list *with_commit) { struct tag_filter filter; @@ -88,6 +100,7 @@ static int list_tags(const char *pattern, int lines) filter.pattern = pattern; filter.lines = lines; + filter.with_commit = with_commit; for_each_tag_ref(show_reference, (void *) &filter); @@ -360,6 +373,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) list = 0, delete = 0, verify = 0; const char *msgfile = NULL, *keyid = NULL; struct msg_arg msg = { 0, STRBUF_INIT }; + struct commit_list *with_commit = NULL; struct option options[] = { OPT_BOOLEAN('l', NULL, &list, "list tag names"), { OPTION_INTEGER, 'n', NULL, &lines, NULL, @@ -378,6 +392,14 @@ int cmd_tag(int argc, const char **argv, const char *prefix) OPT_STRING('u', NULL, &keyid, "key-id", "use another key to sign the tag"), OPT_BOOLEAN('f', NULL, &force, "replace the tag if exists"), + + OPT_GROUP("Tag listing options"), + { + OPTION_CALLBACK, 0, "contains", &with_commit, "commit", + "print only tags that contain the commit", + PARSE_OPT_LASTARG_DEFAULT, + parse_opt_with_commit, (intptr_t)"HEAD", + }, OPT_END() }; @@ -402,9 +424,12 @@ int cmd_tag(int argc, const char **argv, const char *prefix) if (list + delete + verify > 1) usage_with_options(git_tag_usage, options); if (list) - return list_tags(argv[0], lines == -1 ? 0 : lines); + return list_tags(argv[0], lines == -1 ? 0 : lines, + with_commit); if (lines != -1) die("-n option is only allowed with -l."); + if (with_commit) + die("--contains option is only allowed with -l."); if (delete) return for_each_tag_name(argv, delete_tag); if (verify) diff --git a/builtin-unpack-objects.c b/builtin-unpack-objects.c index 47ed61067..9a773239c 100644 --- a/builtin-unpack-objects.c +++ b/builtin-unpack-objects.c @@ -99,10 +99,10 @@ static void *get_data(unsigned long size) stream.avail_out = size; stream.next_in = fill(1); stream.avail_in = len; - inflateInit(&stream); + git_inflate_init(&stream); for (;;) { - int ret = inflate(&stream, 0); + int ret = git_inflate(&stream, 0); use(len - stream.avail_in); if (stream.total_out == size && ret == Z_STREAM_END) break; @@ -118,7 +118,7 @@ static void *get_data(unsigned long size) stream.next_in = fill(1); stream.avail_in = len; } - inflateEnd(&stream); + git_inflate_end(&stream); return buf; } diff --git a/builtin-update-index.c b/builtin-update-index.c index 65d577510..560497750 100644 --- a/builtin-update-index.c +++ b/builtin-update-index.c @@ -486,7 +486,7 @@ static int unresolve_one(const char *path) static void read_head_pointers(void) { if (read_ref("HEAD", head_sha1)) - die("No HEAD -- no initial commit yet?\n"); + die("No HEAD -- no initial commit yet?"); if (read_ref("MERGE_HEAD", merge_head_sha1)) { fprintf(stderr, "Not in the middle of a merge.\n"); exit(0); @@ -167,6 +167,32 @@ int list_bundle_refs(struct bundle_header *header, int argc, const char **argv) return list_refs(&header->references, argc, argv); } +static int is_tag_in_date_range(struct object *tag, struct rev_info *revs) +{ + unsigned long size; + enum object_type type; + char *buf, *line, *lineend; + unsigned long date; + + if (revs->max_age == -1 && revs->min_age == -1) + return 1; + + buf = read_sha1_file(tag->sha1, &type, &size); + if (!buf) + return 1; + line = memmem(buf, size, "\ntagger ", 8); + if (!line++) + return 1; + lineend = memchr(line, buf + size - line, '\n'); + line = memchr(line, lineend ? lineend - line : buf + size - line, '>'); + if (!line++) + return 1; + date = strtoul(line, NULL, 10); + free(buf); + return (revs->max_age == -1 || revs->max_age < date) && + (revs->min_age == -1 || revs->min_age > date); +} + int create_bundle(struct bundle_header *header, const char *path, int argc, const char **argv) { @@ -240,6 +266,8 @@ int create_bundle(struct bundle_header *header, const char *path, return error("unrecognized argument: %s'", argv[i]); } + object_array_remove_duplicates(&revs.pending); + for (i = 0; i < revs.pending.nr; i++) { struct object_array_entry *e = revs.pending.objects + i; unsigned char sha1[20]; @@ -255,6 +283,12 @@ int create_bundle(struct bundle_header *header, const char *path, flag = 0; display_ref = (flag & REF_ISSYMREF) ? e->name : ref; + if (e->item->type == OBJ_TAG && + !is_tag_in_date_range(e->item, &revs)) { + e->item->flags |= UNINTERESTING; + continue; + } + /* * Make sure the refs we wrote out is correct; --max-count and * other limiting options could have prevented all the tips @@ -18,6 +18,10 @@ #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) #endif +void git_inflate_init(z_streamp strm); +void git_inflate_end(z_streamp strm); +int git_inflate(z_streamp strm, int flush); + #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) #define DTYPE(de) ((de)->d_type) #else @@ -631,9 +635,6 @@ extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsig extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); extern int force_object_loose(const unsigned char *sha1, time_t mtime); -/* just like read_sha1_file(), but non fatal in presence of bad objects */ -extern void *read_object(const unsigned char *sha1, enum object_type *type, unsigned long *size); - /* global flag to enable extra checks when accessing packed objects */ extern int do_check_packed_object_crc; @@ -666,6 +667,7 @@ extern int read_ref(const char *filename, unsigned char *sha1); extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *); extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); +extern int interpret_nth_last_branch(const char *str, struct strbuf *); extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); extern const char *ref_rev_parse_rules[]; @@ -720,6 +722,10 @@ struct checkout { extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); extern int has_symlink_leading_path(int len, const char *name); +extern int has_symlink_or_noent_leading_path(int len, const char *name); +extern int has_dirs_only_path(int len, const char *name, int prefix_len); +extern void invalidate_lstat_cache(int len, const char *name); +extern void clear_lstat_cache(void); extern struct alternate_object_database { struct alternate_object_database *next; @@ -936,7 +942,6 @@ extern int ws_fix_copy(char *, const char *, int, unsigned, int *); extern int ws_blank_line(const char *line, int len, unsigned ws_rule); /* ls-files */ -int pathspec_match(const char **spec, char *matched, const char *filename, int skiplen); int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset); void overlay_tree_on_cache(const char *tree_name, const char *prefix); @@ -41,29 +41,40 @@ static int parse_attr(const char *name, int len) void color_parse(const char *value, const char *var, char *dst) { + color_parse_mem(value, strlen(value), var, dst); +} + +void color_parse_mem(const char *value, int value_len, const char *var, + char *dst) +{ const char *ptr = value; + int len = value_len; int attr = -1; int fg = -2; int bg = -2; - if (!strcasecmp(value, "reset")) { + if (!strncasecmp(value, "reset", len)) { strcpy(dst, "\033[m"); return; } /* [fg [bg]] [attr] */ - while (*ptr) { + while (len > 0) { const char *word = ptr; - int val, len = 0; + int val, wordlen = 0; - while (word[len] && !isspace(word[len])) - len++; + while (len > 0 && !isspace(word[wordlen])) { + wordlen++; + len--; + } - ptr = word + len; - while (*ptr && isspace(*ptr)) + ptr = word + wordlen; + while (len > 0 && isspace(*ptr)) { ptr++; + len--; + } - val = parse_color(word, len); + val = parse_color(word, wordlen); if (val >= -1) { if (fg == -2) { fg = val; @@ -75,7 +86,7 @@ void color_parse(const char *value, const char *var, char *dst) } goto bad; } - val = parse_attr(word, len); + val = parse_attr(word, wordlen); if (val < 0 || attr != -1) goto bad; attr = val; @@ -115,7 +126,7 @@ void color_parse(const char *value, const char *var, char *dst) *dst = 0; return; bad: - die("bad config value '%s' for variable '%s'", value, var); + die("bad color value '%.*s' for variable '%s'", value_len, value, var); } int git_config_colorbool(const char *var, const char *value, int stdout_is_tty) @@ -191,3 +202,31 @@ int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...) va_end(args); return r; } + +/* + * This function splits the buffer by newlines and colors the lines individually. + * + * Returns 0 on success. + */ +int color_fwrite_lines(FILE *fp, const char *color, + size_t count, const char *buf) +{ + if (!*color) + return fwrite(buf, count, 1, fp) != 1; + while (count) { + char *p = memchr(buf, '\n', count); + if (p != buf && (fputs(color, fp) < 0 || + fwrite(buf, p ? p - buf : count, 1, fp) != 1 || + fputs(COLOR_RESET, fp) < 0)) + return -1; + if (!p) + return 0; + if (fputc('\n', fp) < 0) + return -1; + count -= p + 1 - buf; + buf = p + 1; + } + return 0; +} + + @@ -16,8 +16,10 @@ extern int git_use_color_default; int git_color_default_config(const char *var, const char *value, void *cb); int git_config_colorbool(const char *var, const char *value, int stdout_is_tty); -void color_parse(const char *var, const char *value, char *dst); +void color_parse(const char *value, const char *var, char *dst); +void color_parse_mem(const char *value, int len, const char *var, char *dst); int color_fprintf(FILE *fp, const char *color, const char *fmt, ...); int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...); +int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf); #endif /* COLOR_H */ @@ -705,6 +705,21 @@ struct commit_list *get_merge_bases(struct commit *one, struct commit *two, return get_merge_bases_many(one, 1, &two, cleanup); } +int is_descendant_of(struct commit *commit, struct commit_list *with_commit) +{ + if (!with_commit) + return 1; + while (with_commit) { + struct commit *other; + + other = with_commit->item; + with_commit = with_commit->next; + if (in_merge_bases(other, &commit, 1)) + return 1; + } + return 0; +} + int in_merge_bases(struct commit *commit, struct commit **reference, int num) { struct commit_list *bases, *b; @@ -133,6 +133,7 @@ extern int is_repository_shallow(void); extern struct commit_list *get_shallow_commits(struct object_array *heads, int depth, int shallow_flag, int not_shallow_flag); +int is_descendant_of(struct commit *, struct commit_list *); int in_merge_bases(struct commit *, struct commit **, int); extern int interactive_add(int argc, const char **argv, const char *prefix); diff --git a/compat/mingw.h b/compat/mingw.h index 4f275cb8e..a25589880 100644 --- a/compat/mingw.h +++ b/compat/mingw.h @@ -21,12 +21,12 @@ typedef int pid_t; #define WEXITSTATUS(x) ((x) & 0xff) #define WIFSIGNALED(x) ((unsigned)(x) > 259) -#define SIGKILL 0 -#define SIGCHLD 0 -#define SIGPIPE 0 -#define SIGHUP 0 -#define SIGQUIT 0 -#define SIGALRM 100 +#define SIGHUP 1 +#define SIGQUIT 3 +#define SIGKILL 9 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGCHLD 17 #define F_GETFD 1 #define F_SETFD 2 diff --git a/config.mak.in b/config.mak.in index 14dfb21fa..55b25c3d2 100644 --- a/config.mak.in +++ b/config.mak.in @@ -52,4 +52,5 @@ NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@ FREAD_READS_DIRECTORIES=@FREAD_READS_DIRECTORIES@ SNPRINTF_RETURNS_BOGUS=@SNPRINTF_RETURNS_BOGUS@ NO_PTHREADS=@NO_PTHREADS@ +THREADED_DELTA_SEARCH=@THREADED_DELTA_SEARCH@ PTHREAD_LIBS=@PTHREAD_LIBS@ diff --git a/configure.ac b/configure.ac index 0a5fc8c6f..082a03d3c 100644 --- a/configure.ac +++ b/configure.ac @@ -114,31 +114,31 @@ AC_MSG_NOTICE([CHECKS for programs]) # AC_PROG_CC([cc gcc]) # which switch to pass runtime path to dynamic libraries to the linker -AC_CACHE_CHECK([if linker supports -R], ld_dashr, [ +AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ SAVE_LDFLAGS="${LDFLAGS}" LDFLAGS="${SAVE_LDFLAGS} -R /" - AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_dashr=yes], [ld_dashr=no]) + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) LDFLAGS="${SAVE_LDFLAGS}" ]) -if test "$ld_dashr" = "yes"; then +if test "$git_cv_ld_dashr" = "yes"; then AC_SUBST(CC_LD_DYNPATH, [-R]) else - AC_CACHE_CHECK([if linker supports -Wl,-rpath,], ld_wl_rpath, [ + AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ SAVE_LDFLAGS="${LDFLAGS}" LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" - AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_wl_rpath=yes], [ld_wl_rpath=no]) + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) LDFLAGS="${SAVE_LDFLAGS}" ]) - if test "$ld_wl_rpath" = "yes"; then + if test "$git_cv_ld_wl_rpath" = "yes"; then AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,]) else - AC_CACHE_CHECK([if linker supports -rpath], ld_rpath, [ + AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ SAVE_LDFLAGS="${LDFLAGS}" LDFLAGS="${SAVE_LDFLAGS} -rpath /" - AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_rpath=yes], [ld_rpath=no]) + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) LDFLAGS="${SAVE_LDFLAGS}" ]) - if test "$ld_rpath" = "yes"; then + if test "$git_cv_ld_rpath" = "yes"; then AC_SUBST(CC_LD_DYNPATH, [-rpath]) else AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) @@ -492,7 +492,8 @@ AC_SUBST(NO_MKDTEMP) # # Define NO_PTHREADS if we do not have pthreads # -# Define PTHREAD_LIBS to the linker flag used for Pthread support. +# Define PTHREAD_LIBS to the linker flag used for Pthread support and define +# THREADED_DELTA_SEARCH if Pthreads are available. AC_LANG_CONFTEST([AC_LANG_PROGRAM( [[#include <pthread.h>]], [[pthread_mutex_t test_mutex;]] @@ -500,16 +501,19 @@ AC_LANG_CONFTEST([AC_LANG_PROGRAM( ${CC} -pthread conftest.c -o conftest.o > /dev/null 2>&1 if test $? -eq 0;then PTHREAD_LIBS="-pthread" + THREADED_DELTA_SEARCH=YesPlease else ${CC} -lpthread conftest.c -o conftest.o > /dev/null 2>&1 if test $? -eq 0;then PTHREAD_LIBS="-lpthread" + THREADED_DELTA_SEARCH=YesPlease else NO_PTHREADS=UnfortunatelyYes fi fi AC_SUBST(PTHREAD_LIBS) AC_SUBST(NO_PTHREADS) +AC_SUBST(THREADED_DELTA_SEARCH) ## Site configuration (override autodetection) ## --with-PACKAGE[=ARG] and --without-PACKAGE @@ -315,7 +315,7 @@ static int git_tcp_connect_sock(char *host, int flags) /* Not numeric */ struct servent *se = getservbyname(port,"tcp"); if ( !se ) - die("Unknown port %s\n", port); + die("Unknown port %s", port); nport = se->s_port; } diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index e00454983..81f70ec64 100755 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -1,3 +1,4 @@ +#!bash # # bash completion support for core Git. # @@ -50,9 +51,11 @@ case "$COMP_WORDBREAKS" in *) COMP_WORDBREAKS="$COMP_WORDBREAKS:" esac +# __gitdir accepts 0 or 1 arguments (i.e., location) +# returns location of .git repo __gitdir () { - if [ -z "$1" ]; then + if [ -z "${1-}" ]; then if [ -n "$__git_dir" ]; then echo "$__git_dir" elif [ -d .git ]; then @@ -67,6 +70,8 @@ __gitdir () fi } +# __git_ps1 accepts 0 or 1 arguments (i.e., format string) +# returns text to add to bash PS1 prompt (includes branch name) __git_ps1 () { local g="$(git rev-parse --git-dir 2>/dev/null)" @@ -111,7 +116,7 @@ __git_ps1 () fi fi - if [ -n "$1" ]; then + if [ -n "${1-}" ]; then printf "$1" "${b##refs/heads/}$r" else printf " (%s)" "${b##refs/heads/}$r" @@ -119,6 +124,7 @@ __git_ps1 () fi } +# __gitcomp_1 requires 2 arguments __gitcomp_1 () { local c IFS=' '$'\t'$'\n' @@ -131,6 +137,8 @@ __gitcomp_1 () done } +# __gitcomp accepts 1, 2, 3, or 4 arguments +# generates completion reply with compgen __gitcomp () { local cur="${COMP_WORDS[COMP_CWORD]}" @@ -143,22 +151,23 @@ __gitcomp () ;; *) local IFS=$'\n' - COMPREPLY=($(compgen -P "$2" \ - -W "$(__gitcomp_1 "$1" "$4")" \ + COMPREPLY=($(compgen -P "${2-}" \ + -W "$(__gitcomp_1 "${1-}" "${4-}")" \ -- "$cur")) ;; esac } +# __git_heads accepts 0 or 1 arguments (to pass to __gitdir) __git_heads () { - local cmd i is_hash=y dir="$(__gitdir "$1")" + local cmd i is_hash=y dir="$(__gitdir "${1-}")" if [ -d "$dir" ]; then git --git-dir="$dir" for-each-ref --format='%(refname:short)' \ refs/heads return fi - for i in $(git ls-remote "$1" 2>/dev/null); do + for i in $(git ls-remote "${1-}" 2>/dev/null); do case "$is_hash,$i" in y,*) is_hash=n ;; n,*^{}) is_hash=y ;; @@ -168,15 +177,16 @@ __git_heads () done } +# __git_tags accepts 0 or 1 arguments (to pass to __gitdir) __git_tags () { - local cmd i is_hash=y dir="$(__gitdir "$1")" + local cmd i is_hash=y dir="$(__gitdir "${1-}")" if [ -d "$dir" ]; then git --git-dir="$dir" for-each-ref --format='%(refname:short)' \ refs/tags return fi - for i in $(git ls-remote "$1" 2>/dev/null); do + for i in $(git ls-remote "${1-}" 2>/dev/null); do case "$is_hash,$i" in y,*) is_hash=n ;; n,*^{}) is_hash=y ;; @@ -186,9 +196,10 @@ __git_tags () done } +# __git_refs accepts 0 or 1 arguments (to pass to __gitdir) __git_refs () { - local i is_hash=y dir="$(__gitdir "$1")" + local i is_hash=y dir="$(__gitdir "${1-}")" local cur="${COMP_WORDS[COMP_CWORD]}" format refs if [ -d "$dir" ]; then case "$cur" in @@ -218,6 +229,7 @@ __git_refs () done } +# __git_refs2 requires 1 argument (to pass to __git_refs) __git_refs2 () { local i @@ -226,6 +238,7 @@ __git_refs2 () done } +# __git_refs_remotes requires 1 argument (to pass to ls-remote) __git_refs_remotes () { local cmd i is_hash=y @@ -470,6 +483,7 @@ __git_aliases () done } +# __git_aliased_command requires 1 argument __git_aliased_command () { local word cmdline=$(git --git-dir="$(__gitdir)" \ @@ -482,6 +496,7 @@ __git_aliased_command () done } +# __git_find_subcommand requires 1 argument __git_find_subcommand () { local word subcommand c=1 @@ -563,7 +578,7 @@ _git_add () --*) __gitcomp " --interactive --refresh --patch --update --dry-run - --ignore-errors + --ignore-errors --intent-to-add " return esac @@ -628,7 +643,6 @@ _git_branch () done case "${COMP_WORDS[COMP_CWORD]}" in - --*=*) COMPREPLY=() ;; --*) __gitcomp " --color --no-color --verbose --abbrev= --no-abbrev @@ -759,23 +773,30 @@ _git_describe () __gitcomp "$(__git_refs)" } -_git_diff () -{ - __git_has_doubledash && return - - local cur="${COMP_WORDS[COMP_CWORD]}" - case "$cur" in - --*) - __gitcomp "--cached --stat --numstat --shortstat --summary +__git_diff_common_options="--stat --numstat --shortstat --summary --patch-with-stat --name-only --name-status --color --no-color --color-words --no-renames --check --full-index --binary --abbrev --diff-filter= - --find-copies-harder --pickaxe-all --pickaxe-regex + --find-copies-harder --text --ignore-space-at-eol --ignore-space-change --ignore-all-space --exit-code --quiet --ext-diff --no-ext-diff --no-prefix --src-prefix= --dst-prefix= + --inter-hunk-context= + --patience + --raw +" + +_git_diff () +{ + __git_has_doubledash && return + + local cur="${COMP_WORDS[COMP_CWORD]}" + case "$cur" in + --*) + __gitcomp "--cached --pickaxe-all --pickaxe-regex --base --ours --theirs + $__git_diff_common_options " return ;; @@ -823,6 +844,8 @@ _git_format_patch () --not --all --cover-letter --no-prefix --src-prefix= --dst-prefix= + --inline --suffix= --ignore-if-in-upstream + --subject-prefix= " return ;; @@ -930,6 +953,8 @@ _git_ls_tree () __git_complete_file } +__git_log_pretty_formats="oneline short medium full fuller email raw format:" + _git_log () { __git_has_doubledash && return @@ -937,8 +962,7 @@ _git_log () local cur="${COMP_WORDS[COMP_CWORD]}" case "$cur" in --pretty=*) - __gitcomp " - oneline short medium full fuller email raw + __gitcomp "$__git_log_pretty_formats " "" "${cur##--pretty=}" return ;; @@ -958,15 +982,16 @@ _git_log () --relative-date --date= --author= --committer= --grep= --all-match - --pretty= --name-status --name-only --raw + --pretty= --not --all --left-right --cherry-pick --graph - --stat --numstat --shortstat - --decorate --diff-filter= - --color-words --walk-reflogs + --decorate + --walk-reflogs --parents --children --full-history --merge + $__git_diff_common_options + --pickaxe-all --pickaxe-regex " return ;; @@ -1367,7 +1392,7 @@ _git_config () _git_remote () { - local subcommands="add rm show prune update" + local subcommands="add rename rm show prune update" local subcommand="$(__git_find_subcommand "$subcommands")" if [ -z "$subcommand" ]; then __gitcomp "$subcommands" @@ -1375,7 +1400,7 @@ _git_remote () fi case "$subcommand" in - rm|show|prune) + rename|rm|show|prune) __gitcomp "$(__git_remotes)" ;; update) @@ -1403,7 +1428,7 @@ _git_reset () local cur="${COMP_WORDS[COMP_CWORD]}" case "$cur" in --*) - __gitcomp "--mixed --hard --soft" + __gitcomp "--merge --mixed --hard --soft" return ;; esac @@ -1465,13 +1490,14 @@ _git_show () local cur="${COMP_WORDS[COMP_CWORD]}" case "$cur" in --pretty=*) - __gitcomp " - oneline short medium full fuller email raw + __gitcomp "$__git_log_pretty_formats " "" "${cur##--pretty=}" return ;; --*) - __gitcomp "--pretty=" + __gitcomp "--pretty= + $__git_diff_common_options + " return ;; esac @@ -1558,7 +1584,7 @@ _git_svn () --follow-parent --authors-file= --repack= --no-metadata --use-svm-props --use-svnsync-props --log-window-size= --no-checkout --quiet - --repack-flags --user-log-author $remote_opts + --repack-flags --user-log-author --localtime $remote_opts " local init_opts=" --template= --shared= --trunk= --tags= @@ -1672,7 +1698,6 @@ _git () if [ -z "$command" ]; then case "${COMP_WORDS[COMP_CWORD]}" in - --*=*) COMPREPLY=() ;; --*) __gitcomp " --paginate --no-pager @@ -1736,6 +1761,7 @@ _git () show) _git_show ;; show-branch) _git_show_branch ;; stash) _git_stash ;; + stage) _git_add ;; submodule) _git_submodule ;; svn) _git_svn ;; tag) _git_tag ;; @@ -1763,13 +1789,16 @@ _gitk () __git_complete_revlist } -complete -o default -o nospace -F _git git -complete -o default -o nospace -F _gitk gitk +complete -o bashdefault -o default -o nospace -F _git git 2>/dev/null \ + || complete -o default -o nospace -F _git git +complete -o bashdefault -o default -o nospace -F _gitk gitk 2>/dev/null \ + || complete -o default -o nospace -F _gitk gitk # The following are necessary only for Cygwin, and only are needed # when the user has tab-completed the executable name and consequently # included the '.exe' suffix. # if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then -complete -o default -o nospace -F _git git.exe +complete -o bashdefault -o default -o nospace -F _git git.exe 2>/dev/null \ + || complete -o default -o nospace -F _git git.exe fi diff --git a/contrib/difftool/git-difftool b/contrib/difftool/git-difftool new file mode 100755 index 000000000..0cda3d2ee --- /dev/null +++ b/contrib/difftool/git-difftool @@ -0,0 +1,73 @@ +#!/usr/bin/env perl +# Copyright (c) 2009 David Aguilar +# +# This is a wrapper around the GIT_EXTERNAL_DIFF-compatible +# git-difftool-helper script. This script exports +# GIT_EXTERNAL_DIFF and GIT_PAGER for use by git, and +# GIT_DIFFTOOL_NO_PROMPT and GIT_MERGE_TOOL for use by git-difftool-helper. +# Any arguments that are unknown to this script are forwarded to 'git diff'. + +use strict; +use warnings; +use Cwd qw(abs_path); +use File::Basename qw(dirname); + +my $DIR = abs_path(dirname($0)); + + +sub usage +{ + print << 'USAGE'; +usage: git difftool [--tool=<tool>] [--no-prompt] ["git diff" options] +USAGE + exit 1; +} + +sub setup_environment +{ + $ENV{PATH} = "$DIR:$ENV{PATH}"; + $ENV{GIT_PAGER} = ''; + $ENV{GIT_EXTERNAL_DIFF} = 'git-difftool-helper'; +} + +sub exe +{ + my $exe = shift; + return defined $ENV{COMSPEC} ? "$exe.exe" : $exe; +} + +sub generate_command +{ + my @command = (exe('git'), 'diff'); + my $skip_next = 0; + my $idx = -1; + for my $arg (@ARGV) { + $idx++; + if ($skip_next) { + $skip_next = 0; + next; + } + if ($arg eq '-t' or $arg eq '--tool') { + usage() if $#ARGV <= $idx; + $ENV{GIT_MERGE_TOOL} = $ARGV[$idx + 1]; + $skip_next = 1; + next; + } + if ($arg =~ /^--tool=/) { + $ENV{GIT_MERGE_TOOL} = substr($arg, 7); + next; + } + if ($arg eq '--no-prompt') { + $ENV{GIT_DIFFTOOL_NO_PROMPT} = 'true'; + next; + } + if ($arg eq '-h' or $arg eq '--help') { + usage(); + } + push @command, $arg; + } + return @command +} + +setup_environment(); +exec(generate_command()); diff --git a/contrib/difftool/git-difftool-helper b/contrib/difftool/git-difftool-helper new file mode 100755 index 000000000..db3af6a83 --- /dev/null +++ b/contrib/difftool/git-difftool-helper @@ -0,0 +1,240 @@ +#!/bin/sh +# git-difftool-helper is a GIT_EXTERNAL_DIFF-compatible diff tool launcher. +# It supports kdiff3, kompare, tkdiff, xxdiff, meld, opendiff, +# emerge, ecmerge, vimdiff, gvimdiff, and custom user-configurable tools. +# This script is typically launched by using the 'git difftool' +# convenience command. +# +# Copyright (c) 2009 David Aguilar + +# Set GIT_DIFFTOOL_NO_PROMPT to bypass the per-file prompt. +should_prompt () { + ! test -n "$GIT_DIFFTOOL_NO_PROMPT" +} + +# Should we keep the backup .orig file? +keep_backup_mode="$(git config --bool merge.keepBackup || echo true)" +keep_backup () { + test "$keep_backup_mode" = "true" +} + +# This function manages the backup .orig file. +# A backup $MERGED.orig file is created if changes are detected. +cleanup_temp_files () { + if test -n "$MERGED"; then + if keep_backup && test "$MERGED" -nt "$BACKUP"; then + test -f "$BACKUP" && mv -- "$BACKUP" "$MERGED.orig" + else + rm -f -- "$BACKUP" + fi + fi +} + +# This is called when users Ctrl-C out of git-difftool-helper +sigint_handler () { + cleanup_temp_files + exit 1 +} + +# This function prepares temporary files and launches the appropriate +# merge tool. +launch_merge_tool () { + # Merged is the filename as it appears in the work tree + # Local is the contents of a/filename + # Remote is the contents of b/filename + # Custom merge tool commands might use $BASE so we provide it + MERGED="$1" + LOCAL="$2" + REMOTE="$3" + BASE="$1" + ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')" + BACKUP="$MERGED.BACKUP.$ext" + + # Create and ensure that we clean up $BACKUP + test -f "$MERGED" && cp -- "$MERGED" "$BACKUP" + trap sigint_handler INT + + # $LOCAL and $REMOTE are temporary files so prompt + # the user with the real $MERGED name before launching $merge_tool. + if should_prompt; then + printf "\nViewing: '$MERGED'\n" + printf "Hit return to launch '%s': " "$merge_tool" + read ans + fi + + # Run the appropriate merge tool command + case "$merge_tool" in + kdiff3) + basename=$(basename "$MERGED") + "$merge_tool_path" --auto \ + --L1 "$basename (A)" \ + --L2 "$basename (B)" \ + -o "$MERGED" "$LOCAL" "$REMOTE" \ + > /dev/null 2>&1 + ;; + + kompare) + "$merge_tool_path" "$LOCAL" "$REMOTE" + ;; + + tkdiff) + "$merge_tool_path" -o "$MERGED" "$LOCAL" "$REMOTE" + ;; + + meld) + "$merge_tool_path" "$LOCAL" "$REMOTE" + ;; + + vimdiff) + "$merge_tool_path" -c "wincmd l" "$LOCAL" "$REMOTE" + ;; + + gvimdiff) + "$merge_tool_path" -c "wincmd l" -f "$LOCAL" "$REMOTE" + ;; + + xxdiff) + "$merge_tool_path" \ + -X \ + -R 'Accel.SaveAsMerged: "Ctrl-S"' \ + -R 'Accel.Search: "Ctrl+F"' \ + -R 'Accel.SearchForward: "Ctrl-G"' \ + --merged-file "$MERGED" \ + "$LOCAL" "$REMOTE" + ;; + + opendiff) + "$merge_tool_path" "$LOCAL" "$REMOTE" \ + -merge "$MERGED" | cat + ;; + + ecmerge) + "$merge_tool_path" "$LOCAL" "$REMOTE" \ + --default --mode=merge2 --to="$MERGED" + ;; + + emerge) + "$merge_tool_path" -f emerge-files-command \ + "$LOCAL" "$REMOTE" "$(basename "$MERGED")" + ;; + + *) + if test -n "$merge_tool_cmd"; then + ( eval $merge_tool_cmd ) + fi + ;; + esac + + cleanup_temp_files +} + +# Verifies that mergetool.<tool>.cmd exists +valid_custom_tool() { + merge_tool_cmd="$(git config mergetool.$1.cmd)" + test -n "$merge_tool_cmd" +} + +# Verifies that the chosen merge tool is properly setup. +# Built-in merge tools are always valid. +valid_tool() { + case "$1" in + kdiff3 | kompare | tkdiff | xxdiff | meld | opendiff | emerge | vimdiff | gvimdiff | ecmerge) + ;; # happy + *) + if ! valid_custom_tool "$1" + then + return 1 + fi + ;; + esac +} + +# Sets up the merge_tool_path variable. +# This handles the mergetool.<tool>.path configuration. +init_merge_tool_path() { + merge_tool_path=$(git config mergetool."$1".path) + if test -z "$merge_tool_path"; then + case "$1" in + emerge) + merge_tool_path=emacs + ;; + *) + merge_tool_path="$1" + ;; + esac + fi +} + +# Allow the GIT_MERGE_TOOL variable to provide a default value +test -n "$GIT_MERGE_TOOL" && merge_tool="$GIT_MERGE_TOOL" + +# If not merge tool was specified then use the merge.tool +# configuration variable. If that's invalid then reset merge_tool. +if test -z "$merge_tool"; then + merge_tool=$(git config merge.tool) + if test -n "$merge_tool" && ! valid_tool "$merge_tool"; then + echo >&2 "git config option merge.tool set to unknown tool: $merge_tool" + echo >&2 "Resetting to default..." + unset merge_tool + fi +fi + +# Try to guess an appropriate merge tool if no tool has been set. +if test -z "$merge_tool"; then + # We have a $DISPLAY so try some common UNIX merge tools + if test -n "$DISPLAY"; then + # If gnome then prefer meld, otherwise, prefer kdiff3 or kompare + if test -n "$GNOME_DESKTOP_SESSION_ID" ; then + merge_tool_candidates="meld kdiff3 kompare tkdiff xxdiff gvimdiff" + else + merge_tool_candidates="kdiff3 kompare tkdiff xxdiff meld gvimdiff" + fi + fi + if echo "${VISUAL:-$EDITOR}" | grep 'emacs' > /dev/null 2>&1; then + # $EDITOR is emacs so add emerge as a candidate + merge_tool_candidates="$merge_tool_candidates emerge opendiff vimdiff" + elif echo "${VISUAL:-$EDITOR}" | grep 'vim' > /dev/null 2>&1; then + # $EDITOR is vim so add vimdiff as a candidate + merge_tool_candidates="$merge_tool_candidates vimdiff opendiff emerge" + else + merge_tool_candidates="$merge_tool_candidates opendiff emerge vimdiff" + fi + echo "merge tool candidates: $merge_tool_candidates" + + # Loop over each candidate and stop when a valid merge tool is found. + for i in $merge_tool_candidates + do + init_merge_tool_path $i + if type "$merge_tool_path" > /dev/null 2>&1; then + merge_tool=$i + break + fi + done + + if test -z "$merge_tool" ; then + echo "No known merge resolution program available." + exit 1 + fi + +else + # A merge tool has been set, so verify that it's valid. + if ! valid_tool "$merge_tool"; then + echo >&2 "Unknown merge tool $merge_tool" + exit 1 + fi + + init_merge_tool_path "$merge_tool" + + if test -z "$merge_tool_cmd" && ! type "$merge_tool_path" > /dev/null 2>&1; then + echo "The merge tool $merge_tool is not available as '$merge_tool_path'" + exit 1 + fi +fi + + +# Launch the merge tool on each path provided by 'git diff' +while test $# -gt 6 +do + launch_merge_tool "$1" "$2" "$5" + shift 7 +done diff --git a/contrib/difftool/git-difftool.txt b/contrib/difftool/git-difftool.txt new file mode 100644 index 000000000..6e2610cda --- /dev/null +++ b/contrib/difftool/git-difftool.txt @@ -0,0 +1,105 @@ +git-difftool(1) +=============== + +NAME +---- +git-difftool - compare changes using common merge tools + +SYNOPSIS +-------- +'git difftool' [--tool=<tool>] [--no-prompt] ['git diff' options] + +DESCRIPTION +----------- +'git-difftool' is a git command that allows you to compare and edit files +between revisions using common merge tools. At its most basic level, +'git-difftool' does what 'git-mergetool' does but its use is for non-merge +situations such as when preparing commits or comparing changes against +the index. + +'git difftool' is a frontend to 'git diff' and accepts the same +arguments and options. + +See linkgit:git-diff[1] for the full list of supported options. + +OPTIONS +------- +-t <tool>:: +--tool=<tool>:: + Use the merge resolution program specified by <tool>. + Valid merge tools are: + kdiff3, kompare, tkdiff, meld, xxdiff, emerge, + vimdiff, gvimdiff, ecmerge, and opendiff ++ +If a merge resolution program is not specified, 'git-difftool' +will use the configuration variable `merge.tool`. If the +configuration variable `merge.tool` is not set, 'git difftool' +will pick a suitable default. ++ +You can explicitly provide a full path to the tool by setting the +configuration variable `mergetool.<tool>.path`. For example, you +can configure the absolute path to kdiff3 by setting +`mergetool.kdiff3.path`. Otherwise, 'git-difftool' assumes the +tool is available in PATH. ++ +Instead of running one of the known merge tool programs, +'git-difftool' can be customized to run an alternative program +by specifying the command line to invoke in a configuration +variable `mergetool.<tool>.cmd`. ++ +When 'git-difftool' is invoked with this tool (either through the +`-t` or `--tool` option or the `merge.tool` configuration variable) +the configured command line will be invoked with the following +variables available: `$LOCAL` is set to the name of the temporary +file containing the contents of the diff pre-image and `$REMOTE` +is set to the name of the temporary file containing the contents +of the diff post-image. `$BASE` is provided for compatibility +with custom merge tool commands and has the same value as `$LOCAL`. + +--no-prompt:: + Do not prompt before launching a diff tool. + +CONFIG VARIABLES +---------------- +merge.tool:: + The default merge tool to use. ++ +See the `--tool=<tool>` option above for more details. + +merge.keepBackup:: + The original, unedited file content can be saved to a file with + a `.orig` extension. Defaults to `true` (i.e. keep the backup files). + +mergetool.<tool>.path:: + Override the path for the given tool. This is useful in case + your tool is not in the PATH. + +mergetool.<tool>.cmd:: + Specify the command to invoke the specified merge tool. ++ +See the `--tool=<tool>` option above for more details. + + +SEE ALSO +-------- +linkgit:git-diff[1]:: + Show changes between commits, commit and working tree, etc + +linkgit:git-mergetool[1]:: + Run merge conflict resolution tools to resolve merge conflicts + +linkgit:git-config[1]:: + Get and set repository or global options + + +AUTHOR +------ +Written by David Aguilar <davvid@gmail.com>. + +Documentation +-------------- +Documentation by David Aguilar and the git-list <git@vger.kernel.org>. + +GIT +--- +Part of the linkgit:git[1] suite diff --git a/contrib/vim/README b/contrib/vim/README index c487346eb..fca1e1725 100644 --- a/contrib/vim/README +++ b/contrib/vim/README @@ -5,11 +5,13 @@ automatically. If you have an older version of vim, you can get the latest syntax files from the vim project: - http://vim.svn.sourceforge.net/viewvc/vim/trunk/runtime/syntax/git.vim - http://vim.svn.sourceforge.net/viewvc/vim/trunk/runtime/syntax/gitcommit.vim - http://vim.svn.sourceforge.net/viewvc/vim/trunk/runtime/syntax/gitconfig.vim - http://vim.svn.sourceforge.net/viewvc/vim/trunk/runtime/syntax/gitrebase.vim - http://vim.svn.sourceforge.net/viewvc/vim/trunk/runtime/syntax/gitsendemail.vim + http://ftp.vim.org/pub/vim/runtime/syntax/git.vim + http://ftp.vim.org/pub/vim/runtime/syntax/gitcommit.vim + http://ftp.vim.org/pub/vim/runtime/syntax/gitconfig.vim + http://ftp.vim.org/pub/vim/runtime/syntax/gitrebase.vim + http://ftp.vim.org/pub/vim/runtime/syntax/gitsendemail.vim + +These files are also available via FTP at the same location. To install: @@ -5,25 +5,22 @@ */ #include "cache.h" -/* Just so that no insane platform contaminate namespace with these symbols */ -#undef SS -#undef AA -#undef DD -#undef GS - -#define SS GIT_SPACE -#define AA GIT_ALPHA -#define DD GIT_DIGIT -#define GS GIT_SPECIAL /* \0, *, ?, [, \\ */ +enum { + S = GIT_SPACE, + A = GIT_ALPHA, + D = GIT_DIGIT, + G = GIT_GLOB_SPECIAL, /* *, ?, [, \\ */ + R = GIT_REGEX_SPECIAL, /* $, (, ), +, ., ^, {, | * */ +}; unsigned char sane_ctype[256] = { - GS, 0, 0, 0, 0, 0, 0, 0, 0, SS, SS, 0, 0, SS, 0, 0, /* 0-15 */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 16-15 */ - SS, 0, 0, 0, 0, 0, 0, 0, 0, 0, GS, 0, 0, 0, 0, 0, /* 32-15 */ - DD, DD, DD, DD, DD, DD, DD, DD, DD, DD, 0, 0, 0, 0, 0, GS, /* 48-15 */ - 0, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, /* 64-15 */ - AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, GS, GS, 0, 0, 0, /* 80-15 */ - 0, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, /* 96-15 */ - AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, 0, 0, 0, 0, 0, /* 112-15 */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, S, S, 0, 0, S, 0, 0, /* 0.. 15 */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 16.. 31 */ + S, 0, 0, 0, R, 0, 0, 0, R, R, G, R, 0, 0, R, 0, /* 32.. 47 */ + D, D, D, D, D, D, D, D, D, D, 0, 0, 0, 0, 0, G, /* 48.. 63 */ + 0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, /* 64.. 79 */ + A, A, A, A, A, A, A, A, A, A, A, G, G, 0, R, 0, /* 80.. 95 */ + 0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, /* 96..111 */ + A, A, A, A, A, A, A, A, A, A, A, R, R, 0, 0, 0, /* 112..127 */ /* Nothing in the 128.. range */ }; @@ -716,7 +716,7 @@ static int socksetup(char *listen_addr, int listen_port, int **socklist_p) gai = getaddrinfo(listen_addr, pbuf, &hints, &ai0); if (gai) - die("getaddrinfo() failed: %s\n", gai_strerror(gai)); + die("getaddrinfo() failed: %s", gai_strerror(gai)); for (ai = ai0; ai; ai = ai->ai_next) { int sockfd; @@ -937,6 +937,8 @@ int main(int argc, char **argv) gid_t gid = 0; int i; + git_extract_argv0_path(argv[0]); + for (i = 1; i < argc; i++) { char *arg = argv[i]; diff --git a/diff-lib.c b/diff-lib.c index ae96c64ca..a41e1ec07 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -61,14 +61,12 @@ int run_diff_files(struct rev_info *revs, unsigned int option) int silent_on_removed = option & DIFF_SILENT_ON_REMOVED; unsigned ce_option = ((option & DIFF_RACY_IS_MODIFIED) ? CE_MATCH_RACY_IS_DIRTY : 0); - char symcache[PATH_MAX]; diff_set_mnemonic_prefix(&revs->diffopt, "i/", "w/"); if (diff_unmerged_stage < 0) diff_unmerged_stage = 2; entries = active_nr; - symcache[0] = '\0'; for (i = 0; i < entries; i++) { struct stat st; unsigned int oldmode, newmode; @@ -198,11 +196,6 @@ int run_diff_files(struct rev_info *revs, unsigned int option) * diff-index */ -struct oneway_unpack_data { - struct rev_info *revs; - char symcache[PATH_MAX]; -}; - /* A file entry went away or appeared */ static void diff_index_show_file(struct rev_info *revs, const char *prefix, @@ -216,8 +209,7 @@ static void diff_index_show_file(struct rev_info *revs, static int get_stat_data(struct cache_entry *ce, const unsigned char **sha1p, unsigned int *modep, - int cached, int match_missing, - struct oneway_unpack_data *cbdata) + int cached, int match_missing) { const unsigned char *sha1 = ce->sha1; unsigned int mode = ce->ce_mode; @@ -248,25 +240,24 @@ static int get_stat_data(struct cache_entry *ce, return 0; } -static void show_new_file(struct oneway_unpack_data *cbdata, +static void show_new_file(struct rev_info *revs, struct cache_entry *new, int cached, int match_missing) { const unsigned char *sha1; unsigned int mode; - struct rev_info *revs = cbdata->revs; /* * New file in the index: it might actually be different in * the working copy. */ - if (get_stat_data(new, &sha1, &mode, cached, match_missing, cbdata) < 0) + if (get_stat_data(new, &sha1, &mode, cached, match_missing) < 0) return; diff_index_show_file(revs, "+", new, sha1, mode); } -static int show_modified(struct oneway_unpack_data *cbdata, +static int show_modified(struct rev_info *revs, struct cache_entry *old, struct cache_entry *new, int report_missing, @@ -274,9 +265,8 @@ static int show_modified(struct oneway_unpack_data *cbdata, { unsigned int mode, oldmode; const unsigned char *sha1; - struct rev_info *revs = cbdata->revs; - if (get_stat_data(new, &sha1, &mode, cached, match_missing, cbdata) < 0) { + if (get_stat_data(new, &sha1, &mode, cached, match_missing) < 0) { if (report_missing) diff_index_show_file(revs, "-", old, old->sha1, old->ce_mode); @@ -344,8 +334,7 @@ static void do_oneway_diff(struct unpack_trees_options *o, struct cache_entry *idx, struct cache_entry *tree) { - struct oneway_unpack_data *cbdata = o->unpack_data; - struct rev_info *revs = cbdata->revs; + struct rev_info *revs = o->unpack_data; int match_missing, cached; /* @@ -368,7 +357,7 @@ static void do_oneway_diff(struct unpack_trees_options *o, * Something added to the tree? */ if (!tree) { - show_new_file(cbdata, idx, cached, match_missing); + show_new_file(revs, idx, cached, match_missing); return; } @@ -381,7 +370,7 @@ static void do_oneway_diff(struct unpack_trees_options *o, } /* Show difference between old and new */ - show_modified(cbdata, tree, idx, 1, cached, match_missing); + show_modified(revs, tree, idx, 1, cached, match_missing); } static inline void skip_same_name(struct cache_entry *ce, struct unpack_trees_options *o) @@ -418,8 +407,7 @@ static int oneway_diff(struct cache_entry **src, struct unpack_trees_options *o) { struct cache_entry *idx = src[0]; struct cache_entry *tree = src[1]; - struct oneway_unpack_data *cbdata = o->unpack_data; - struct rev_info *revs = cbdata->revs; + struct rev_info *revs = o->unpack_data; if (idx && ce_stage(idx)) skip_same_name(idx, o); @@ -446,7 +434,6 @@ int run_diff_index(struct rev_info *revs, int cached) const char *tree_name; struct unpack_trees_options opts; struct tree_desc t; - struct oneway_unpack_data unpack_cb; mark_merge_entries(); @@ -456,14 +443,12 @@ int run_diff_index(struct rev_info *revs, int cached) if (!tree) return error("bad tree object %s", tree_name); - unpack_cb.revs = revs; - unpack_cb.symcache[0] = '\0'; memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; opts.index_only = cached; opts.merge = 1; opts.fn = oneway_diff; - opts.unpack_data = &unpack_cb; + opts.unpack_data = revs; opts.src_index = &the_index; opts.dst_index = NULL; @@ -486,7 +471,6 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) struct cache_entry *last = NULL; struct unpack_trees_options opts; struct tree_desc t; - struct oneway_unpack_data unpack_cb; /* * This is used by git-blame to run diff-cache internally; @@ -515,14 +499,12 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) if (!tree) die("bad tree object %s", sha1_to_hex(tree_sha1)); - unpack_cb.revs = &revs; - unpack_cb.symcache[0] = '\0'; memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; opts.index_only = 1; opts.merge = 1; opts.fn = oneway_diff; - opts.unpack_data = &unpack_cb; + opts.unpack_data = &revs; opts.src_index = &the_index; opts.dst_index = &the_index; diff --git a/diff-no-index.c b/diff-no-index.c index 60ed17470..0dbd9dad8 100644 --- a/diff-no-index.c +++ b/diff-no-index.c @@ -40,7 +40,7 @@ static int get_mode(const char *path, int *mode) *mode = 0; else if (!strcmp(path, "-")) *mode = create_ce_mode(0666); - else if (stat(path, &st)) + else if (lstat(path, &st)) return error("Could not access '%s'", path); else *mode = st.st_mode; @@ -12,6 +12,7 @@ #include "run-command.h" #include "utf8.h" #include "userdiff.h" +#include "sigchain.h" #ifdef NO_FAST_WORKING_DIRECTORY #define FAST_WORKING_DIRECTORY 0 @@ -23,6 +24,7 @@ static int diff_detect_rename_default; static int diff_rename_limit_default = 200; static int diff_suppress_blank_empty; int diff_use_color_default = -1; +static const char *diff_word_regex_cfg; static const char *external_diff_cmd_cfg; int diff_auto_refresh_index = 1; static int diff_mnemonic_prefix; @@ -92,6 +94,8 @@ int git_diff_ui_config(const char *var, const char *value, void *cb) } if (!strcmp(var, "diff.external")) return git_config_string(&external_diff_cmd_cfg, var, value); + if (!strcmp(var, "diff.wordregex")) + return git_config_string(&diff_word_regex_cfg, var, value); return git_diff_basic_config(var, value, cb); } @@ -167,6 +171,33 @@ static struct diff_tempfile { char tmp_path[PATH_MAX]; } diff_temp[2]; +static struct diff_tempfile *claim_diff_tempfile(void) { + int i; + for (i = 0; i < ARRAY_SIZE(diff_temp); i++) + if (!diff_temp[i].name) + return diff_temp + i; + die("BUG: diff is failing to clean up its tempfiles"); +} + +static int remove_tempfile_installed; + +static void remove_tempfile(void) +{ + int i; + for (i = 0; i < ARRAY_SIZE(diff_temp); i++) + if (diff_temp[i].name == diff_temp[i].tmp_path) { + unlink(diff_temp[i].name); + diff_temp[i].name = NULL; + } +} + +static void remove_tempfile_on_signal(int signo) +{ + remove_tempfile(); + sigchain_pop(signo); + raise(signo); +} + static int count_lines(const char *data, int size) { int count, ch, completely_empty = 1, nl_just_seen = 0; @@ -321,82 +352,138 @@ static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one) struct diff_words_buffer { mmfile_t text; long alloc; - long current; /* output pointer */ - int suppressed_newline; + struct diff_words_orig { + const char *begin, *end; + } *orig; + int orig_nr, orig_alloc; }; static void diff_words_append(char *line, unsigned long len, struct diff_words_buffer *buffer) { - if (buffer->text.size + len > buffer->alloc) { - buffer->alloc = (buffer->text.size + len) * 3 / 2; - buffer->text.ptr = xrealloc(buffer->text.ptr, buffer->alloc); - } + ALLOC_GROW(buffer->text.ptr, buffer->text.size + len, buffer->alloc); line++; len--; memcpy(buffer->text.ptr + buffer->text.size, line, len); buffer->text.size += len; + buffer->text.ptr[buffer->text.size] = '\0'; } struct diff_words_data { struct diff_words_buffer minus, plus; + const char *current_plus; FILE *file; + regex_t *word_regex; }; -static void print_word(FILE *file, struct diff_words_buffer *buffer, int len, int color, - int suppress_newline) +static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len) { - const char *ptr; - int eol = 0; + struct diff_words_data *diff_words = priv; + int minus_first, minus_len, plus_first, plus_len; + const char *minus_begin, *minus_end, *plus_begin, *plus_end; - if (len == 0) + if (line[0] != '@' || parse_hunk_header(line, len, + &minus_first, &minus_len, &plus_first, &plus_len)) return; - ptr = buffer->text.ptr + buffer->current; - buffer->current += len; + /* POSIX requires that first be decremented by one if len == 0... */ + if (minus_len) { + minus_begin = diff_words->minus.orig[minus_first].begin; + minus_end = + diff_words->minus.orig[minus_first + minus_len - 1].end; + } else + minus_begin = minus_end = + diff_words->minus.orig[minus_first].end; - if (ptr[len - 1] == '\n') { - eol = 1; - len--; + if (plus_len) { + plus_begin = diff_words->plus.orig[plus_first].begin; + plus_end = diff_words->plus.orig[plus_first + plus_len - 1].end; + } else + plus_begin = plus_end = diff_words->plus.orig[plus_first].end; + + if (diff_words->current_plus != plus_begin) + fwrite(diff_words->current_plus, + plus_begin - diff_words->current_plus, 1, + diff_words->file); + if (minus_begin != minus_end) + color_fwrite_lines(diff_words->file, + diff_get_color(1, DIFF_FILE_OLD), + minus_end - minus_begin, minus_begin); + if (plus_begin != plus_end) + color_fwrite_lines(diff_words->file, + diff_get_color(1, DIFF_FILE_NEW), + plus_end - plus_begin, plus_begin); + + diff_words->current_plus = plus_end; +} + +/* This function starts looking at *begin, and returns 0 iff a word was found. */ +static int find_word_boundaries(mmfile_t *buffer, regex_t *word_regex, + int *begin, int *end) +{ + if (word_regex && *begin < buffer->size) { + regmatch_t match[1]; + if (!regexec(word_regex, buffer->ptr + *begin, 1, match, 0)) { + char *p = memchr(buffer->ptr + *begin + match[0].rm_so, + '\n', match[0].rm_eo - match[0].rm_so); + *end = p ? p - buffer->ptr : match[0].rm_eo + *begin; + *begin += match[0].rm_so; + return *begin >= *end; + } + return -1; } - fputs(diff_get_color(1, color), file); - fwrite(ptr, len, 1, file); - fputs(diff_get_color(1, DIFF_RESET), file); + /* find the next word */ + while (*begin < buffer->size && isspace(buffer->ptr[*begin])) + (*begin)++; + if (*begin >= buffer->size) + return -1; - if (eol) { - if (suppress_newline) - buffer->suppressed_newline = 1; - else - putc('\n', file); - } + /* find the end of the word */ + *end = *begin + 1; + while (*end < buffer->size && !isspace(buffer->ptr[*end])) + (*end)++; + + return 0; } -static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len) +/* + * This function splits the words in buffer->text, stores the list with + * newline separator into out, and saves the offsets of the original words + * in buffer->orig. + */ +static void diff_words_fill(struct diff_words_buffer *buffer, mmfile_t *out, + regex_t *word_regex) { - struct diff_words_data *diff_words = priv; + int i, j; + long alloc = 0; - if (diff_words->minus.suppressed_newline) { - if (line[0] != '+') - putc('\n', diff_words->file); - diff_words->minus.suppressed_newline = 0; - } + out->size = 0; + out->ptr = NULL; - len--; - switch (line[0]) { - case '-': - print_word(diff_words->file, - &diff_words->minus, len, DIFF_FILE_OLD, 1); - break; - case '+': - print_word(diff_words->file, - &diff_words->plus, len, DIFF_FILE_NEW, 0); - break; - case ' ': - print_word(diff_words->file, - &diff_words->plus, len, DIFF_PLAIN, 0); - diff_words->minus.current += len; - break; + /* fake an empty "0th" word */ + ALLOC_GROW(buffer->orig, 1, buffer->orig_alloc); + buffer->orig[0].begin = buffer->orig[0].end = buffer->text.ptr; + buffer->orig_nr = 1; + + for (i = 0; i < buffer->text.size; i++) { + if (find_word_boundaries(&buffer->text, word_regex, &i, &j)) + return; + + /* store original boundaries */ + ALLOC_GROW(buffer->orig, buffer->orig_nr + 1, + buffer->orig_alloc); + buffer->orig[buffer->orig_nr].begin = buffer->text.ptr + i; + buffer->orig[buffer->orig_nr].end = buffer->text.ptr + j; + buffer->orig_nr++; + + /* store one word */ + ALLOC_GROW(out->ptr, out->size + j - i + 1, alloc); + memcpy(out->ptr + out->size, buffer->text.ptr + i, j - i); + out->ptr[out->size + j - i] = '\n'; + out->size += j - i + 1; + + i = j - 1; } } @@ -407,38 +494,36 @@ static void diff_words_show(struct diff_words_data *diff_words) xdemitconf_t xecfg; xdemitcb_t ecb; mmfile_t minus, plus; - int i; + + /* special case: only removal */ + if (!diff_words->plus.text.size) { + color_fwrite_lines(diff_words->file, + diff_get_color(1, DIFF_FILE_OLD), + diff_words->minus.text.size, diff_words->minus.text.ptr); + diff_words->minus.text.size = 0; + return; + } + + diff_words->current_plus = diff_words->plus.text.ptr; memset(&xpp, 0, sizeof(xpp)); memset(&xecfg, 0, sizeof(xecfg)); - minus.size = diff_words->minus.text.size; - minus.ptr = xmalloc(minus.size); - memcpy(minus.ptr, diff_words->minus.text.ptr, minus.size); - for (i = 0; i < minus.size; i++) - if (isspace(minus.ptr[i])) - minus.ptr[i] = '\n'; - diff_words->minus.current = 0; - - plus.size = diff_words->plus.text.size; - plus.ptr = xmalloc(plus.size); - memcpy(plus.ptr, diff_words->plus.text.ptr, plus.size); - for (i = 0; i < plus.size; i++) - if (isspace(plus.ptr[i])) - plus.ptr[i] = '\n'; - diff_words->plus.current = 0; - + diff_words_fill(&diff_words->minus, &minus, diff_words->word_regex); + diff_words_fill(&diff_words->plus, &plus, diff_words->word_regex); xpp.flags = XDF_NEED_MINIMAL; - xecfg.ctxlen = diff_words->minus.alloc + diff_words->plus.alloc; + /* as only the hunk header will be parsed, we need a 0-context */ + xecfg.ctxlen = 0; xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words, &xpp, &xecfg, &ecb); free(minus.ptr); free(plus.ptr); + if (diff_words->current_plus != diff_words->plus.text.ptr + + diff_words->plus.text.size) + fwrite(diff_words->current_plus, + diff_words->plus.text.ptr + diff_words->plus.text.size + - diff_words->current_plus, 1, + diff_words->file); diff_words->minus.text.size = diff_words->plus.text.size = 0; - - if (diff_words->minus.suppressed_newline) { - putc('\n', diff_words->file); - diff_words->minus.suppressed_newline = 0; - } } typedef unsigned long (*sane_truncate_fn)(char *line, unsigned long len); @@ -462,7 +547,10 @@ static void free_diff_words_data(struct emit_callback *ecbdata) diff_words_show(ecbdata->diff_words); free (ecbdata->diff_words->minus.text.ptr); + free (ecbdata->diff_words->minus.orig); free (ecbdata->diff_words->plus.text.ptr); + free (ecbdata->diff_words->plus.orig); + free(ecbdata->diff_words->word_regex); free(ecbdata->diff_words); ecbdata->diff_words = NULL; } @@ -1325,6 +1413,12 @@ static const struct userdiff_funcname *diff_funcname_pattern(struct diff_filespe return one->driver->funcname.pattern ? &one->driver->funcname : NULL; } +static const char *userdiff_word_regex(struct diff_filespec *one) +{ + diff_filespec_load_driver(one); + return one->driver->word_regex; +} + void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b) { if (!options->a_prefix) @@ -1471,6 +1565,7 @@ static void builtin_diff(const char *name_a, ecbdata.file = o->file; xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts; xecfg.ctxlen = o->context; + xecfg.interhunkctxlen = o->interhunkcontext; xecfg.flags = XDL_EMIT_FUNCNAMES; if (pe) xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags); @@ -1484,6 +1579,21 @@ static void builtin_diff(const char *name_a, ecbdata.diff_words = xcalloc(1, sizeof(struct diff_words_data)); ecbdata.diff_words->file = o->file; + if (!o->word_regex) + o->word_regex = userdiff_word_regex(one); + if (!o->word_regex) + o->word_regex = userdiff_word_regex(two); + if (!o->word_regex) + o->word_regex = diff_word_regex_cfg; + if (o->word_regex) { + ecbdata.diff_words->word_regex = (regex_t *) + xmalloc(sizeof(regex_t)); + if (regcomp(ecbdata.diff_words->word_regex, + o->word_regex, + REG_EXTENDED | REG_NEWLINE)) + die ("Invalid regular expression: %s", + o->word_regex); + } } xdi_diff_outf(&mf1, &mf2, fn_out_consume, &ecbdata, &xpp, &xecfg, &ecb); @@ -1858,10 +1968,11 @@ static void prep_temp_blob(struct diff_tempfile *temp, sprintf(temp->mode, "%06o", mode); } -static void prepare_temp_file(const char *name, - struct diff_tempfile *temp, - struct diff_filespec *one) +static struct diff_tempfile *prepare_temp_file(const char *name, + struct diff_filespec *one) { + struct diff_tempfile *temp = claim_diff_tempfile(); + if (!DIFF_FILE_VALID(one)) { not_a_valid_file: /* A '-' entry produces this for file-2, and @@ -1870,7 +1981,13 @@ static void prepare_temp_file(const char *name, temp->name = "/dev/null"; strcpy(temp->hex, "."); strcpy(temp->mode, "."); - return; + return temp; + } + + if (!remove_tempfile_installed) { + atexit(remove_tempfile); + sigchain_push_common(remove_tempfile_on_signal); + remove_tempfile_installed = 1; } if (!one->sha1_valid || @@ -1910,7 +2027,7 @@ static void prepare_temp_file(const char *name, */ sprintf(temp->mode, "%06o", one->mode); } - return; + return temp; } else { if (diff_populate_filespec(one, 0)) @@ -1918,24 +2035,7 @@ static void prepare_temp_file(const char *name, prep_temp_blob(temp, one->data, one->size, one->sha1, one->mode); } -} - -static void remove_tempfile(void) -{ - int i; - - for (i = 0; i < 2; i++) - if (diff_temp[i].name == diff_temp[i].tmp_path) { - unlink(diff_temp[i].name); - diff_temp[i].name = NULL; - } -} - -static void remove_tempfile_on_signal(int signo) -{ - remove_tempfile(); - signal(SIGINT, SIG_DFL); - raise(signo); + return temp; } /* An external diff command takes: @@ -1953,34 +2053,22 @@ static void run_external_diff(const char *pgm, int complete_rewrite) { const char *spawn_arg[10]; - struct diff_tempfile *temp = diff_temp; int retval; - static int atexit_asked = 0; - const char *othername; const char **arg = &spawn_arg[0]; - othername = (other? other : name); - if (one && two) { - prepare_temp_file(name, &temp[0], one); - prepare_temp_file(othername, &temp[1], two); - if (! atexit_asked && - (temp[0].name == temp[0].tmp_path || - temp[1].name == temp[1].tmp_path)) { - atexit_asked = 1; - atexit(remove_tempfile); - } - signal(SIGINT, remove_tempfile_on_signal); - } - if (one && two) { + struct diff_tempfile *temp_one, *temp_two; + const char *othername = (other ? other : name); + temp_one = prepare_temp_file(name, one); + temp_two = prepare_temp_file(othername, two); *arg++ = pgm; *arg++ = name; - *arg++ = temp[0].name; - *arg++ = temp[0].hex; - *arg++ = temp[0].mode; - *arg++ = temp[1].name; - *arg++ = temp[1].hex; - *arg++ = temp[1].mode; + *arg++ = temp_one->name; + *arg++ = temp_one->hex; + *arg++ = temp_one->mode; + *arg++ = temp_two->name; + *arg++ = temp_two->hex; + *arg++ = temp_two->mode; if (other) { *arg++ = other; *arg++ = xfrm_msg; @@ -1999,16 +2087,86 @@ static void run_external_diff(const char *pgm, } } +static int similarity_index(struct diff_filepair *p) +{ + return p->score * 100 / MAX_SCORE; +} + +static void fill_metainfo(struct strbuf *msg, + const char *name, + const char *other, + struct diff_filespec *one, + struct diff_filespec *two, + struct diff_options *o, + struct diff_filepair *p) +{ + strbuf_init(msg, PATH_MAX * 2 + 300); + switch (p->status) { + case DIFF_STATUS_COPIED: + strbuf_addf(msg, "similarity index %d%%", similarity_index(p)); + strbuf_addstr(msg, "\ncopy from "); + quote_c_style(name, msg, NULL, 0); + strbuf_addstr(msg, "\ncopy to "); + quote_c_style(other, msg, NULL, 0); + strbuf_addch(msg, '\n'); + break; + case DIFF_STATUS_RENAMED: + strbuf_addf(msg, "similarity index %d%%", similarity_index(p)); + strbuf_addstr(msg, "\nrename from "); + quote_c_style(name, msg, NULL, 0); + strbuf_addstr(msg, "\nrename to "); + quote_c_style(other, msg, NULL, 0); + strbuf_addch(msg, '\n'); + break; + case DIFF_STATUS_MODIFIED: + if (p->score) { + strbuf_addf(msg, "dissimilarity index %d%%\n", + similarity_index(p)); + break; + } + /* fallthru */ + default: + /* nothing */ + ; + } + if (one && two && hashcmp(one->sha1, two->sha1)) { + int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV; + + if (DIFF_OPT_TST(o, BINARY)) { + mmfile_t mf; + if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) || + (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) + abbrev = 40; + } + strbuf_addf(msg, "index %.*s..%.*s", + abbrev, sha1_to_hex(one->sha1), + abbrev, sha1_to_hex(two->sha1)); + if (one->mode == two->mode) + strbuf_addf(msg, " %06o", one->mode); + strbuf_addch(msg, '\n'); + } + if (msg->len) + strbuf_setlen(msg, msg->len - 1); +} + static void run_diff_cmd(const char *pgm, const char *name, const char *other, const char *attr_path, struct diff_filespec *one, struct diff_filespec *two, - const char *xfrm_msg, + struct strbuf *msg, struct diff_options *o, - int complete_rewrite) + struct diff_filepair *p) { + const char *xfrm_msg = NULL; + int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score; + + if (msg) { + fill_metainfo(msg, name, other, one, two, o, p); + xfrm_msg = msg->len ? msg->buf : NULL; + } + if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL)) pgm = NULL; else { @@ -2041,18 +2199,13 @@ static void diff_fill_sha1_info(struct diff_filespec *one) if (lstat(one->path, &st) < 0) die("stat %s", one->path); if (index_path(one->sha1, one->path, &st, 0)) - die("cannot hash %s\n", one->path); + die("cannot hash %s", one->path); } } else hashclr(one->sha1); } -static int similarity_index(struct diff_filepair *p) -{ - return p->score * 100 / MAX_SCORE; -} - static void strip_prefix(int prefix_length, const char **namep, const char **otherp) { /* Strip the prefix but do not molest /dev/null and absolute paths */ @@ -2066,13 +2219,11 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o) { const char *pgm = external_diff(); struct strbuf msg; - char *xfrm_msg; struct diff_filespec *one = p->one; struct diff_filespec *two = p->two; const char *name; const char *other; const char *attr_path; - int complete_rewrite = 0; name = p->one->path; other = (strcmp(name, p->two->path) ? p->two->path : NULL); @@ -2082,83 +2233,34 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o) if (DIFF_PAIR_UNMERGED(p)) { run_diff_cmd(pgm, name, NULL, attr_path, - NULL, NULL, NULL, o, 0); + NULL, NULL, NULL, o, p); return; } diff_fill_sha1_info(one); diff_fill_sha1_info(two); - strbuf_init(&msg, PATH_MAX * 2 + 300); - switch (p->status) { - case DIFF_STATUS_COPIED: - strbuf_addf(&msg, "similarity index %d%%", similarity_index(p)); - strbuf_addstr(&msg, "\ncopy from "); - quote_c_style(name, &msg, NULL, 0); - strbuf_addstr(&msg, "\ncopy to "); - quote_c_style(other, &msg, NULL, 0); - strbuf_addch(&msg, '\n'); - break; - case DIFF_STATUS_RENAMED: - strbuf_addf(&msg, "similarity index %d%%", similarity_index(p)); - strbuf_addstr(&msg, "\nrename from "); - quote_c_style(name, &msg, NULL, 0); - strbuf_addstr(&msg, "\nrename to "); - quote_c_style(other, &msg, NULL, 0); - strbuf_addch(&msg, '\n'); - break; - case DIFF_STATUS_MODIFIED: - if (p->score) { - strbuf_addf(&msg, "dissimilarity index %d%%\n", - similarity_index(p)); - complete_rewrite = 1; - break; - } - /* fallthru */ - default: - /* nothing */ - ; - } - - if (hashcmp(one->sha1, two->sha1)) { - int abbrev = DIFF_OPT_TST(o, FULL_INDEX) ? 40 : DEFAULT_ABBREV; - - if (DIFF_OPT_TST(o, BINARY)) { - mmfile_t mf; - if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) || - (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) - abbrev = 40; - } - strbuf_addf(&msg, "index %.*s..%.*s", - abbrev, sha1_to_hex(one->sha1), - abbrev, sha1_to_hex(two->sha1)); - if (one->mode == two->mode) - strbuf_addf(&msg, " %06o", one->mode); - strbuf_addch(&msg, '\n'); - } - - if (msg.len) - strbuf_setlen(&msg, msg.len - 1); - xfrm_msg = msg.len ? msg.buf : NULL; - if (!pgm && DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two) && (S_IFMT & one->mode) != (S_IFMT & two->mode)) { - /* a filepair that changes between file and symlink + /* + * a filepair that changes between file and symlink * needs to be split into deletion and creation. */ struct diff_filespec *null = alloc_filespec(two->path); run_diff_cmd(NULL, name, other, attr_path, - one, null, xfrm_msg, o, 0); + one, null, &msg, o, p); free(null); + strbuf_release(&msg); + null = alloc_filespec(one->path); run_diff_cmd(NULL, name, other, attr_path, - null, two, xfrm_msg, o, 0); + null, two, &msg, o, p); free(null); } else run_diff_cmd(pgm, name, other, attr_path, - one, two, xfrm_msg, o, complete_rewrite); + one, two, &msg, o, p); strbuf_release(&msg); } @@ -2473,6 +2575,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) options->xdl_opts |= XDF_IGNORE_WHITESPACE_CHANGE; else if (!strcmp(arg, "--ignore-space-at-eol")) options->xdl_opts |= XDF_IGNORE_WHITESPACE_AT_EOL; + else if (!strcmp(arg, "--patience")) + options->xdl_opts |= XDF_PATIENCE_DIFF; /* flags options */ else if (!strcmp(arg, "--binary")) { @@ -2495,6 +2599,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) DIFF_OPT_CLR(options, COLOR_DIFF); else if (!strcmp(arg, "--color-words")) options->flags |= DIFF_OPT_COLOR_DIFF | DIFF_OPT_COLOR_DIFF_WORDS; + else if (!prefixcmp(arg, "--color-words=")) { + options->flags |= DIFF_OPT_COLOR_DIFF | DIFF_OPT_COLOR_DIFF_WORDS; + options->word_regex = arg + 14; + } else if (!strcmp(arg, "--exit-code")) DIFF_OPT_SET(options, EXIT_WITH_STATUS); else if (!strcmp(arg, "--quiet")) @@ -2540,6 +2648,9 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) options->b_prefix = arg + 13; else if (!strcmp(arg, "--no-prefix")) options->a_prefix = options->b_prefix = ""; + else if (opt_arg(arg, '\0', "inter-hunk-context", + &options->interhunkcontext)) + ; else if (!prefixcmp(arg, "--output=")) { options->file = fopen(arg + strlen("--output="), "w"); options->close_file = 1; @@ -3446,15 +3557,15 @@ void diff_unmerge(struct diff_options *options, static char *run_textconv(const char *pgm, struct diff_filespec *spec, size_t *outsize) { - struct diff_tempfile temp; + struct diff_tempfile *temp; const char *argv[3]; const char **arg = argv; struct child_process child; struct strbuf buf = STRBUF_INIT; - prepare_temp_file(spec->path, &temp, spec); + temp = prepare_temp_file(spec->path, spec); *arg++ = pgm; - *arg++ = temp.name; + *arg++ = temp->name; *arg = NULL; memset(&child, 0, sizeof(child)); @@ -3463,13 +3574,11 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec, if (start_command(&child) != 0 || strbuf_read(&buf, child.out, 0) < 0 || finish_command(&child) != 0) { - if (temp.name == temp.tmp_path) - unlink(temp.name); + remove_tempfile(); error("error running textconv command '%s'", pgm); return NULL; } - if (temp.name == temp.tmp_path) - unlink(temp.name); + remove_tempfile(); return strbuf_detach(&buf, outsize); } @@ -78,6 +78,7 @@ struct diff_options { const char *a_prefix, *b_prefix; unsigned flags; int context; + int interhunkcontext; int break_opt; int detect_rename; int skip_stat_unmatch; @@ -97,6 +98,7 @@ struct diff_options { int stat_width; int stat_name_width; + const char *word_regex; /* this is set by diffcore for DIFF_FORMAT_PATCH */ int found_changes; diff --git a/diffcore-rename.c b/diffcore-rename.c index 168a95b54..0b0d6b8c8 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -153,9 +153,9 @@ static int estimate_similarity(struct diff_filespec *src, * is a possible size - we really should have a flag to * say whether the size is valid or not!) */ - if (!src->cnt_data && diff_populate_filespec(src, 0)) + if (!src->cnt_data && diff_populate_filespec(src, 1)) return 0; - if (!dst->cnt_data && diff_populate_filespec(dst, 0)) + if (!dst->cnt_data && diff_populate_filespec(dst, 1)) return 0; max_size = ((src->size > dst->size) ? src->size : dst->size); @@ -173,6 +173,11 @@ static int estimate_similarity(struct diff_filespec *src, if (base_size * (MAX_SCORE-minimum_score) < delta_size * MAX_SCORE) return 0; + if (!src->cnt_data && diff_populate_filespec(src, 0)) + return 0; + if (!dst->cnt_data && diff_populate_filespec(dst, 0)) + return 0; + delta_limit = (unsigned long) (base_size * (MAX_SCORE-minimum_score) / MAX_SCORE); if (diffcore_count_changes(src, dst, @@ -75,7 +75,7 @@ static int match_one(const char *match, const char *name, int namelen) for (;;) { unsigned char c1 = *match; unsigned char c2 = *name; - if (isspecial(c1)) + if (c1 == '\0' || is_glob_special(c1)) break; if (c1 != c2) return 0; @@ -108,25 +108,28 @@ static int match_one(const char *match, const char *name, int namelen) * and a mark is left in seen[] array for pathspec element that * actually matched anything. */ -int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen) +int match_pathspec(const char **pathspec, const char *name, int namelen, + int prefix, char *seen) { - int retval; - const char *match; + int i, retval = 0; + + if (!pathspec) + return 1; name += prefix; namelen -= prefix; - for (retval = 0; (match = *pathspec++) != NULL; seen++) { + for (i = 0; pathspec[i] != NULL; i++) { int how; - if (retval && *seen == MATCHED_EXACTLY) + const char *match = pathspec[i] + prefix; + if (seen && seen[i] == MATCHED_EXACTLY) continue; - match += prefix; how = match_one(match, name, namelen); if (how) { if (retval < how) retval = how; - if (*seen < how) - *seen = how; + if (seen && seen[i] < how) + seen[i] = how; } } return retval; @@ -585,10 +588,8 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co int len, dtype; int exclude; - if ((de->d_name[0] == '.') && - (de->d_name[1] == 0 || - !strcmp(de->d_name + 1, ".") || - !strcmp(de->d_name + 1, "git"))) + if (is_dot_or_dotdot(de->d_name) || + !strcmp(de->d_name, ".git")) continue; len = strlen(de->d_name); /* Ignore overly long pathnames! */ @@ -680,7 +681,7 @@ static int simple_length(const char *match) for (;;) { unsigned char c = *match++; len++; - if (isspecial(c)) + if (c == '\0' || is_glob_special(c)) return len; } } @@ -779,6 +780,25 @@ int is_inside_dir(const char *dir) return get_relative_cwd(buffer, sizeof(buffer), dir) != NULL; } +int is_empty_dir(const char *path) +{ + DIR *dir = opendir(path); + struct dirent *e; + int ret = 1; + + if (!dir) + return 0; + + while ((e = readdir(dir)) != NULL) + if (!is_dot_or_dotdot(e->d_name)) { + ret = 0; + break; + } + + closedir(dir); + return ret; +} + int remove_dir_recursively(struct strbuf *path, int only_empty) { DIR *dir = opendir(path->buf); @@ -793,10 +813,8 @@ int remove_dir_recursively(struct strbuf *path, int only_empty) len = path->len; while ((e = readdir(dir)) != NULL) { struct stat st; - if ((e->d_name[0] == '.') && - ((e->d_name[1] == 0) || - ((e->d_name[1] == '.') && e->d_name[2] == 0))) - continue; /* "." and ".." */ + if (is_dot_or_dotdot(e->d_name)) + continue; strbuf_setlen(path, len); strbuf_addstr(path, e->d_name); @@ -77,6 +77,15 @@ extern int file_exists(const char *); extern char *get_relative_cwd(char *buffer, int size, const char *dir); extern int is_inside_dir(const char *dir); +static inline int is_dot_or_dotdot(const char *name) +{ + return (name[0] == '.' && + (name[1] == '\0' || + (name[1] == '.' && name[2] == '\0'))); +} + +extern int is_empty_dir(const char *dir); + extern void setup_standard_excludes(struct dir_struct *dir); extern int remove_dir_recursively(struct strbuf *path, int only_empty); @@ -1,5 +1,6 @@ #include "cache.h" #include "blob.h" +#include "dir.h" static void create_directories(const char *path, const struct checkout *state) { @@ -8,35 +9,25 @@ static void create_directories(const char *path, const struct checkout *state) const char *slash = path; while ((slash = strchr(slash+1, '/')) != NULL) { - struct stat st; - int stat_status; - len = slash - path; memcpy(buf, path, len); buf[len] = 0; - if (len <= state->base_dir_len) - /* - * checkout-index --prefix=<dir>; <dir> is - * allowed to be a symlink to an existing - * directory. - */ - stat_status = stat(buf, &st); - else - /* - * if there currently is a symlink, we would - * want to replace it with a real directory. - */ - stat_status = lstat(buf, &st); - - if (!stat_status && S_ISDIR(st.st_mode)) + /* + * For 'checkout-index --prefix=<dir>', <dir> is + * allowed to be a symlink to an existing directory, + * and we set 'state->base_dir_len' below, such that + * we test the path components of the prefix with the + * stat() function instead of the lstat() function. + */ + if (has_dirs_only_path(len, buf, state->base_dir_len)) continue; /* ok, it is already a directory. */ /* - * We know stat_status == 0 means something exists - * there and this mkdir would fail, but that is an - * error codepath; we do not care, as we unlink and - * mkdir again in such a case. + * If this mkdir() would fail, it could be that there + * is already a symlink or something else exists + * there, therefore we then try to unlink it and try + * one more time to create the directory. */ if (mkdir(buf, 0777)) { if (errno == EEXIST && state->force && @@ -62,9 +53,7 @@ static void remove_subtree(const char *path) *name++ = '/'; while ((de = readdir(dir)) != NULL) { struct stat st; - if ((de->d_name[0] == '.') && - ((de->d_name[1] == 0) || - ((de->d_name[1] == '.') && de->d_name[2] == 0))) + if (is_dot_or_dotdot(de->d_name)) continue; strcpy(name, de->d_name); if (lstat(pathbuf, &st)) diff --git a/exec_cmd.c b/exec_cmd.c index cdd35f919..f234066de 100644 --- a/exec_cmd.c +++ b/exec_cmd.c @@ -9,17 +9,78 @@ static const char *argv0_path; const char *system_path(const char *path) { - if (!is_absolute_path(path) && argv0_path) { - struct strbuf d = STRBUF_INIT; - strbuf_addf(&d, "%s/%s", argv0_path, path); - path = strbuf_detach(&d, NULL); +#ifdef RUNTIME_PREFIX + static const char *prefix; +#else + static const char *prefix = PREFIX; +#endif + struct strbuf d = STRBUF_INIT; + + if (is_absolute_path(path)) + return path; + +#ifdef RUNTIME_PREFIX + assert(argv0_path); + assert(is_absolute_path(argv0_path)); + + if (!prefix) { + const char *strip[] = { + GIT_EXEC_PATH, + BINDIR, + 0 + }; + const char **s; + + for (s = strip; *s; s++) { + const char *sargv = argv0_path + strlen(argv0_path); + const char *ss = *s + strlen(*s); + while (argv0_path < sargv && *s < ss + && (*sargv == *ss || + (is_dir_sep(*sargv) && is_dir_sep(*ss)))) { + sargv--; + ss--; + } + if (*s == ss) { + struct strbuf d = STRBUF_INIT; + /* We also skip the trailing directory separator. */ + assert(sargv - argv0_path - 1 >= 0); + strbuf_add(&d, argv0_path, sargv - argv0_path - 1); + prefix = strbuf_detach(&d, NULL); + break; + } + } } + + if (!prefix) { + prefix = PREFIX; + fprintf(stderr, "RUNTIME_PREFIX requested, " + "but prefix computation failed. " + "Using static fallback '%s'.\n", prefix); + } +#endif + + strbuf_addf(&d, "%s/%s", prefix, path); + path = strbuf_detach(&d, NULL); return path; } -void git_set_argv0_path(const char *path) +const char *git_extract_argv0_path(const char *argv0) { - argv0_path = path; + const char *slash; + + if (!argv0 || !*argv0) + return NULL; + slash = argv0 + strlen(argv0); + + while (argv0 <= slash && !is_dir_sep(*slash)) + slash--; + + if (slash >= argv0) { + argv0_path = xstrndup(argv0, slash - argv0); + return slash + 1; + } + + return argv0; } void git_set_argv_exec_path(const char *exec_path) @@ -61,9 +122,7 @@ void setup_path(void) const char *old_path = getenv("PATH"); struct strbuf new_path = STRBUF_INIT; - add_path(&new_path, argv_exec_path); - add_path(&new_path, getenv(EXEC_PATH_ENVIRONMENT)); - add_path(&new_path, system_path(GIT_EXEC_PATH)); + add_path(&new_path, git_exec_path()); add_path(&new_path, argv0_path); if (old_path) diff --git a/exec_cmd.h b/exec_cmd.h index 594f96138..e2b546b61 100644 --- a/exec_cmd.h +++ b/exec_cmd.h @@ -2,8 +2,8 @@ #define GIT_EXEC_CMD_H extern void git_set_argv_exec_path(const char *exec_path); -extern void git_set_argv0_path(const char *path); -extern const char* git_exec_path(void); +extern const char *git_extract_argv0_path(const char *path); +extern const char *git_exec_path(void); extern void setup_path(void); extern const char **prepare_git_cmd(const char **argv); extern int execv_git_cmd(const char **argv); /* NULL terminated */ diff --git a/fast-import.c b/fast-import.c index f0e08aca7..1935206be 100644 --- a/fast-import.c +++ b/fast-import.c @@ -150,6 +150,7 @@ Format of STDIN stream: #include "refs.h" #include "csum-file.h" #include "quote.h" +#include "exec_cmd.h" #define PACK_ID_BITS 16 #define MAX_PACK_ID ((1<<PACK_ID_BITS)-1) @@ -2406,6 +2407,8 @@ int main(int argc, const char **argv) { unsigned int i, show_stats = 1; + git_extract_argv0_path(argv[0]); + setup_git_directory(); git_config(git_pack_config, NULL); if (!pack_compression_seen && core_compression_seen) diff --git a/git-add--interactive.perl b/git-add--interactive.perl index b0223c341..ca60356d0 100755 --- a/git-add--interactive.perl +++ b/git-add--interactive.perl @@ -800,6 +800,7 @@ y - stage this hunk n - do not stage this hunk a - stage this and all the remaining hunks in the file d - do not stage this hunk nor any of the remaining hunks in the file +g - select a hunk to go to j - leave this hunk undecided, see next undecided hunk J - leave this hunk undecided, see next hunk k - leave this hunk undecided, see previous undecided hunk @@ -836,6 +837,47 @@ sub patch_update_cmd { } } +# Generate a one line summary of a hunk. +sub summarize_hunk { + my $rhunk = shift; + my $summary = $rhunk->{TEXT}[0]; + + # Keep the line numbers, discard extra context. + $summary =~ s/@@(.*?)@@.*/$1 /s; + $summary .= " " x (20 - length $summary); + + # Add some user context. + for my $line (@{$rhunk->{TEXT}}) { + if ($line =~ m/^[+-].*\w/) { + $summary .= $line; + last; + } + } + + chomp $summary; + return substr($summary, 0, 80) . "\n"; +} + + +# Print a one-line summary of each hunk in the array ref in +# the first argument, starting wih the index in the 2nd. +sub display_hunks { + my ($hunks, $i) = @_; + my $ctr = 0; + $i ||= 0; + for (; $i < @$hunks && $ctr < 20; $i++, $ctr++) { + my $status = " "; + if (defined $hunks->[$i]{USE}) { + $status = $hunks->[$i]{USE} ? "+" : "-"; + } + printf "%s%2d: %s", + $status, + $i + 1, + summarize_hunk($hunks->[$i]); + } + return $i; +} + sub patch_update_file { my ($ix, $num); my $path = shift; @@ -904,6 +946,9 @@ sub patch_update_file { if ($ix < $num - 1) { $other .= '/J'; } + if ($num > 1) { + $other .= '/g'; + } for ($i = 0; $i < $num; $i++) { if (!defined $hunk[$i]{USE}) { $undecided = 1; @@ -937,6 +982,28 @@ sub patch_update_file { } next; } + elsif ($other =~ /g/ && $line =~ /^g(.*)/) { + my $response = $1; + my $no = $ix > 10 ? $ix - 10 : 0; + while ($response eq '') { + my $extra = ""; + $no = display_hunks(\@hunk, $no); + if ($no < $num) { + $extra = " (<ret> to see more)"; + } + print "go to which hunk$extra? "; + $response = <STDIN>; + chomp $response; + } + if ($response !~ /^\s*\d+\s*$/) { + print STDERR "Invalid number: '$response'\n"; + } elsif (0 < $response && $response <= $num) { + $ix = $response - 1; + } else { + print STDERR "Sorry, only $num hunks available.\n"; + } + next; + } elsif ($line =~ /^d/i) { while ($ix < $num) { if (!defined $hunk[$ix]{USE}) { @@ -8,21 +8,22 @@ OPTIONS_SPEC="\ git am [options] [<mbox>|<Maildir>...] git am [options] (--resolved | --skip | --abort) -- -d,dotest= (removed -- do not use) i,interactive run interactively -b,binary (historical option -- no-op) +b,binary* (historical option -- no-op) 3,3way allow fall back on 3way merging if needed s,signoff add a Signed-off-by line to the commit message u,utf8 recode into utf8 (default) k,keep pass -k flag to git-mailinfo whitespace= pass it through git-apply +directory= pass it through git-apply C= pass it through git-apply p= pass it through git-apply +reject pass it through git-apply resolvemsg= override error message when patch failure occurs r,resolved to be used after a patch failure skip skip the current patch abort restore the original branch and abort the patching operation. -rebasing (internal use for git-rebase)" +rebasing* (internal use for git-rebase)" . git-sh-setup prefix=$(git rev-parse --show-prefix) @@ -33,6 +34,14 @@ cd_to_toplevel git var GIT_COMMITTER_IDENT >/dev/null || die "You need to set your committer info first" +sq () { + for sqarg + do + printf "%s" "$sqarg" | + sed -e 's/'\''/'\''\\'\'''\''/g' -e 's/.*/ '\''&'\''/' + done +} + stop_here () { echo "$1" >"$dotest/next" exit 1 @@ -155,10 +164,12 @@ do ;; --resolvemsg) shift; resolvemsg=$1 ;; - --whitespace) - git_apply_opt="$git_apply_opt $1=$2"; shift ;; + --whitespace|--directory) + git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;; -C|-p) - git_apply_opt="$git_apply_opt $1$2"; shift ;; + git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;; + --reject) + git_apply_opt="$git_apply_opt $1" ;; --) shift; break ;; *) @@ -192,7 +203,7 @@ then # unreliable -- stdin could be /dev/null for example # and the caller did not intend to feed us a patch but # wanted to continue unattended. - tty -s + test -t 0 ;; *) false @@ -268,10 +279,7 @@ fi case "$resolved" in '') files=$(git diff-index --cached --name-only HEAD --) || exit - if [ "$files" ]; then - echo "Dirty index: cannot apply patches (dirty: $files)" >&2 - exit 1 - fi + test "$files" && die "Dirty index: cannot apply patches (dirty: $files)" esac if test "$(cat "$dotest/utf8")" = t @@ -459,7 +467,7 @@ do case "$resolved" in '') - git apply $git_apply_opt --index "$dotest/patch" + eval 'git apply '"$git_apply_opt"' --index "$dotest/patch"' apply_status=$? ;; t) @@ -501,7 +509,7 @@ do fi if test $apply_status != 0 then - echo Patch failed at $msgnum. + printf 'Patch failed at %s %s\n' "$msgnum" "$FIRSTLINE" stop_here_user_resolve $this fi diff --git a/git-compat-util.h b/git-compat-util.h index e20b1e858..079cbe944 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -327,13 +327,15 @@ extern unsigned char sane_ctype[256]; #define GIT_SPACE 0x01 #define GIT_DIGIT 0x02 #define GIT_ALPHA 0x04 -#define GIT_SPECIAL 0x08 +#define GIT_GLOB_SPECIAL 0x08 +#define GIT_REGEX_SPECIAL 0x10 #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0) #define isspace(x) sane_istest(x,GIT_SPACE) #define isdigit(x) sane_istest(x,GIT_DIGIT) #define isalpha(x) sane_istest(x,GIT_ALPHA) #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) -#define isspecial(x) sane_istest(x,GIT_SPECIAL) +#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL) +#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL) #define tolower(x) sane_case((unsigned char)(x), 0x20) #define toupper(x) sane_case((unsigned char)(x), 0) diff --git a/git-cvsserver.perl b/git-cvsserver.perl index b0a805c68..ab6cea3e5 100755 --- a/git-cvsserver.perl +++ b/git-cvsserver.perl @@ -76,6 +76,7 @@ my $methods = { 'history' => \&req_CATCHALL, 'watchers' => \&req_EMPTY, 'editors' => \&req_EMPTY, + 'noop' => \&req_EMPTY, 'annotate' => \&req_annotate, 'Global_option' => \&req_Globaloption, #'annotate' => \&req_CATCHALL, @@ -1358,7 +1359,13 @@ sub req_ci # write our commit message out if we have one ... my ( $msg_fh, $msg_filename ) = tempfile( DIR => $TEMP_DIR ); print $msg_fh $state->{opt}{m};# if ( exists ( $state->{opt}{m} ) ); - print $msg_fh "\n\nvia git-CVS emulator\n"; + if ( defined ( $cfg->{gitcvs}{commitmsgannotation} ) ) { + if ($cfg->{gitcvs}{commitmsgannotation} !~ /^\s*$/ ) { + print $msg_fh "\n\n".$cfg->{gitcvs}{commitmsgannotation}."\n" + } + } else { + print $msg_fh "\n\nvia git-CVS emulator\n"; + } close $msg_fh; my $commithash = `git-commit-tree $treehash -p $parenthash < $msg_filename`; @@ -1407,14 +1414,14 @@ sub req_ci close $pipe || die "bad pipe: $! $?"; } + $updater->update(); + ### Then hooks/post-update $hook = $ENV{GIT_DIR}.'hooks/post-update'; if (-x $hook) { system($hook, "refs/heads/$state->{module}"); } - $updater->update(); - # foreach file specified on the command line ... foreach my $filename ( @committedfiles ) { @@ -2527,12 +2534,18 @@ sub open_blob_or_die return $fh; } -# Generate a CVS author name from Git author information, by taking -# the first eight characters of the user part of the email address. +# Generate a CVS author name from Git author information, by taking the local +# part of the email address and replacing characters not in the Portable +# Filename Character Set (see IEEE Std 1003.1-2001, 3.276) by underscores. CVS +# Login names are Unix login names, which should be restricted to this +# character set. sub cvs_author { my $author_line = shift; - (my $author) = $author_line =~ /<([^>@]{1,8})/; + (my $author) = $author_line =~ /<([^@>]*)/; + + $author =~ s/[^-a-zA-Z0-9_.]/_/g; + $author =~ s/^-/_/; $author; } diff --git a/git-filter-branch.sh b/git-filter-branch.sh index c106f45af..eb62f719b 100755 --- a/git-filter-branch.sh +++ b/git-filter-branch.sh @@ -40,6 +40,16 @@ skip_commit() done; } +# if you run 'git_commit_non_empty_tree "$@"' in a commit filter, +# it will skip commits that leave the tree untouched, commit the other. +git_commit_non_empty_tree() +{ + if test $# = 3 && test "$1" = $(git rev-parse "$3^{tree}"); then + map "$3" + else + git commit-tree "$@" + fi +} # override die(): this version puts in an extra line break, so that # the progress is still visible @@ -109,11 +119,12 @@ filter_tree= filter_index= filter_parent= filter_msg=cat -filter_commit='git commit-tree "$@"' +filter_commit= filter_tag_name= filter_subdir= orig_namespace=refs/original/ force= +prune_empty= while : do case "$1" in @@ -126,6 +137,11 @@ do force=t continue ;; + --prune-empty) + shift + prune_empty=t + continue + ;; -*) ;; *) @@ -176,6 +192,17 @@ do esac done +case "$prune_empty,$filter_commit" in +,) + filter_commit='git commit-tree "$@"';; +t,) + filter_commit="$functions;"' git_commit_non_empty_tree "$@"';; +,*) + ;; +*) + die "Cannot set --prune-empty and --filter-commit at the same time" +esac + case "$force" in t) rm -rf "$tempdir" diff --git a/git-mergetool.sh b/git-mergetool.sh index d4078a6af..09f3a1068 100755 --- a/git-mergetool.sh +++ b/git-mergetool.sh @@ -8,7 +8,7 @@ # at the discretion of Junio C Hamano. # -USAGE='[--tool=tool] [file to merge] ...' +USAGE='[--tool=tool] [-y|--no-prompt|--prompt] [file to merge] ...' SUBDIRECTORY_OK=Yes OPTIONS_SPEC= . git-sh-setup @@ -70,16 +70,16 @@ resolve_symlink_merge () { git checkout-index -f --stage=2 -- "$MERGED" git add -- "$MERGED" cleanup_temp_files --save-backup - return + return 0 ;; [rR]*) git checkout-index -f --stage=3 -- "$MERGED" git add -- "$MERGED" cleanup_temp_files --save-backup - return + return 0 ;; [aA]*) - exit 1 + return 1 ;; esac done @@ -97,15 +97,15 @@ resolve_deleted_merge () { [mMcC]*) git add -- "$MERGED" cleanup_temp_files --save-backup - return + return 0 ;; [dD]*) git rm -- "$MERGED" > /dev/null cleanup_temp_files - return + return 0 ;; [aA]*) - exit 1 + return 1 ;; esac done @@ -137,7 +137,7 @@ merge_file () { else echo "$MERGED: file does not need merging" fi - exit 1 + return 1 fi ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')" @@ -176,8 +176,10 @@ merge_file () { echo "Normal merge conflict for '$MERGED':" describe_file "$local_mode" "local" "$LOCAL" describe_file "$remote_mode" "remote" "$REMOTE" - printf "Hit return to start merge resolution tool (%s): " "$merge_tool" - read ans + if "$prompt" = true; then + printf "Hit return to start merge resolution tool (%s): " "$merge_tool" + read ans + fi case "$merge_tool" in kdiff3) @@ -198,14 +200,19 @@ merge_file () { fi status=$? ;; - meld|vimdiff) + meld) touch "$BACKUP" "$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE" check_unchanged ;; + vimdiff) + touch "$BACKUP" + "$merge_tool_path" -c "wincmd l" "$LOCAL" "$MERGED" "$REMOTE" + check_unchanged + ;; gvimdiff) touch "$BACKUP" - "$merge_tool_path" -f "$LOCAL" "$MERGED" "$REMOTE" + "$merge_tool_path" -c "wincmd l" -f "$LOCAL" "$MERGED" "$REMOTE" check_unchanged ;; xxdiff) @@ -267,7 +274,12 @@ merge_file () { if test "$status" -ne 0; then echo "merge of $MERGED failed" 1>&2 mv -- "$BACKUP" "$MERGED" - exit 1 + + if test "$merge_keep_temporaries" = "false"; then + cleanup_temp_files + fi + + return 1 fi if test "$merge_keep_backup" = "true"; then @@ -278,8 +290,11 @@ merge_file () { git add -- "$MERGED" cleanup_temp_files + return 0 } +prompt=$(git config --bool mergetool.prompt || echo true) + while test $# != 0 do case "$1" in @@ -295,6 +310,12 @@ do shift ;; esac ;; + -y|--no-prompt) + prompt=false + ;; + --prompt) + prompt=true + ;; --) shift break @@ -341,6 +362,22 @@ init_merge_tool_path() { fi } +prompt_after_failed_merge() { + while true; do + printf "Continue merging other unresolved paths (y/n) ? " + read ans + case "$ans" in + + [yY]*) + return 0 + ;; + + [nN]*) + return 1 + ;; + esac + done +} if test -z "$merge_tool"; then merge_tool=`git config merge.tool` @@ -353,21 +390,19 @@ fi if test -z "$merge_tool" ; then if test -n "$DISPLAY"; then - merge_tool_candidates="kdiff3 tkdiff xxdiff meld gvimdiff" if test -n "$GNOME_DESKTOP_SESSION_ID" ; then - merge_tool_candidates="meld $merge_tool_candidates" - fi - if test "$KDE_FULL_SESSION" = "true"; then - merge_tool_candidates="kdiff3 $merge_tool_candidates" + merge_tool_candidates="meld kdiff3 tkdiff xxdiff gvimdiff" + else + merge_tool_candidates="kdiff3 tkdiff xxdiff meld gvimdiff" fi fi if echo "${VISUAL:-$EDITOR}" | grep 'emacs' > /dev/null 2>&1; then - merge_tool_candidates="$merge_tool_candidates emerge" - fi - if echo "${VISUAL:-$EDITOR}" | grep 'vim' > /dev/null 2>&1; then - merge_tool_candidates="$merge_tool_candidates vimdiff" + merge_tool_candidates="$merge_tool_candidates emerge opendiff vimdiff" + elif echo "${VISUAL:-$EDITOR}" | grep 'vim' > /dev/null 2>&1; then + merge_tool_candidates="$merge_tool_candidates vimdiff opendiff emerge" + else + merge_tool_candidates="$merge_tool_candidates opendiff emerge vimdiff" fi - merge_tool_candidates="$merge_tool_candidates opendiff emerge vimdiff" echo "merge tool candidates: $merge_tool_candidates" for i in $merge_tool_candidates; do init_merge_tool_path $i @@ -389,6 +424,7 @@ else init_merge_tool_path "$merge_tool" merge_keep_backup="$(git config --bool merge.keepBackup || echo true)" + merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)" if test -z "$merge_tool_cmd" && ! type "$merge_tool_path" > /dev/null 2>&1; then echo "The merge tool $merge_tool is not available as '$merge_tool_path'" @@ -400,27 +436,44 @@ else fi fi +last_status=0 +rollup_status=0 if test $# -eq 0 ; then - files=`git ls-files -u | sed -e 's/^[^ ]* //' | sort -u` - if test -z "$files" ; then - echo "No files need merging" - exit 0 + files=`git ls-files -u | sed -e 's/^[^ ]* //' | sort -u` + if test -z "$files" ; then + echo "No files need merging" + exit 0 + fi + echo Merging the files: "$files" + git ls-files -u | + sed -e 's/^[^ ]* //' | + sort -u | + while IFS= read i + do + if test $last_status -ne 0; then + prompt_after_failed_merge < /dev/tty || exit 1 fi - echo Merging the files: "$files" - git ls-files -u | - sed -e 's/^[^ ]* //' | - sort -u | - while IFS= read i - do - printf "\n" - merge_file "$i" < /dev/tty > /dev/tty - done + printf "\n" + merge_file "$i" < /dev/tty > /dev/tty + last_status=$? + if test $last_status -ne 0; then + rollup_status=1 + fi + done else - while test $# -gt 0; do - printf "\n" - merge_file "$1" - shift - done + while test $# -gt 0; do + if test $last_status -ne 0; then + prompt_after_failed_merge || exit 1 + fi + printf "\n" + merge_file "$1" + last_status=$? + if test $last_status -ne 0; then + rollup_status=1 + fi + shift + done fi -exit 0 + +exit $rollup_status diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh index 8ed224481..3dc659dd5 100755 --- a/git-rebase--interactive.sh +++ b/git-rebase--interactive.sh @@ -27,6 +27,7 @@ continue continue rebasing process abort abort rebasing process and restore original branch skip skip current patch and continue rebasing process no-verify override pre-rebase hook from stopping the operation +root rebase all reachable commmits up to the root(s) " . git-sh-setup @@ -44,6 +45,7 @@ STRATEGY= ONTO= VERBOSE= OK_TO_SKIP_PRE_REBASE= +REBASE_ROOT= GIT_CHERRY_PICK_HELP=" After resolving the conflicts, mark the corrected paths with 'git add <paths>', and @@ -154,6 +156,11 @@ pick_one () { output git rev-parse --verify $sha1 || die "Invalid commit name: $sha1" test -d "$REWRITTEN" && pick_one_preserving_merges "$@" && return + if test ! -z "$REBASE_ROOT" + then + output git cherry-pick "$@" + return + fi parent_sha1=$(git rev-parse --verify $sha1^) || die "Could not get the parent of $sha1" current_sha1=$(git rev-parse --verify HEAD) @@ -197,7 +204,11 @@ pick_one_preserving_merges () { # rewrite parents; if none were rewritten, we can fast-forward. new_parents= - pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-)" + pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)" + if test "$pend" = " " + then + pend=" root" + fi while [ "$pend" != "" ] do p=$(expr "$pend" : ' \([^ ]*\)') @@ -227,7 +238,9 @@ pick_one_preserving_merges () { if test -f "$DROPPED"/$p then fast_forward=f - pend=" $(cat "$DROPPED"/$p)$pend" + replacement="$(cat "$DROPPED"/$p)" + test -z "$replacement" && replacement=root + pend=" $replacement$pend" else new_parents="$new_parents $p" fi @@ -360,17 +373,15 @@ do_next () { pick_one -n $sha1 || failed=t case "$(peek_next_command)" in squash|s) - EDIT_COMMIT= USE_OUTPUT=output MSG_OPT=-F - MSG_FILE="$MSG" + EDIT_OR_FILE="$MSG" cp "$MSG" "$SQUASH_MSG" ;; *) - EDIT_COMMIT=-e USE_OUTPUT= MSG_OPT= - MSG_FILE= + EDIT_OR_FILE=-e rm -f "$SQUASH_MSG" || exit cp "$MSG" "$GIT_DIR"/SQUASH_MSG rm -f "$GIT_DIR"/MERGE_MSG || exit @@ -384,7 +395,8 @@ do_next () { GIT_AUTHOR_NAME="$GIT_AUTHOR_NAME" \ GIT_AUTHOR_EMAIL="$GIT_AUTHOR_EMAIL" \ GIT_AUTHOR_DATE="$GIT_AUTHOR_DATE" \ - $USE_OUTPUT git commit --no-verify $MSG_OPT "$MSG_FILE" $EDIT_COMMIT || failed=t + $USE_OUTPUT git commit --no-verify \ + $MSG_OPT "$EDIT_OR_FILE" || failed=t fi if test $failed = t then @@ -443,6 +455,7 @@ get_saved_options () { test -d "$REWRITTEN" && PRESERVE_MERGES=t test -f "$DOTEST"/strategy && STRATEGY="$(cat "$DOTEST"/strategy)" test -f "$DOTEST"/verbose && VERBOSE=t + test -f "$DOTEST"/rebase-root && REBASE_ROOT=t } while test $# != 0 @@ -547,6 +560,9 @@ first and then run 'git rebase --continue' again." -i) # yeah, we know ;; + --root) + REBASE_ROOT=t + ;; --onto) shift ONTO=$(git rev-parse --verify "$1") || @@ -554,27 +570,38 @@ first and then run 'git rebase --continue' again." ;; --) shift - run_pre_rebase_hook ${1+"$@"} - test $# -eq 1 -o $# -eq 2 || usage + test -z "$REBASE_ROOT" -a $# -ge 1 -a $# -le 2 || + test ! -z "$REBASE_ROOT" -a $# -le 1 || usage test -d "$DOTEST" && die "Interactive rebase already started" git var GIT_COMMITTER_IDENT >/dev/null || die "You need to set your committer info first" + if test -z "$REBASE_ROOT" + then + UPSTREAM_ARG="$1" + UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base" + test -z "$ONTO" && ONTO=$UPSTREAM + shift + else + UPSTREAM= + UPSTREAM_ARG=--root + test -z "$ONTO" && + die "You must specify --onto when using --root" + fi + run_pre_rebase_hook "$UPSTREAM_ARG" "$@" + comment_for_reflog start require_clean_work_tree - UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base" - test -z "$ONTO" && ONTO=$UPSTREAM - - if test ! -z "$2" + if test ! -z "$1" then - output git show-ref --verify --quiet "refs/heads/$2" || - die "Invalid branchname: $2" - output git checkout "$2" || - die "Could not checkout $2" + output git show-ref --verify --quiet "refs/heads/$1" || + die "Invalid branchname: $1" + output git checkout "$1" || + die "Could not checkout $1" fi HEAD=$(git rev-parse --verify HEAD) || die "No HEAD?" @@ -585,7 +612,12 @@ first and then run 'git rebase --continue' again." echo "detached HEAD" > "$DOTEST"/head-name echo $HEAD > "$DOTEST"/head - echo $UPSTREAM > "$DOTEST"/upstream + case "$REBASE_ROOT" in + '') + rm -f "$DOTEST"/rebase-root ;; + *) + : >"$DOTEST"/rebase-root ;; + esac echo $ONTO > "$DOTEST"/onto test -z "$STRATEGY" || echo "$STRATEGY" > "$DOTEST"/strategy test t = "$VERBOSE" && : > "$DOTEST"/verbose @@ -598,12 +630,19 @@ first and then run 'git rebase --continue' again." # This ensures that commits on merged, but otherwise # unrelated side branches are left alone. (Think "X" # in the man page's example.) - mkdir "$REWRITTEN" && - for c in $(git merge-base --all $HEAD $UPSTREAM) - do - echo $ONTO > "$REWRITTEN"/$c || + if test -z "$REBASE_ROOT" + then + mkdir "$REWRITTEN" && + for c in $(git merge-base --all $HEAD $UPSTREAM) + do + echo $ONTO > "$REWRITTEN"/$c || + die "Could not init rewritten commits" + done + else + mkdir "$REWRITTEN" && + echo $ONTO > "$REWRITTEN"/root || die "Could not init rewritten commits" - done + fi # No cherry-pick because our first pass is to determine # parents to rewrite and skipping dropped commits would # prematurely end our probe @@ -613,12 +652,21 @@ first and then run 'git rebase --continue' again." MERGES_OPTION="--no-merges --cherry-pick" fi - SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM) SHORTHEAD=$(git rev-parse --short $HEAD) SHORTONTO=$(git rev-parse --short $ONTO) + if test -z "$REBASE_ROOT" + # this is now equivalent to ! -z "$UPSTREAM" + then + SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM) + REVISIONS=$UPSTREAM...$HEAD + SHORTREVISIONS=$SHORTUPSTREAM..$SHORTHEAD + else + REVISIONS=$ONTO...$HEAD + SHORTREVISIONS=$SHORTHEAD + fi git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \ --abbrev=7 --reverse --left-right --topo-order \ - $UPSTREAM...$HEAD | \ + $REVISIONS | \ sed -n "s/^>//p" | while read shortsha1 rest do if test t != "$PRESERVE_MERGES" @@ -626,14 +674,19 @@ first and then run 'git rebase --continue' again." echo "pick $shortsha1 $rest" >> "$TODO" else sha1=$(git rev-parse $shortsha1) - preserve=t - for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-) - do - if test -f "$REWRITTEN"/$p -a \( $p != $UPSTREAM -o $sha1 = $first_after_upstream \) - then - preserve=f - fi - done + if test -z "$REBASE_ROOT" + then + preserve=t + for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-) + do + if test -f "$REWRITTEN"/$p -a \( $p != $UPSTREAM -o $sha1 = $first_after_upstream \) + then + preserve=f + fi + done + else + preserve=f + fi if test f = "$preserve" then touch "$REWRITTEN"/$sha1 @@ -647,11 +700,11 @@ first and then run 'git rebase --continue' again." then mkdir "$DROPPED" # Save all non-cherry-picked changes - git rev-list $UPSTREAM...$HEAD --left-right --cherry-pick | \ + git rev-list $REVISIONS --left-right --cherry-pick | \ sed -n "s/^>//p" > "$DOTEST"/not-cherry-picks # Now all commits and note which ones are missing in # not-cherry-picks and hence being dropped - git rev-list $UPSTREAM..$HEAD | + git rev-list $REVISIONS | while read rev do if test -f "$REWRITTEN"/$rev -a "$(grep "$rev" "$DOTEST"/not-cherry-picks)" = "" @@ -660,17 +713,18 @@ first and then run 'git rebase --continue' again." # not worthwhile, we don't want to track its multiple heads, # just the history of its first-parent for others that will # be rebasing on top of it - git rev-list --parents -1 $rev | cut -d' ' -f2 > "$DROPPED"/$rev + git rev-list --parents -1 $rev | cut -d' ' -s -f2 > "$DROPPED"/$rev short=$(git rev-list -1 --abbrev-commit --abbrev=7 $rev) grep -v "^[a-z][a-z]* $short" <"$TODO" > "${TODO}2" ; mv "${TODO}2" "$TODO" rm "$REWRITTEN"/$rev fi done fi + test -s "$TODO" || echo noop >> "$TODO" cat >> "$TODO" << EOF -# Rebase $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO +# Rebase $SHORTREVISIONS onto $SHORTONTO # # Commands: # p, pick = use commit diff --git a/git-rebase.sh b/git-rebase.sh index ebd4df3a0..6d3eddbad 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -3,7 +3,7 @@ # Copyright (c) 2005 Junio C Hamano. # -USAGE='[--interactive | -i] [-v] [--onto <newbase>] <upstream> [<branch>]' +USAGE='[--interactive | -i] [-v] [--onto <newbase>] [<upstream>|--root] [<branch>]' LONG_USAGE='git-rebase replaces <branch> with a new branch of the same name. When the --onto option is provided the new branch starts out with a HEAD equal to <newbase>, otherwise it is equal to <upstream> @@ -47,6 +47,7 @@ dotest="$GIT_DIR"/rebase-merge prec=4 verbose= git_am_opt= +rebase_root= continue_merge () { test -n "$prev_head" || die "prev_head must be defined" @@ -297,6 +298,9 @@ do -C*) git_am_opt="$git_am_opt $1" ;; + --root) + rebase_root=t + ;; -*) usage ;; @@ -344,17 +348,29 @@ case "$diff" in ;; esac -# The upstream head must be given. Make sure it is valid. -upstream_name="$1" -upstream=`git rev-parse --verify "${upstream_name}^0"` || - die "invalid upstream $upstream_name" +if test -z "$rebase_root" +then + # The upstream head must be given. Make sure it is valid. + upstream_name="$1" + shift + upstream=`git rev-parse --verify "${upstream_name}^0"` || + die "invalid upstream $upstream_name" + unset root_flag + upstream_arg="$upstream_name" +else + test -z "$newbase" && die "--root must be used with --onto" + unset upstream_name + unset upstream + root_flag="--root" + upstream_arg="$root_flag" +fi # Make sure the branch to rebase onto is valid. onto_name=${newbase-"$upstream_name"} onto=$(git rev-parse --verify "${onto_name}^0") || exit # If a hook exists, give it a chance to interrupt -run_pre_rebase_hook ${1+"$@"} +run_pre_rebase_hook "$upstream_arg" "$@" # If the branch to rebase is given, that is the branch we will rebase # $branch_name -- branch being rebased, or HEAD (already detached) @@ -362,16 +378,16 @@ run_pre_rebase_hook ${1+"$@"} # $head_name -- refs/heads/<that-branch> or "detached HEAD" switch_to= case "$#" in -2) +1) # Is it "rebase other $branchname" or "rebase other $commit"? - branch_name="$2" - switch_to="$2" + branch_name="$1" + switch_to="$1" - if git show-ref --verify --quiet -- "refs/heads/$2" && - branch=$(git rev-parse -q --verify "refs/heads/$2") + if git show-ref --verify --quiet -- "refs/heads/$1" && + branch=$(git rev-parse -q --verify "refs/heads/$1") then - head_name="refs/heads/$2" - elif branch=$(git rev-parse -q --verify "$2") + head_name="refs/heads/$1" + elif branch=$(git rev-parse -q --verify "$1") then head_name="detached HEAD" else @@ -393,7 +409,8 @@ case "$#" in esac orig_head=$branch -# Now we are rebasing commits $upstream..$branch on top of $onto +# Now we are rebasing commits $upstream..$branch (or with --root, +# everything leading up to $branch) on top of $onto # Check if we are already based on $onto with linear history, # but this should be done only when upstream and onto are the same. @@ -429,10 +446,17 @@ then exit 0 fi +if test -n "$rebase_root" +then + revisions="$onto..$orig_head" +else + revisions="$upstream..$orig_head" +fi + if test -z "$do_merge" then git format-patch -k --stdout --full-index --ignore-if-in-upstream \ - "$upstream..$orig_head" | + $root_flag "$revisions" | git am $git_am_opt --rebasing --resolvemsg="$RESOLVEMSG" && move_to_original_branch ret=$? @@ -455,7 +479,7 @@ echo "$orig_head" > "$dotest/orig-head" echo "$head_name" > "$dotest/head-name" msgnum=0 -for cmt in `git rev-list --reverse --no-merges "$upstream..$orig_head"` +for cmt in `git rev-list --reverse --no-merges "$revisions"` do msgnum=$(($msgnum + 1)) echo "$cmt" > "$dotest/cmt.$msgnum" diff --git a/git-sh-setup.sh b/git-sh-setup.sh index f07d96b9b..2142308bc 100755 --- a/git-sh-setup.sh +++ b/git-sh-setup.sh @@ -96,7 +96,7 @@ cd_to_toplevel () { ..|../*|*/..|*/../*) # Interpret $cdup relative to the physical, not logical, cwd. # Probably /bin/pwd is more portable than passing -P to cd or pwd. - phys="$(/bin/pwd)/$cdup" + phys="$(unset PWD; /bin/pwd)/$cdup" ;; *) # There's no "..", so no need to make things absolute. diff --git a/git-svn.perl b/git-svn.perl index ad01e182d..79888a05c 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -70,7 +70,8 @@ my ($_stdin, $_help, $_edit, $Git::SVN::_follow_parent = 1; my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username, 'config-dir=s' => \$Git::SVN::Ra::config_dir, - 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache ); + 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache, + 'ignore-paths=s' => \$SVN::Git::Fetcher::_ignore_regex ); my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent, 'authors-file|A=s' => \$_authors, 'repack:i' => \$Git::SVN::_repack, @@ -84,6 +85,7 @@ my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent, \$Git::SVN::_repack_flags, 'use-log-author' => \$Git::SVN::_use_log_author, 'add-author-from' => \$Git::SVN::_add_author_from, + 'localtime' => \$Git::SVN::_localtime, %remote_opts ); my ($_trunk, $_tags, $_branches, $_stdlayout); @@ -911,7 +913,8 @@ sub cmd_info { if ($@) { $result .= "Repository Root: (offline)\n"; } - $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A"; + $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" && + ($SVN::Core::VERSION le '1.5.4' || $file_type ne "dir"); $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n"; $result .= "Node Kind: " . @@ -1364,7 +1367,7 @@ use constant rev_map_fmt => 'NH40'; use vars qw/$default_repo_id $default_ref_id $_no_metadata $_follow_parent $_repack $_repack_flags $_use_svm_props $_head $_use_svnsync_props $no_reuse_existing $_minimize_url - $_use_log_author $_add_author_from/; + $_use_log_author $_add_author_from $_localtime/; use Carp qw/croak/; use File::Path qw/mkpath/; use File::Copy qw/copy/; @@ -2526,12 +2529,61 @@ sub get_untracked { \@out; } +# parse_svn_date(DATE) +# -------------------- +# Given a date (in UTC) from Subversion, return a string in the format +# "<TZ Offset> <local date/time>" that Git will use. +# +# By default the parsed date will be in UTC; if $Git::SVN::_localtime +# is true we'll convert it to the local timezone instead. sub parse_svn_date { my $date = shift || return '+0000 1970-01-01 00:00:00'; my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T (\d\d)\:(\d\d)\:(\d\d).\d+Z$/x) or croak "Unable to parse date: $date\n"; - "+0000 $Y-$m-$d $H:$M:$S"; + my $parsed_date; # Set next. + + if ($Git::SVN::_localtime) { + # Translate the Subversion datetime to an epoch time. + # Begin by switching ourselves to $date's timezone, UTC. + my $old_env_TZ = $ENV{TZ}; + $ENV{TZ} = 'UTC'; + + my $epoch_in_UTC = + POSIX::strftime('%s', $S, $M, $H, $d, $m - 1, $Y - 1900); + + # Determine our local timezone (including DST) at the + # time of $epoch_in_UTC. $Git::SVN::Log::TZ stored the + # value of TZ, if any, at the time we were run. + if (defined $Git::SVN::Log::TZ) { + $ENV{TZ} = $Git::SVN::Log::TZ; + } else { + delete $ENV{TZ}; + } + + my $our_TZ = + POSIX::strftime('%Z', $S, $M, $H, $d, $m - 1, $Y - 1900); + + # This converts $epoch_in_UTC into our local timezone. + my ($sec, $min, $hour, $mday, $mon, $year, + $wday, $yday, $isdst) = localtime($epoch_in_UTC); + + $parsed_date = sprintf('%s %04d-%02d-%02d %02d:%02d:%02d', + $our_TZ, $year + 1900, $mon + 1, + $mday, $hour, $min, $sec); + + # Reset us to the timezone in effect when we entered + # this routine. + if (defined $old_env_TZ) { + $ENV{TZ} = $old_env_TZ; + } else { + delete $ENV{TZ}; + } + } else { + $parsed_date = "+0000 $Y-$m-$d $H:$M:$S"; + } + + return $parsed_date; } sub check_author { @@ -3194,13 +3246,17 @@ use warnings; use Carp qw/croak/; use File::Temp qw/tempfile/; use IO::File qw//; +use vars qw/$_ignore_regex/; # file baton members: path, mode_a, mode_b, pool, fh, blob, base sub new { my ($class, $git_svn) = @_; my $self = SVN::Delta::Editor->new; bless $self, $class; - $self->{c} = $git_svn->{last_commit} if exists $git_svn->{last_commit}; + if (exists $git_svn->{last_commit}) { + $self->{c} = $git_svn->{last_commit}; + $self->{empty_symlinks} = _mark_empty_symlinks($git_svn); + } $self->{empty} = {}; $self->{dir_prop} = {}; $self->{file_prop} = {}; @@ -3210,6 +3266,48 @@ sub new { $self; } +# this uses the Ra object, so it must be called before do_{switch,update}, +# not inside them (when the Git::SVN::Fetcher object is passed) to +# do_{switch,update} +sub _mark_empty_symlinks { + my ($git_svn) = @_; + my %ret; + my ($rev, $cmt) = $git_svn->last_rev_commit; + return {} unless ($rev && $cmt); + + chomp(my $empty_blob = `git hash-object -t blob --stdin < /dev/null`); + my ($ls, $ctx) = command_output_pipe(qw/ls-tree -r -z/, $cmt); + local $/ = "\0"; + my $pfx = $git_svn->{path}; + $pfx .= '/' if length($pfx); + while (<$ls>) { + chomp; + s/\A100644 blob $empty_blob\t//o or next; + my $path = $_; + my (undef, $props) = + $git_svn->ra->get_file($pfx.$path, $rev, undef); + if ($props->{'svn:special'}) { + $ret{$path} = 1; + } + } + command_close_pipe($ls, $ctx); + \%ret; +} + +# returns true if a given path is inside a ".git" directory +sub in_dot_git { + $_[0] =~ m{(?:^|/)\.git(?:/|$)}; +} + +# return value: 0 -- don't ignore, 1 -- ignore +sub is_path_ignored { + my ($path) = @_; + return 1 if in_dot_git($path); + return 0 unless defined($_ignore_regex); + return 1 if $path =~ m!$_ignore_regex!o; + return 0; +} + sub set_path_strip { my ($self, $path) = @_; $self->{path_strip} = qr/^\Q$path\E(\/|$)/ if length $path; @@ -3235,6 +3333,7 @@ sub git_path { sub delete_entry { my ($self, $path, $rev, $pb) = @_; + return undef if is_path_ignored($path); my $gpath = $self->git_path($path); return undef if ($gpath eq ''); @@ -3262,26 +3361,40 @@ sub delete_entry { sub open_file { my ($self, $path, $pb, $rev) = @_; + my ($mode, $blob); + + goto out if is_path_ignored($path); + my $gpath = $self->git_path($path); - my ($mode, $blob) = (command('ls-tree', $self->{c}, '--', $gpath) + ($mode, $blob) = (command('ls-tree', $self->{c}, '--', $gpath) =~ /^(\d{6}) blob ([a-f\d]{40})\t/); unless (defined $mode && defined $blob) { die "$path was not found in commit $self->{c} (r$rev)\n"; } + if ($mode eq '100644' && $self->{empty_symlinks}->{$path}) { + $mode = '120000'; + } +out: { path => $path, mode_a => $mode, mode_b => $mode, blob => $blob, pool => SVN::Pool->new, action => 'M' }; } sub add_file { my ($self, $path, $pb, $cp_path, $cp_rev) = @_; - my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); - delete $self->{empty}->{$dir}; - { path => $path, mode_a => 100644, mode_b => 100644, + my $mode; + + if (!is_path_ignored($path)) { + my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); + delete $self->{empty}->{$dir}; + $mode = '100644'; + } + { path => $path, mode_a => $mode, mode_b => $mode, pool => SVN::Pool->new, action => 'A' }; } sub add_directory { my ($self, $path, $cp_path, $cp_rev) = @_; + goto out if is_path_ignored($path); my $gpath = $self->git_path($path); if ($gpath eq '') { my ($ls, $ctx) = command_output_pipe(qw/ls-tree @@ -3299,11 +3412,13 @@ sub add_directory { my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); delete $self->{empty}->{$dir}; $self->{empty}->{$path} = 1; +out: { path => $path }; } sub change_dir_prop { my ($self, $db, $prop, $value) = @_; + return undef if is_path_ignored($db->{path}); $self->{dir_prop}->{$db->{path}} ||= {}; $self->{dir_prop}->{$db->{path}}->{$prop} = $value; undef; @@ -3311,6 +3426,7 @@ sub change_dir_prop { sub absent_directory { my ($self, $path, $pb) = @_; + return undef if is_path_ignored($path); $self->{absent_dir}->{$pb->{path}} ||= []; push @{$self->{absent_dir}->{$pb->{path}}}, $path; undef; @@ -3318,6 +3434,7 @@ sub absent_directory { sub absent_file { my ($self, $path, $pb) = @_; + return undef if is_path_ignored($path); $self->{absent_file}->{$pb->{path}} ||= []; push @{$self->{absent_file}->{$pb->{path}}}, $path; undef; @@ -3325,6 +3442,7 @@ sub absent_file { sub change_file_prop { my ($self, $fb, $prop, $value) = @_; + return undef if is_path_ignored($fb->{path}); if ($prop eq 'svn:executable') { if ($fb->{mode_b} != 120000) { $fb->{mode_b} = defined $value ? 100755 : 100644; @@ -3340,22 +3458,43 @@ sub change_file_prop { sub apply_textdelta { my ($self, $fb, $exp) = @_; + return undef if is_path_ignored($fb->{path}); my $fh = $::_repository->temp_acquire('svn_delta'); # $fh gets auto-closed() by SVN::TxDelta::apply(), # (but $base does not,) so dup() it for reading in close_file open my $dup, '<&', $fh or croak $!; my $base = $::_repository->temp_acquire('git_blob'); + if ($fb->{blob}) { - print $base 'link ' if ($fb->{mode_a} == 120000); - my $size = $::_repository->cat_blob($fb->{blob}, $base); + my ($base_is_link, $size); + + if ($fb->{mode_a} eq '120000' && + ! $self->{empty_symlinks}->{$fb->{path}}) { + print $base 'link ' or die "print $!\n"; + $base_is_link = 1; + } + retry: + $size = $::_repository->cat_blob($fb->{blob}, $base); die "Failed to read object $fb->{blob}" if ($size < 0); if (defined $exp) { seek $base, 0, 0 or croak $!; my $got = ::md5sum($base); - die "Checksum mismatch: $fb->{path} $fb->{blob}\n", - "expected: $exp\n", - " got: $got\n" if ($got ne $exp); + if ($got ne $exp) { + my $err = "Checksum mismatch: ". + "$fb->{path} $fb->{blob}\n" . + "expected: $exp\n" . + " got: $got\n"; + if ($base_is_link) { + warn $err, + "Retrying... (possibly ", + "a bad symlink from SVN)\n"; + $::_repository->temp_reset($base); + $base_is_link = 0; + goto retry; + } + die $err; + } } } seek $base, 0, 0 or croak $!; @@ -3366,6 +3505,8 @@ sub apply_textdelta { sub close_file { my ($self, $fb, $exp) = @_; + return undef if is_path_ignored($fb->{path}); + my $hash; my $path = $self->git_path($fb->{path}); if (my $fh = $fb->{fh}) { @@ -3379,11 +3520,19 @@ sub close_file { } if ($fb->{mode_b} == 120000) { sysseek($fh, 0, 0) or croak $!; - sysread($fh, my $buf, 5) == 5 or croak $!; + my $rd = sysread($fh, my $buf, 5); - unless ($buf eq 'link ') { + if (!defined $rd) { + croak "sysread: $!\n"; + } elsif ($rd == 0) { + warn "$path has mode 120000", + " but it points to nothing\n", + "converting to an empty file with mode", + " 100644\n"; + $fb->{mode_b} = '100644'; + } elsif ($buf ne 'link ') { warn "$path has mode 120000", - " but is not a link\n"; + " but is not a link\n"; } else { my $tmp_fh = $::_repository->temp_acquire( 'svn_hash'); @@ -3883,7 +4032,8 @@ my ($ra_invalid, $can_do_switch, %ignored_err, $RA); BEGIN { # enforce temporary pool usage for some simple functions no strict 'refs'; - for my $f (qw/rev_proplist get_latest_revnum get_uuid get_repos_root/) { + for my $f (qw/rev_proplist get_latest_revnum get_uuid get_repos_root + get_file/) { my $SUPER = "SUPER::$f"; *$f = sub { my $self = shift; @@ -4019,10 +4169,23 @@ sub DESTROY { # do not call the real DESTROY since we store ourselves in $RA } +# get_log(paths, start, end, limit, +# discover_changed_paths, strict_node_history, receiver) sub get_log { my ($self, @args) = @_; my $pool = SVN::Pool->new; - splice(@args, 3, 1) if ($SVN::Core::VERSION le '1.2.0'); + + # the limit parameter was not supported in SVN 1.1.x, so we + # drop it. Therefore, the receiver callback passed to it + # is made aware of this limitation by being wrapped if + # the limit passed to is being wrapped. + if ($SVN::Core::VERSION le '1.2.0') { + my $limit = splice(@args, 3, 1); + if ($limit > 0) { + my $receiver = pop @args; + push(@args, sub { &$receiver(@_) if (--$limit >= 0) }); + } + } my $ret = $self->SUPER::get_log(@args, $pool); $pool->clear; $ret; @@ -158,7 +158,7 @@ static int handle_alias(int *argcp, const char ***argv) if (ret >= 0 && WIFEXITED(ret) && WEXITSTATUS(ret) != 127) exit(WEXITSTATUS(ret)); - die("Failed to run '%s' when expanding alias '%s'\n", + die("Failed to run '%s' when expanding alias '%s'", alias_string + 1, alias_command); } count = split_cmdline(alias_string, &new_argv); @@ -416,27 +416,38 @@ static void execv_dashed_external(const char **argv) strbuf_release(&cmd); } - -int main(int argc, const char **argv) +static int run_argv(int *argcp, const char ***argv) { - const char *cmd = argv[0] && *argv[0] ? argv[0] : "git-help"; - char *slash = (char *)cmd + strlen(cmd); int done_alias = 0; - /* - * Take the basename of argv[0] as the command - * name, and the dirname as the default exec_path - * if we don't have anything better. - */ - do - --slash; - while (cmd <= slash && !is_dir_sep(*slash)); - if (cmd <= slash) { - *slash++ = 0; - git_set_argv0_path(cmd); - cmd = slash; + while (1) { + /* See if it's an internal command */ + handle_internal_command(*argcp, *argv); + + /* .. then try the external ones */ + execv_dashed_external(*argv); + + /* It could be an alias -- this works around the insanity + * of overriding "git log" with "git show" by having + * alias.log = show + */ + if (done_alias || !handle_alias(argcp, argv)) + break; + done_alias = 1; } + return done_alias; +} + + +int main(int argc, const char **argv) +{ + const char *cmd; + + cmd = git_extract_argv0_path(argv[0]); + if (!cmd) + cmd = "git-help"; + /* * "git-xxxx" is the same as "git xxxx", but we obviously: * @@ -480,31 +491,22 @@ int main(int argc, const char **argv) setup_path(); while (1) { - /* See if it's an internal command */ - handle_internal_command(argc, argv); - - /* .. then try the external ones */ - execv_dashed_external(argv); - - /* It could be an alias -- this works around the insanity - * of overriding "git log" with "git show" by having - * alias.log = show - */ - if (done_alias || !handle_alias(&argc, &argv)) + static int done_help = 0; + static int was_alias = 0; + was_alias = run_argv(&argc, &argv); + if (errno != ENOENT) break; - done_alias = 1; - } - - if (errno == ENOENT) { - if (done_alias) { + if (was_alias) { fprintf(stderr, "Expansion of alias '%s' failed; " "'%s' is not a git-command\n", cmd, argv[0]); exit(1); } - argv[0] = help_unknown_cmd(cmd); - handle_internal_command(argc, argv); - execv_dashed_external(argv); + if (!done_help) { + cmd = argv[0] = help_unknown_cmd(cmd); + done_help = 1; + } else + break; } fprintf(stderr, "Failed to run command '%s': %s\n", diff --git a/gitweb/README b/gitweb/README index 825162a0b..52ad88b34 100644 --- a/gitweb/README +++ b/gitweb/README @@ -322,6 +322,82 @@ something like the following in your gitweb.conf (or gitweb_config.perl) file: $home_link = "/"; +PATH_INFO usage +----------------------- +If you enable PATH_INFO usage in gitweb by putting + + $feature{'pathinfo'}{'default'} = [1]; + +in your gitweb.conf, it is possible to set up your server so that it +consumes and produces URLs in the form + +http://git.example.com/project.git/shortlog/sometag + +by using a configuration such as the following, that assumes that +/var/www/gitweb is the DocumentRoot of your webserver, and that it +contains the gitweb.cgi script and complementary static files +(stylesheet, favicon): + +<VirtualHost *:80> + ServerAlias git.example.com + + DocumentRoot /var/www/gitweb + + <Directory /var/www/gitweb> + Options ExecCGI + AddHandler cgi-script cgi + + DirectoryIndex gitweb.cgi + + RewriteEngine On + RewriteCond %{REQUEST_FILENAME} !-f + RewriteCond %{REQUEST_FILENAME} !-d + RewriteRule ^.* /gitweb.cgi/$0 [L,PT] + </Directory> +</VirtualHost> + +The rewrite rule guarantees that existing static files will be properly +served, whereas any other URL will be passed to gitweb as PATH_INFO +parameter. + +Notice that in this case you don't need special settings for +@stylesheets, $my_uri and $home_link, but you lose "dumb client" access +to your project .git dirs. A possible workaround for the latter is the +following: in your project root dir (e.g. /pub/git) have the projects +named without a .git extension (e.g. /pub/git/project instead of +/pub/git/project.git) and configure Apache as follows: + +<VirtualHost *:80> + ServerAlias git.example.com + + DocumentRoot /var/www/gitweb + + AliasMatch ^(/.*?)(\.git)(/.*)? /pub/git$1$3 + <Directory /var/www/gitweb> + Options ExecCGI + AddHandler cgi-script cgi + + DirectoryIndex gitweb.cgi + + RewriteEngine On + RewriteCond %{REQUEST_FILENAME} !-f + RewriteCond %{REQUEST_FILENAME} !-d + RewriteRule ^.* /gitweb.cgi/$0 [L,PT] + </Directory> +</VirtualHost> + +The additional AliasMatch makes it so that + +http://git.example.com/project.git + +will give raw access to the project's git dir (so that the project can +be cloned), while + +http://git.example.com/project + +will provide human-friendly gitweb access. + + Originally written by: Kay Sievers <kay.sievers@vrfy.org> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index 99f71b47c..f27dbb6bf 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl @@ -203,7 +203,7 @@ our %feature = ( # $feature{'blame'}{'override'} = 1; # and in project config gitweb.blame = 0|1; 'blame' => { - 'sub' => \&feature_blame, + 'sub' => sub { feature_bool('blame', @_) }, 'override' => 0, 'default' => [0]}, @@ -241,7 +241,7 @@ our %feature = ( # $feature{'grep'}{'override'} = 1; # and in project config gitweb.grep = 0|1; 'grep' => { - 'sub' => \&feature_grep, + 'sub' => sub { feature_bool('grep', @_) }, 'override' => 0, 'default' => [1]}, @@ -255,7 +255,7 @@ our %feature = ( # $feature{'pickaxe'}{'override'} = 1; # and in project config gitweb.pickaxe = 0|1; 'pickaxe' => { - 'sub' => \&feature_pickaxe, + 'sub' => sub { feature_bool('pickaxe', @_) }, 'override' => 0, 'default' => [1]}, @@ -330,6 +330,21 @@ our %feature = ( 'ctags' => { 'override' => 0, 'default' => [0]}, + + # The maximum number of patches in a patchset generated in patch + # view. Set this to 0 or undef to disable patch view, or to a + # negative number to remove any limit. + + # To disable system wide have in $GITWEB_CONFIG + # $feature{'patches'}{'default'} = [0]; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'patches'}{'override'} = 1; + # and in project config gitweb.patches = 0|n; + # where n is the maximum number of patches allowed in a patchset. + 'patches' => { + 'sub' => \&feature_patches, + 'override' => 0, + 'default' => [16]}, ); sub gitweb_get_feature { @@ -363,16 +378,17 @@ sub gitweb_check_feature { } -sub feature_blame { - my ($val) = git_get_project_config('blame', '--bool'); +sub feature_bool { + my $key = shift; + my ($val) = git_get_project_config($key, '--bool'); if ($val eq 'true') { - return 1; + return (1); } elsif ($val eq 'false') { - return 0; + return (0); } - return $_[0]; + return ($_[0]); } sub feature_snapshot { @@ -387,25 +403,11 @@ sub feature_snapshot { return @fmts; } -sub feature_grep { - my ($val) = git_get_project_config('grep', '--bool'); +sub feature_patches { + my @val = (git_get_project_config('patches', '--int')); - if ($val eq 'true') { - return (1); - } elsif ($val eq 'false') { - return (0); - } - - return ($_[0]); -} - -sub feature_pickaxe { - my ($val) = git_get_project_config('pickaxe', '--bool'); - - if ($val eq 'true') { - return (1); - } elsif ($val eq 'false') { - return (0); + if (@val) { + return @val; } return ($_[0]); @@ -504,6 +506,8 @@ our %actions = ( "heads" => \&git_heads, "history" => \&git_history, "log" => \&git_log, + "patch" => \&git_patch, + "patches" => \&git_patches, "rss" => \&git_rss, "atom" => \&git_atom, "search" => \&git_search, @@ -830,7 +834,7 @@ sub href (%) { } my $use_pathinfo = gitweb_check_feature('pathinfo'); - if ($use_pathinfo) { + if ($use_pathinfo and defined $params{'project'}) { # try to put as many parameters as possible in PATH_INFO: # - project name # - action @@ -845,7 +849,7 @@ sub href (%) { $href =~ s,/$,,; # Then add the project name, if present - $href .= "/".esc_url($params{'project'}) if defined $params{'project'}; + $href .= "/".esc_url($params{'project'}); delete $params{'project'}; # since we destructively absorb parameters, we keep this @@ -2897,9 +2901,14 @@ sub git_header_html { <meta name="robots" content="index, nofollow"/> <title>$title</title> EOF -# print out each stylesheet that exist + # the stylesheet, favicon etc urls won't work correctly with path_info + # unless we set the appropriate base URL + if ($ENV{'PATH_INFO'}) { + print '<base href="'.esc_url($my_url).'" />\n'; + } + # print out each stylesheet that exist, providing backwards capability + # for those people who defined $stylesheet in a config file if (defined $stylesheet) { -#provides backwards capability for those people who define style sheet in a config file print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n"; } else { foreach my $stylesheet (@stylesheets) { @@ -4576,28 +4585,33 @@ sub git_tag { } sub git_blame { - my $fd; - my $ftype; - + # permissions gitweb_check_feature('blame') - or die_error(403, "Blame view not allowed"); + or die_error(403, "Blame view not allowed"); + # error checking die_error(400, "No file name given") unless $file_name; $hash_base ||= git_get_head_hash($project); - die_error(404, "Couldn't find base commit") unless ($hash_base); + die_error(404, "Couldn't find base commit") unless $hash_base; my %co = parse_commit($hash_base) or die_error(404, "Commit not found"); + my $ftype = "blob"; if (!defined $hash) { $hash = git_get_hash_by_path($hash_base, $file_name, "blob") or die_error(404, "Error looking up file"); + } else { + $ftype = git_get_type($hash); + if ($ftype !~ "blob") { + die_error(400, "Object is not a blob"); + } } - $ftype = git_get_type($hash); - if ($ftype !~ "blob") { - die_error(400, "Object is not a blob"); - } - open ($fd, "-|", git_cmd(), "blame", '-p', '--', - $file_name, $hash_base) + + # run git-blame --porcelain + open my $fd, "-|", git_cmd(), "blame", '-p', + $hash_base, '--', $file_name or die_error(500, "Open git-blame failed"); + + # page header git_header_html(); my $formats_nav = $cgi->a({-href => href(action=>"blob", -replay=>1)}, @@ -4611,42 +4625,46 @@ sub git_blame { git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); git_print_header_div('commit', esc_html($co{'title'}), $hash_base); git_print_page_path($file_name, $ftype, $hash_base); - my @rev_color = (qw(light2 dark2)); + + # page body + my @rev_color = qw(light2 dark2); my $num_colors = scalar(@rev_color); my $current_color = 0; - my $last_rev; + my %metainfo = (); + print <<HTML; <div class="page_body"> <table class="blame"> <tr><th>Commit</th><th>Line</th><th>Data</th></tr> HTML - my %metainfo = (); - while (1) { - $_ = <$fd>; - last unless defined $_; + LINE: + while (my $line = <$fd>) { + chomp $line; + # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>] + # no <lines in group> for subsequent lines in group of lines my ($full_rev, $orig_lineno, $lineno, $group_size) = - /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/; + ($line =~ /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/); if (!exists $metainfo{$full_rev}) { $metainfo{$full_rev} = {}; } my $meta = $metainfo{$full_rev}; - while (<$fd>) { - last if (s/^\t//); - if (/^(\S+) (.*)$/) { + my $data; + while ($data = <$fd>) { + chomp $data; + last if ($data =~ s/^\t//); # contents of line + if ($data =~ /^(\S+) (.*)$/) { $meta->{$1} = $2; } } - my $data = $_; - chomp $data; - my $rev = substr($full_rev, 0, 8); + my $short_rev = substr($full_rev, 0, 8); my $author = $meta->{'author'}; - my %date = parse_date($meta->{'author-time'}, - $meta->{'author-tz'}); + my %date = + parse_date($meta->{'author-time'}, $meta->{'author-tz'}); my $date = $date{'iso-tz'}; if ($group_size) { - $current_color = ++$current_color % $num_colors; + $current_color = ($current_color + 1) % $num_colors; } - print "<tr class=\"$rev_color[$current_color]\">\n"; + print "<tr id=\"l$lineno\" class=\"$rev_color[$current_color]\">\n"; if ($group_size) { print "<td class=\"sha1\""; print " title=\"". esc_html($author) . ", $date\""; @@ -4655,20 +4673,25 @@ HTML print $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)}, - esc_html($rev)); + esc_html($short_rev)); print "</td>\n"; } - open (my $dd, "-|", git_cmd(), "rev-parse", "$full_rev^") - or die_error(500, "Open git-rev-parse failed"); - my $parent_commit = <$dd>; - close $dd; - chomp($parent_commit); + my $parent_commit; + if (!exists $meta->{'parent'}) { + open (my $dd, "-|", git_cmd(), "rev-parse", "$full_rev^") + or die_error(500, "Open git-rev-parse failed"); + $parent_commit = <$dd>; + close $dd; + chomp($parent_commit); + $meta->{'parent'} = $parent_commit; + } else { + $parent_commit = $meta->{'parent'}; + } my $blamed = href(action => 'blame', file_name => $meta->{'filename'}, hash_base => $parent_commit); print "<td class=\"linenr\">"; print $cgi->a({ -href => "$blamed#l$orig_lineno", - -id => "l$lineno", -class => "linenr" }, esc_html($lineno)); print "</td>"; @@ -4679,6 +4702,8 @@ HTML print "</div>"; close $fd or print "Reading blob failed\n"; + + # page footer git_footer_html(); } @@ -4998,6 +5023,15 @@ sub git_log { my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#commitlist >= 100); + my ($patch_max) = gitweb_get_feature('patches'); + if ($patch_max) { + if ($patch_max < 0 || @commitlist <= $patch_max) { + $paging_nav .= " ⋅ " . + $cgi->a({-href => href(action=>"patches", -replay=>1)}, + "patches"); + } + } + git_header_html(); git_print_page_nav('log','', $hash,undef,undef, $paging_nav); @@ -5077,6 +5111,11 @@ sub git_commit { } @$parents ) . ')'; } + if (gitweb_check_feature('patches')) { + $formats_nav .= " | " . + $cgi->a({-href => href(action=>"patch", -replay=>1)}, + "patch"); + } if (!defined $parent) { $parent = "--root"; @@ -5353,7 +5392,14 @@ sub git_blobdiff_plain { } sub git_commitdiff { - my $format = shift || 'html'; + my %params = @_; + my $format = $params{-format} || 'html'; + + my ($patch_max) = gitweb_get_feature('patches'); + if ($format eq 'patch') { + die_error(403, "Patch view not allowed") unless $patch_max; + } + $hash ||= $hash_base || "HEAD"; my %co = parse_commit($hash) or die_error(404, "Unknown commit object"); @@ -5368,6 +5414,11 @@ sub git_commitdiff { $formats_nav = $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)}, "raw"); + if ($patch_max) { + $formats_nav .= " | " . + $cgi->a({-href => href(action=>"patch", -replay=>1)}, + "patch"); + } if (defined $hash_parent && $hash_parent ne '-c' && $hash_parent ne '--cc') { @@ -5451,7 +5502,31 @@ sub git_commitdiff { open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, '-p', $hash_parent_param, $hash, "--" or die_error(500, "Open git-diff-tree failed"); - + } elsif ($format eq 'patch') { + # For commit ranges, we limit the output to the number of + # patches specified in the 'patches' feature. + # For single commits, we limit the output to a single patch, + # diverging from the git-format-patch default. + my @commit_spec = (); + if ($hash_parent) { + if ($patch_max > 0) { + push @commit_spec, "-$patch_max"; + } + push @commit_spec, '-n', "$hash_parent..$hash"; + } else { + if ($params{-single}) { + push @commit_spec, '-1'; + } else { + if ($patch_max > 0) { + push @commit_spec, "-$patch_max"; + } + push @commit_spec, "-n"; + } + push @commit_spec, '--root', $hash; + } + open $fd, "-|", git_cmd(), "format-patch", '--encoding=utf8', + '--stdout', @commit_spec + or die_error(500, "Open git-format-patch failed"); } else { die_error(400, "Unknown commitdiff format"); } @@ -5500,6 +5575,14 @@ sub git_commitdiff { print to_utf8($line) . "\n"; } print "---\n\n"; + } elsif ($format eq 'patch') { + my $filename = basename($project) . "-$hash.patch"; + + print $cgi->header( + -type => 'text/plain', + -charset => 'utf-8', + -expires => $expires, + -content_disposition => 'inline; filename="' . "$filename" . '"'); } # write patch @@ -5521,11 +5604,25 @@ sub git_commitdiff { print <$fd>; close $fd or print "Reading git-diff-tree failed\n"; + } elsif ($format eq 'patch') { + local $/ = undef; + print <$fd>; + close $fd + or print "Reading git-format-patch failed\n"; } } sub git_commitdiff_plain { - git_commitdiff('plain'); + git_commitdiff(-format => 'plain'); +} + +# format-patch-style patches +sub git_patch { + git_commitdiff(-format => 'patch', -single=> 1); +} + +sub git_patches { + git_commitdiff(-format => 'patch'); } sub git_history { @@ -5878,6 +5975,14 @@ sub git_shortlog { $cgi->a({-href => href(-replay=>1, page=>$page+1), -accesskey => "n", -title => "Alt-n"}, "next"); } + my $patch_max = gitweb_check_feature('patches'); + if ($patch_max) { + if ($patch_max < 0 || @commitlist <= $patch_max) { + $paging_nav .= " ⋅ " . + $cgi->a({-href => href(action=>"patches", -replay=>1)}, + "patches"); + } + } git_header_html(); git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav); @@ -5915,7 +6020,25 @@ sub git_feed { } if (defined($commitlist[0])) { %latest_commit = %{$commitlist[0]}; - %latest_date = parse_date($latest_commit{'author_epoch'}); + my $latest_epoch = $latest_commit{'committer_epoch'}; + %latest_date = parse_date($latest_epoch); + my $if_modified = $cgi->http('IF_MODIFIED_SINCE'); + if (defined $if_modified) { + my $since; + if (eval { require HTTP::Date; 1; }) { + $since = HTTP::Date::str2time($if_modified); + } elsif (eval { require Time::ParseDate; 1; }) { + $since = Time::ParseDate::parsedate($if_modified, GMT => 1); + } + if (defined $since && $latest_epoch <= $since) { + print $cgi->header( + -type => $content_type, + -charset => 'utf-8', + -last_modified => $latest_date{'rfc2822'}, + -status => '304 Not Modified'); + return; + } + } print $cgi->header( -type => $content_type, -charset => 'utf-8', @@ -5974,7 +6097,24 @@ XML print "<title>$title</title>\n" . "<link>$alt_url</link>\n" . "<description>$descr</description>\n" . - "<language>en</language>\n"; + "<language>en</language>\n" . + # project owner is responsible for 'editorial' content + "<managingEditor>$owner</managingEditor>\n"; + if (defined $logo || defined $favicon) { + # prefer the logo to the favicon, since RSS + # doesn't allow both + my $img = esc_url($logo || $favicon); + print "<image>\n" . + "<url>$img</url>\n" . + "<title>$title</title>\n" . + "<link>$alt_url</link>\n" . + "</image>\n"; + } + if (%latest_date) { + print "<pubDate>$latest_date{'rfc2822'}</pubDate>\n"; + print "<lastBuildDate>$latest_date{'rfc2822'}</lastBuildDate>\n"; + } + print "<generator>gitweb v.$version/$git_version</generator>\n"; } elsif ($format eq 'atom') { print <<XML; <feed xmlns="http://www.w3.org/2005/Atom"> @@ -6001,6 +6141,7 @@ XML } else { print "<updated>$latest_date{'iso-8601'}</updated>\n"; } + print "<generator version='$version/$git_version'>gitweb</generator>\n"; } # contents @@ -6122,7 +6263,11 @@ sub git_atom { sub git_opml { my @list = git_get_projects_list(); - print $cgi->header(-type => 'text/xml', -charset => 'utf-8'); + print $cgi->header( + -type => 'text/xml', + -charset => 'utf-8', + -content_disposition => 'inline; filename="opml.xml"'); + print <<XML; <?xml version="1.0" encoding="utf-8"?> <opml version="1.0"> @@ -6146,8 +6291,8 @@ XML } my $path = esc_html(chop_str($proj{'path'}, 25, 5)); - my $rss = "$my_url?p=$proj{'path'};a=rss"; - my $html = "$my_url?p=$proj{'path'};a=summary"; + my $rss = href('project' => $proj{'path'}, 'action' => 'rss', -full => 1); + my $html = href('project' => $proj{'path'}, 'action' => 'summary', -full => 1); print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n"; } print <<XML; @@ -28,9 +28,25 @@ void append_grep_pattern(struct grep_opt *opt, const char *pat, p->next = NULL; } +static int is_fixed(const char *s) +{ + while (*s && !is_regex_special(*s)) + s++; + return !*s; +} + static void compile_regexp(struct grep_pat *p, struct grep_opt *opt) { - int err = regcomp(&p->regexp, p->pattern, opt->regflags); + int err; + + if (opt->fixed || is_fixed(p->pattern)) + p->fixed = 1; + if (opt->regflags & REG_ICASE) + p->fixed = 0; + if (p->fixed) + return; + + err = regcomp(&p->regexp, p->pattern, opt->regflags); if (err) { char errbuf[1024]; char where[1024]; @@ -159,8 +175,7 @@ void compile_grep_patterns(struct grep_opt *opt) case GREP_PATTERN: /* atom */ case GREP_PATTERN_HEAD: case GREP_PATTERN_BODY: - if (!opt->fixed) - compile_regexp(p, opt); + compile_regexp(p, opt); break; default: opt->extended = 1; @@ -294,7 +309,6 @@ static struct { static int match_one_pattern(struct grep_opt *opt, struct grep_pat *p, char *bol, char *eol, enum grep_context ctx) { int hit = 0; - int at_true_bol = 1; int saved_ch = 0; regmatch_t pmatch[10]; @@ -315,7 +329,7 @@ static int match_one_pattern(struct grep_opt *opt, struct grep_pat *p, char *bol } again: - if (!opt->fixed) { + if (!p->fixed) { regex_t *exp = &p->regexp; hit = !regexec(exp, bol, ARRAY_SIZE(pmatch), pmatch, 0); @@ -337,7 +351,7 @@ static int match_one_pattern(struct grep_opt *opt, struct grep_pat *p, char *bol * either end of the line, or at word boundary * (i.e. the next char must not be a word char). */ - if ( ((pmatch[0].rm_so == 0 && at_true_bol) || + if ( ((pmatch[0].rm_so == 0) || !word_char(bol[pmatch[0].rm_so-1])) && ((pmatch[0].rm_eo == (eol-bol)) || !word_char(bol[pmatch[0].rm_eo])) ) @@ -349,10 +363,14 @@ static int match_one_pattern(struct grep_opt *opt, struct grep_pat *p, char *bol /* There could be more than one match on the * line, and the first match might not be * strict word match. But later ones could be! + * Forward to the next possible start, i.e. the + * next position following a non-word char. */ bol = pmatch[0].rm_so + bol + 1; - at_true_bol = 0; - goto again; + while (word_char(bol[-1]) && bol < eol) + bol++; + if (bol < eol) + goto again; } } if (p->token == GREP_PATTERN_HEAD && saved_ch) @@ -395,7 +413,7 @@ static int match_expr_eval(struct grep_opt *o, h |= match_expr_eval(o, x->u.binary.right, bol, eol, ctx, 1); break; default: - die("Unexpected node type (internal error) %d\n", x->node); + die("Unexpected node type (internal error) %d", x->node); } if (collect_hits) x->hit |= h; @@ -30,6 +30,7 @@ struct grep_pat { const char *pattern; enum grep_header_field field; regex_t regexp; + unsigned fixed:1; }; enum grep_expr_node { diff --git a/hash-object.c b/hash-object.c index 846e91a23..37e66779a 100644 --- a/hash-object.c +++ b/hash-object.c @@ -8,6 +8,7 @@ #include "blob.h" #include "quote.h" #include "parse-options.h" +#include "exec_cmd.h" static void hash_fd(int fd, const char *type, int write_object, const char *path) { @@ -81,6 +82,8 @@ int main(int argc, const char **argv) type = blob_type; + git_extract_argv0_path(argv[0]); + git_config(git_default_config, NULL); argc = parse_options(argc, argv, hash_object_options, hash_object_usage, 0); diff --git a/http-push.c b/http-push.c index 6ad853e2d..18d81acd1 100644 --- a/http-push.c +++ b/http-push.c @@ -10,6 +10,7 @@ #include "exec_cmd.h" #include "remote.h" #include "list-objects.h" +#include "sigchain.h" #include <expat.h> @@ -177,6 +178,38 @@ struct remote_ls_ctx struct remote_ls_ctx *parent; }; +/* get_dav_token_headers options */ +enum dav_header_flag { + DAV_HEADER_IF = (1u << 0), + DAV_HEADER_LOCK = (1u << 1), + DAV_HEADER_TIMEOUT = (1u << 2) +}; + +static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options) +{ + struct strbuf buf = STRBUF_INIT; + struct curl_slist *dav_headers = NULL; + + if (options & DAV_HEADER_IF) { + strbuf_addf(&buf, "If: (<%s>)", lock->token); + dav_headers = curl_slist_append(dav_headers, buf.buf); + strbuf_reset(&buf); + } + if (options & DAV_HEADER_LOCK) { + strbuf_addf(&buf, "Lock-Token: <%s>", lock->token); + dav_headers = curl_slist_append(dav_headers, buf.buf); + strbuf_reset(&buf); + } + if (options & DAV_HEADER_TIMEOUT) { + strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout); + dav_headers = curl_slist_append(dav_headers, buf.buf); + strbuf_reset(&buf); + } + strbuf_release(&buf); + + return dav_headers; +} + static void finish_request(struct transfer_request *request); static void release_request(struct transfer_request *request); @@ -209,7 +242,7 @@ static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, do { request->stream.next_out = expn; request->stream.avail_out = sizeof(expn); - request->zret = inflate(&request->stream, Z_SYNC_FLUSH); + request->zret = git_inflate(&request->stream, Z_SYNC_FLUSH); git_SHA1_Update(&request->c, expn, sizeof(expn) - request->stream.avail_out); } while (request->stream.avail_in && request->zret == Z_OK); @@ -269,7 +302,7 @@ static void start_fetch_loose(struct transfer_request *request) memset(&request->stream, 0, sizeof(request->stream)); - inflateInit(&request->stream); + git_inflate_init(&request->stream); git_SHA1_Init(&request->c); @@ -310,7 +343,7 @@ static void start_fetch_loose(struct transfer_request *request) file; also rewind to the beginning of the local file. */ if (prev_read == -1) { memset(&request->stream, 0, sizeof(request->stream)); - inflateInit(&request->stream); + git_inflate_init(&request->stream); git_SHA1_Init(&request->c); if (prev_posn>0) { prev_posn = 0; @@ -588,18 +621,12 @@ static int refresh_lock(struct remote_lock *lock) { struct active_request_slot *slot; struct slot_results results; - char *if_header; - char timeout_header[25]; - struct curl_slist *dav_headers = NULL; + struct curl_slist *dav_headers; int rc = 0; lock->refreshing = 1; - if_header = xmalloc(strlen(lock->token) + 25); - sprintf(if_header, "If: (<%s>)", lock->token); - sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); - dav_headers = curl_slist_append(dav_headers, if_header); - dav_headers = curl_slist_append(dav_headers, timeout_header); + dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT); slot = get_active_slot(); slot->results = &results; @@ -622,7 +649,6 @@ static int refresh_lock(struct remote_lock *lock) lock->refreshing = 0; curl_slist_free_all(dav_headers); - free(if_header); return rc; } @@ -742,7 +768,7 @@ static void finish_request(struct transfer_request *request) if (request->http_code == 416) fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n"); - inflateEnd(&request->stream); + git_inflate_end(&request->stream); git_SHA1_Final(request->real_sha1, &request->c); if (request->zret != Z_STREAM_END) { unlink(request->tmpfile); @@ -1303,14 +1329,10 @@ static int unlock_remote(struct remote_lock *lock) struct active_request_slot *slot; struct slot_results results; struct remote_lock *prev = remote->locks; - char *lock_token_header; - struct curl_slist *dav_headers = NULL; + struct curl_slist *dav_headers; int rc = 0; - lock_token_header = xmalloc(strlen(lock->token) + 31); - sprintf(lock_token_header, "Lock-Token: <%s>", - lock->token); - dav_headers = curl_slist_append(dav_headers, lock_token_header); + dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK); slot = get_active_slot(); slot->results = &results; @@ -1331,7 +1353,6 @@ static int unlock_remote(struct remote_lock *lock) } curl_slist_free_all(dav_headers); - free(lock_token_header); if (remote->locks == lock) { remote->locks = lock->next; @@ -1364,7 +1385,7 @@ static void remove_locks(void) static void remove_locks_on_signal(int signo) { remove_locks(); - signal(signo, SIG_DFL); + sigchain_pop(signo); raise(signo); } @@ -1731,13 +1752,10 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock) { struct active_request_slot *slot; struct slot_results results; - char *if_header; struct buffer out_buffer = { STRBUF_INIT, 0 }; - struct curl_slist *dav_headers = NULL; + struct curl_slist *dav_headers; - if_header = xmalloc(strlen(lock->token) + 25); - sprintf(if_header, "If: (<%s>)", lock->token); - dav_headers = curl_slist_append(dav_headers, if_header); + dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1)); @@ -1756,7 +1774,6 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock) if (start_active_slot(slot)) { run_active_slot(slot); strbuf_release(&out_buffer.buf); - free(if_header); if (results.curl_result != CURLE_OK) { fprintf(stderr, "PUT error: curl result=%d, HTTP code=%ld\n", @@ -1766,7 +1783,6 @@ static int update_remote(unsigned char *sha1, struct remote_lock *lock) } } else { strbuf_release(&out_buffer.buf); - free(if_header); fprintf(stderr, "Unable to start PUT request\n"); return 0; } @@ -1948,15 +1964,12 @@ static void update_remote_info_refs(struct remote_lock *lock) struct buffer buffer = { STRBUF_INIT, 0 }; struct active_request_slot *slot; struct slot_results results; - char *if_header; - struct curl_slist *dav_headers = NULL; + struct curl_slist *dav_headers; remote_ls("refs/", (PROCESS_FILES | RECURSIVE), add_remote_info_ref, &buffer.buf); if (!aborted) { - if_header = xmalloc(strlen(lock->token) + 25); - sprintf(if_header, "If: (<%s>)", lock->token); - dav_headers = curl_slist_append(dav_headers, if_header); + dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); slot = get_active_slot(); slot->results = &results; @@ -1978,7 +1991,6 @@ static void update_remote_info_refs(struct remote_lock *lock) results.curl_result, results.http_code); } } - free(if_header); } strbuf_release(&buffer.buf); } @@ -2184,6 +2196,8 @@ int main(int argc, char **argv) struct ref *ref; char *rewritten_url = NULL; + git_extract_argv0_path(argv[0]); + setup_git_directory(); remote = xcalloc(sizeof(*remote), 1); @@ -2266,10 +2280,7 @@ int main(int argc, char **argv) goto cleanup; } - signal(SIGINT, remove_locks_on_signal); - signal(SIGHUP, remove_locks_on_signal); - signal(SIGQUIT, remove_locks_on_signal); - signal(SIGTERM, remove_locks_on_signal); + sigchain_push_common(remove_locks_on_signal); /* Check whether the remote has server info files */ remote->can_update_info_refs = 0; diff --git a/http-walker.c b/http-walker.c index 7271c7d19..0dbad3c88 100644 --- a/http-walker.c +++ b/http-walker.c @@ -82,7 +82,7 @@ static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, do { obj_req->stream.next_out = expn; obj_req->stream.avail_out = sizeof(expn); - obj_req->zret = inflate(&obj_req->stream, Z_SYNC_FLUSH); + obj_req->zret = git_inflate(&obj_req->stream, Z_SYNC_FLUSH); git_SHA1_Update(&obj_req->c, expn, sizeof(expn) - obj_req->stream.avail_out); } while (obj_req->stream.avail_in && obj_req->zret == Z_OK); @@ -142,7 +142,7 @@ static void start_object_request(struct walker *walker, memset(&obj_req->stream, 0, sizeof(obj_req->stream)); - inflateInit(&obj_req->stream); + git_inflate_init(&obj_req->stream); git_SHA1_Init(&obj_req->c); @@ -183,7 +183,7 @@ static void start_object_request(struct walker *walker, file; also rewind to the beginning of the local file. */ if (prev_read == -1) { memset(&obj_req->stream, 0, sizeof(obj_req->stream)); - inflateInit(&obj_req->stream); + git_inflate_init(&obj_req->stream); git_SHA1_Init(&obj_req->c); if (prev_posn>0) { prev_posn = 0; @@ -243,7 +243,7 @@ static void finish_object_request(struct object_request *obj_req) return; } - inflateEnd(&obj_req->stream); + git_inflate_end(&obj_req->stream); git_SHA1_Final(obj_req->real_sha1, &obj_req->c); if (obj_req->zret != Z_STREAM_END) { unlink(obj_req->tmpfile); diff --git a/imap-send.c b/imap-send.c index 3703dbd1a..f91293c23 100644 --- a/imap-send.c +++ b/imap-send.c @@ -23,6 +23,7 @@ */ #include "cache.h" +#include "exec_cmd.h" #ifdef NO_OPENSSL typedef void *SSL; #endif @@ -115,9 +116,9 @@ static int nfvasprintf(char **strp, const char *fmt, va_list ap) len = vsnprintf(tmp, sizeof(tmp), fmt, ap); if (len < 0) - die("Fatal: Out of memory\n"); + die("Fatal: Out of memory"); if (len >= sizeof(tmp)) - die("imap command overflow !\n"); + die("imap command overflow!"); *strp = xmemdupz(tmp, len); return len; } @@ -482,7 +483,7 @@ static int nfsnprintf(char *buf, int blen, const char *fmt, ...) va_start(va, fmt); if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen) - die("Fatal: buffer too small. Please report a bug.\n"); + die("Fatal: buffer too small. Please report a bug."); va_end(va); return ret; } @@ -1389,6 +1390,8 @@ int main(int argc, char **argv) int total, n = 0; int nongit_ok; + git_extract_argv0_path(argv[0]); + /* init the random number generator */ arc4_init(); diff --git a/index-pack.c b/index-pack.c index 60ed41a99..f7a38079e 100644 --- a/index-pack.c +++ b/index-pack.c @@ -8,6 +8,7 @@ #include "tree.h" #include "progress.h" #include "fsck.h" +#include "exec_cmd.h" static const char index_pack_usage[] = "git index-pack [-v] [-o <index-file>] [{ ---keep | --keep=<msg> }] [--strict] { <pack-file> | --stdin [--fix-thin] [<pack-file>] }"; @@ -178,7 +179,7 @@ static char *open_pack_file(char *pack_name) } else output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); if (output_fd < 0) - die("unable to create %s: %s\n", pack_name, strerror(errno)); + die("unable to create %s: %s", pack_name, strerror(errno)); pack_fd = output_fd; } else { input_fd = open(pack_name, O_RDONLY); @@ -275,10 +276,10 @@ static void *unpack_entry_data(unsigned long offset, unsigned long size) stream.avail_out = size; stream.next_in = fill(1); stream.avail_in = input_len; - inflateInit(&stream); + git_inflate_init(&stream); for (;;) { - int ret = inflate(&stream, 0); + int ret = git_inflate(&stream, 0); use(input_len - stream.avail_in); if (stream.total_out == size && ret == Z_STREAM_END) break; @@ -287,7 +288,7 @@ static void *unpack_entry_data(unsigned long offset, unsigned long size) stream.next_in = fill(1); stream.avail_in = input_len; } - inflateEnd(&stream); + git_inflate_end(&stream); return buf; } @@ -382,9 +383,9 @@ static void *get_data_from_pack(struct object_entry *obj) stream.avail_out = obj->size; stream.next_in = src; stream.avail_in = len; - inflateInit(&stream); - while ((st = inflate(&stream, Z_FINISH)) == Z_OK); - inflateEnd(&stream); + git_inflate_init(&stream); + while ((st = git_inflate(&stream, Z_FINISH)) == Z_OK); + git_inflate_end(&stream); if (st != Z_STREAM_END || stream.total_out != obj->size) die("serious inflate inconsistency"); free(src); @@ -880,6 +881,8 @@ int main(int argc, char **argv) struct pack_idx_entry **idx_objects; unsigned char pack_sha1[20]; + git_extract_argv0_path(argv[0]); + /* * We wish to read the repository's config file if any, and * for that it is necessary to call setup_git_directory_gently(). diff --git a/lockfile.c b/lockfile.c index 858915553..021c3375c 100644 --- a/lockfile.c +++ b/lockfile.c @@ -2,6 +2,7 @@ * Copyright (c) 2005, Junio C Hamano */ #include "cache.h" +#include "sigchain.h" static struct lock_file *lock_file_list; static const char *alternate_index_output; @@ -24,7 +25,7 @@ static void remove_lock_file(void) static void remove_lock_file_on_signal(int signo) { remove_lock_file(); - signal(signo, SIG_DFL); + sigchain_pop(signo); raise(signo); } @@ -136,11 +137,7 @@ static int lock_file(struct lock_file *lk, const char *path, int flags) lk->fd = open(lk->filename, O_RDWR | O_CREAT | O_EXCL, 0666); if (0 <= lk->fd) { if (!lock_file_list) { - signal(SIGINT, remove_lock_file_on_signal); - signal(SIGHUP, remove_lock_file_on_signal); - signal(SIGTERM, remove_lock_file_on_signal); - signal(SIGQUIT, remove_lock_file_on_signal); - signal(SIGPIPE, remove_lock_file_on_signal); + sigchain_push_common(remove_lock_file_on_signal); atexit(remove_lock_file); } lk->owner = getpid(); diff --git a/merge-index.c b/merge-index.c index 7827e87a9..c00a2b385 100644 --- a/merge-index.c +++ b/merge-index.c @@ -1,5 +1,6 @@ #include "cache.h" #include "run-command.h" +#include "exec_cmd.h" static const char *pgm; static const char *arguments[9]; @@ -93,6 +94,8 @@ int main(int argc, char **argv) if (argc < 3) usage("git-merge-index [-o] [-q] <merge-program> (-a | [--] <filename>*)"); + git_extract_argv0_path(argv[0]); + setup_git_directory(); read_cache(); diff --git a/merge-tree.c b/merge-tree.c index 2d1413efb..f18201acd 100644 --- a/merge-tree.c +++ b/merge-tree.c @@ -2,6 +2,7 @@ #include "tree-walk.h" #include "xdiff-interface.h" #include "blob.h" +#include "exec_cmd.h" static const char merge_tree_usage[] = "git-merge-tree <base-tree> <branch1> <branch2>"; static int resolve_directories = 1; @@ -344,6 +345,8 @@ int main(int argc, char **argv) if (argc != 4) usage(merge_tree_usage); + git_extract_argv0_path(argv[0]); + setup_git_directory(); buf1 = get_tree_descriptor(t+0, argv[1]); @@ -1,5 +1,6 @@ #include "cache.h" #include "tag.h" +#include "exec_cmd.h" /* * A signature file has a very simple fixed format: four lines @@ -159,6 +160,8 @@ int main(int argc, char **argv) if (argc != 1) usage("git-mktag < signaturefile"); + git_extract_argv0_path(argv[0]); + setup_git_directory(); if (strbuf_read(&buf, 0, 4096) < 0) { @@ -6,6 +6,7 @@ #include "cache.h" #include "quote.h" #include "tree.h" +#include "exec_cmd.h" static struct treeent { unsigned mode; @@ -70,6 +71,8 @@ int main(int ac, char **av) unsigned char sha1[20]; int line_termination = '\n'; + git_extract_argv0_path(av[0]); + setup_git_directory(); while ((1 < ac) && av[1][0] == '-') { @@ -268,3 +268,22 @@ void add_object_array_with_mode(struct object *obj, const char *name, struct obj objects[nr].mode = mode; array->nr = ++nr; } + +void object_array_remove_duplicates(struct object_array *array) +{ + int ref, src, dst; + struct object_array_entry *objects = array->objects; + + for (ref = 0; ref < array->nr - 1; ref++) { + for (src = ref + 1, dst = src; + src < array->nr; + src++) { + if (!strcmp(objects[ref].name, objects[src].name)) + continue; + if (src != dst) + objects[dst] = objects[src]; + dst++; + } + array->nr = dst; + } +} @@ -82,5 +82,6 @@ int object_list_contains(struct object_list *list, struct object *obj); /* Object array handling .. */ void add_object_array(struct object *obj, const char *name, struct object_array *array); void add_object_array_with_mode(struct object *obj, const char *name, struct object_array *array, unsigned mode); +void object_array_remove_duplicates(struct object_array *); #endif /* OBJECT_H */ diff --git a/pack-redundant.c b/pack-redundant.c index 25b81a445..48a12bc13 100644 --- a/pack-redundant.c +++ b/pack-redundant.c @@ -7,6 +7,7 @@ */ #include "cache.h" +#include "exec_cmd.h" #define BLKSIZE 512 @@ -463,7 +464,7 @@ static void minimize(struct pack_list **min) pll_free(perm_all); } if (perm_ok == NULL) - die("Internal error: No complete sets found!\n"); + die("Internal error: No complete sets found!"); /* find the permutation with the smallest size */ perm = perm_ok; @@ -573,14 +574,14 @@ static struct pack_list * add_pack_file(char *filename) struct packed_git *p = packed_git; if (strlen(filename) < 40) - die("Bad pack filename: %s\n", filename); + die("Bad pack filename: %s", filename); while (p) { if (strstr(p->pack_name, filename)) return add_pack(p); p = p->next; } - die("Filename %s not found in packed_git\n", filename); + die("Filename %s not found in packed_git", filename); } static void load_all(void) @@ -601,6 +602,8 @@ int main(int argc, char **argv) unsigned char *sha1; char buf[42]; /* 40 byte sha1 + \n + \0 */ + git_extract_argv0_path(argv[0]); + setup_git_directory(); for (i = 1; i < argc; i++) { @@ -636,7 +639,7 @@ int main(int argc, char **argv) add_pack_file(*(argv + i++)); if (local_packs == NULL) - die("Zero packs found!\n"); + die("Zero packs found!"); load_all_objects(); @@ -1,5 +1,6 @@ #include "cache.h" #include "run-command.h" +#include "sigchain.h" /* * This is split up from the rest of git so that we can do @@ -38,6 +39,13 @@ static void wait_for_pager(void) finish_command(&pager_process); } +static void wait_for_pager_signal(int signo) +{ + wait_for_pager(); + sigchain_pop(signo); + raise(signo); +} + void setup_pager(void) { const char *pager = getenv("GIT_PAGER"); @@ -75,6 +83,7 @@ void setup_pager(void) close(pager_process.in); /* this makes sure that the parent terminates after the pager */ + sigchain_push_common(wait_for_pager_signal); atexit(wait_for_pager); } diff --git a/parse-options.c b/parse-options.c index 9eb55cc8b..4c5d09dd2 100644 --- a/parse-options.c +++ b/parse-options.c @@ -1,6 +1,7 @@ #include "git-compat-util.h" #include "parse-options.h" #include "cache.h" +#include "commit.h" #define OPT_SHORT 1 #define OPT_UNSET 2 @@ -506,6 +507,22 @@ int parse_opt_verbosity_cb(const struct option *opt, const char *arg, return 0; } +int parse_opt_with_commit(const struct option *opt, const char *arg, int unset) +{ + unsigned char sha1[20]; + struct commit *commit; + + if (!arg) + return -1; + if (get_sha1(arg, sha1)) + return error("malformed object name %s", arg); + commit = lookup_commit_reference(sha1); + if (!commit) + return error("no such commit %s", arg); + commit_list_insert(commit, opt->value); + return 0; +} + /* * This should really be OPTION_FILENAME type as a part of * parse_options that take prefix to do this while parsing. diff --git a/parse-options.h b/parse-options.h index 034162ec6..912290549 100644 --- a/parse-options.h +++ b/parse-options.h @@ -151,6 +151,7 @@ extern int parse_options_end(struct parse_opt_ctx_t *ctx); extern int parse_opt_abbrev_cb(const struct option *, const char *, int); extern int parse_opt_approxidate_cb(const struct option *, const char *, int); extern int parse_opt_verbosity_cb(const struct option *, const char *, int); +extern int parse_opt_with_commit(const struct option *, const char *, int); #define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose") #define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet") diff --git a/patch-id.c b/patch-id.c index 871f1d20c..3660ad461 100644 --- a/patch-id.c +++ b/patch-id.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "exec_cmd.h" static void flush_current_id(int patchlen, unsigned char *id, git_SHA_CTX *c) { @@ -79,6 +80,8 @@ int main(int argc, char **argv) if (argc != 1) usage(patch_id_usage); + git_extract_argv0_path(argv[0]); + generate_id_list(); return 0; } @@ -6,6 +6,7 @@ #include "string-list.h" #include "mailmap.h" #include "log-tree.h" +#include "color.h" static char *user_format; @@ -554,6 +555,17 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder, /* these are independent of the commit */ switch (placeholder[0]) { case 'C': + if (placeholder[1] == '(') { + const char *end = strchr(placeholder + 2, ')'); + char color[COLOR_MAXLEN]; + if (!end) + return 0; + color_parse_mem(placeholder + 2, + end - (placeholder + 2), + "--pretty format", color); + strbuf_addstr(sb, color); + return end - placeholder + 1; + } if (!prefixcmp(placeholder + 1, "red")) { strbuf_addstr(sb, "\033[31m"); return 4; @@ -1453,7 +1453,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char * return 1; } -int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) +int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs, void *cb_data) { const char *logfile; FILE *logfp; @@ -1464,6 +1464,16 @@ int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) logfp = fopen(logfile, "r"); if (!logfp) return -1; + + if (ofs) { + struct stat statbuf; + if (fstat(fileno(logfp), &statbuf) || + statbuf.st_size < ofs || + fseek(logfp, -ofs, SEEK_END) || + fgets(buf, sizeof(buf), logfp)) + return -1; + } + while (fgets(buf, sizeof(buf), logfp)) { unsigned char osha1[20], nsha1[20]; char *email_end, *message; @@ -1497,6 +1507,11 @@ int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) return ret; } +int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data) +{ + return for_each_recent_reflog_ent(ref, fn, 0, cb_data); +} + static int do_for_each_reflog(const char *base, each_ref_fn fn, void *cb_data) { DIR *dir = opendir(git_path("logs/%s", base)); @@ -60,6 +60,7 @@ extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned /* iterate over reflog entries */ typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *); int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data); +int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long, void *cb_data); /* * Calls the specified function for each reflog file until it returns nonzero, @@ -4,6 +4,7 @@ #include "commit.h" #include "diff.h" #include "revision.h" +#include "dir.h" static struct refspec s_tag_refspec = { 0, @@ -634,10 +635,7 @@ static struct refspec *parse_push_refspec(int nr_refspec, const char **refspec) static int valid_remote_nick(const char *name) { - if (!name[0] || /* not empty */ - (name[0] == '.' && /* not "." */ - (!name[1] || /* not ".." */ - (name[1] == '.' && !name[2])))) + if (!name[0] || is_dot_or_dotdot(name)) return 0; return !strchr(name, '/'); /* no slash */ } diff --git a/revision.c b/revision.c index 1663ac80e..8603c1458 100644 --- a/revision.c +++ b/revision.c @@ -1267,6 +1267,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch if (!strcmp(arg, "--all")) { handle_refs(revs, flags, for_each_ref); + handle_refs(revs, flags, head_ref); continue; } if (!strcmp(arg, "--branches")) { diff --git a/run-command.c b/run-command.c index c90cdc50e..db9ce5920 100644 --- a/run-command.c +++ b/run-command.c @@ -342,3 +342,48 @@ int finish_async(struct async *async) #endif return ret; } + +int run_hook(const char *index_file, const char *name, ...) +{ + struct child_process hook; + const char **argv = NULL, *env[2]; + char index[PATH_MAX]; + va_list args; + int ret; + size_t i = 0, alloc = 0; + + if (access(git_path("hooks/%s", name), X_OK) < 0) + return 0; + + va_start(args, name); + ALLOC_GROW(argv, i + 1, alloc); + argv[i++] = git_path("hooks/%s", name); + while (argv[i-1]) { + ALLOC_GROW(argv, i + 1, alloc); + argv[i++] = va_arg(args, const char *); + } + va_end(args); + + memset(&hook, 0, sizeof(hook)); + hook.argv = argv; + hook.no_stdin = 1; + hook.stdout_to_stderr = 1; + if (index_file) { + snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); + env[0] = index; + env[1] = NULL; + hook.env = env; + } + + ret = start_command(&hook); + free(argv); + if (ret) { + warning("Could not spawn %s", argv[0]); + return ret; + } + ret = finish_command(&hook); + if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL) + warning("%s exited due to uncaught signal", argv[0]); + + return ret; +} diff --git a/run-command.h b/run-command.h index a8b0c209e..0211e1d47 100644 --- a/run-command.h +++ b/run-command.h @@ -49,6 +49,8 @@ int start_command(struct child_process *); int finish_command(struct child_process *); int run_command(struct child_process *); +extern int run_hook(const char *index_file, const char *name, ...); + #define RUN_COMMAND_NO_STDIN 1 #define RUN_GIT_CMD 2 /*If this is to be git sub-command */ #define RUN_COMMAND_STDOUT_TO_STDERR 4 @@ -456,7 +456,11 @@ const char *setup_git_directory_gently(int *nongit_ok) inside_git_dir = 1; if (!work_tree_env) inside_work_tree = 0; - setenv(GIT_DIR_ENVIRONMENT, ".", 1); + if (offset != len) { + cwd[offset] = '\0'; + setenv(GIT_DIR_ENVIRONMENT, cwd, 1); + } else + setenv(GIT_DIR_ENVIRONMENT, ".", 1); check_repository_format_gently(nongit_ok); return NULL; } diff --git a/sha1_file.c b/sha1_file.c index 52d1ead15..8868b800c 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -1196,8 +1196,8 @@ static int unpack_sha1_header(z_stream *stream, unsigned char *map, unsigned lon stream->avail_out = bufsiz; if (legacy_loose_object(map)) { - inflateInit(stream); - return inflate(stream, 0); + git_inflate_init(stream); + return git_inflate(stream, 0); } @@ -1217,7 +1217,7 @@ static int unpack_sha1_header(z_stream *stream, unsigned char *map, unsigned lon /* Set up the stream for the rest.. */ stream->next_in = map; stream->avail_in = mapsize; - inflateInit(stream); + git_inflate_init(stream); /* And generate the fake traditional header */ stream->total_out = 1 + snprintf(buffer, bufsiz, "%s %lu", @@ -1254,11 +1254,11 @@ static void *unpack_sha1_rest(z_stream *stream, void *buffer, unsigned long size stream->next_out = buf + bytes; stream->avail_out = size - bytes; while (status == Z_OK) - status = inflate(stream, Z_FINISH); + status = git_inflate(stream, Z_FINISH); } buf[size] = 0; if (status == Z_STREAM_END && !stream->avail_in) { - inflateEnd(stream); + git_inflate_end(stream); return buf; } @@ -1348,15 +1348,15 @@ unsigned long get_size_from_delta(struct packed_git *p, stream.next_out = delta_head; stream.avail_out = sizeof(delta_head); - inflateInit(&stream); + git_inflate_init(&stream); do { in = use_pack(p, w_curs, curpos, &stream.avail_in); stream.next_in = in; - st = inflate(&stream, Z_FINISH); + st = git_inflate(&stream, Z_FINISH); curpos += stream.next_in - in; } while ((st == Z_OK || st == Z_BUF_ERROR) && stream.total_out < sizeof(delta_head)); - inflateEnd(&stream); + git_inflate_end(&stream); if ((st != Z_STREAM_END) && stream.total_out != sizeof(delta_head)) { error("delta data unpack-initial failed"); return 0; @@ -1585,14 +1585,14 @@ static void *unpack_compressed_entry(struct packed_git *p, stream.next_out = buffer; stream.avail_out = size; - inflateInit(&stream); + git_inflate_init(&stream); do { in = use_pack(p, w_curs, curpos, &stream.avail_in); stream.next_in = in; - st = inflate(&stream, Z_FINISH); + st = git_inflate(&stream, Z_FINISH); curpos += stream.next_in - in; } while (st == Z_OK || st == Z_BUF_ERROR); - inflateEnd(&stream); + git_inflate_end(&stream); if ((st != Z_STREAM_END) || stream.total_out != size) { free(buffer); return NULL; @@ -1700,6 +1700,9 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset, delta_base_cache_lru.prev = &ent->lru; } +static void *read_object(const unsigned char *sha1, enum object_type *type, + unsigned long *size); + static void *unpack_delta_entry(struct packed_git *p, struct pack_window **w_curs, off_t curpos, @@ -2017,7 +2020,7 @@ static int sha1_loose_object_info(const unsigned char *sha1, unsigned long *size status = error("unable to parse %s header", sha1_to_hex(sha1)); else if (sizep) *sizep = size; - inflateEnd(&stream); + git_inflate_end(&stream); munmap(map, mapsize); return status; } @@ -2130,8 +2133,8 @@ int pretend_sha1_file(void *buf, unsigned long len, enum object_type type, return 0; } -void *read_object(const unsigned char *sha1, enum object_type *type, - unsigned long *size) +static void *read_object(const unsigned char *sha1, enum object_type *type, + unsigned long *size) { unsigned long mapsize; void *map, *buf; @@ -2337,7 +2340,8 @@ static int create_tmpfile(char *buffer, size_t bufsiz, const char *filename) static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen, void *buf, unsigned long len, time_t mtime) { - int fd, size, ret; + int fd, ret; + size_t size; unsigned char *compressed; z_stream stream; char *filename; diff --git a/sha1_name.c b/sha1_name.c index 722fc35a6..5d0ac0263 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -238,8 +238,28 @@ static int ambiguous_path(const char *path, int len) return slash; } +/* + * *string and *len will only be substituted, and *string returned (for + * later free()ing) if the string passed in is of the form @{-<n>}. + */ +static char *substitute_nth_last_branch(const char **string, int *len) +{ + struct strbuf buf = STRBUF_INIT; + int ret = interpret_nth_last_branch(*string, &buf); + + if (ret == *len) { + size_t size; + *string = strbuf_detach(&buf, &size); + *len = size; + return (char *)*string; + } + + return NULL; +} + int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref) { + char *last_branch = substitute_nth_last_branch(&str, &len); const char **p, *r; int refs_found = 0; @@ -259,11 +279,13 @@ int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref) break; } } + free(last_branch); return refs_found; } int dwim_log(const char *str, int len, unsigned char *sha1, char **log) { + char *last_branch = substitute_nth_last_branch(&str, &len); const char **p; int logs_found = 0; @@ -294,9 +316,12 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log) if (!warn_ambiguous_refs) break; } + free(last_branch); return logs_found; } +static int get_sha1_1(const char *name, int len, unsigned char *sha1); + static int get_sha1_basic(const char *str, int len, unsigned char *sha1) { static const char *warning = "warning: refname '%.*s' is ambiguous.\n"; @@ -307,10 +332,10 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) if (len == 40 && !get_sha1_hex(str, sha1)) return 0; - /* basic@{time or number} format to query ref-log */ + /* basic@{time or number or -number} format to query ref-log */ reflog_len = at = 0; if (len && str[len-1] == '}') { - for (at = 0; at < len - 1; at++) { + for (at = len-2; at >= 0; at--) { if (str[at] == '@' && str[at+1] == '{') { reflog_len = (len-1) - (at+2); len = at; @@ -324,6 +349,16 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) return -1; if (!len && reflog_len) { + struct strbuf buf = STRBUF_INIT; + int ret; + /* try the @{-N} syntax for n-th checkout */ + ret = interpret_nth_last_branch(str+at, &buf); + if (ret > 0) { + /* substitute this branch name and restart */ + return get_sha1_1(buf.buf, buf.len, sha1); + } else if (ret == 0) { + return -1; + } /* allow "@{...}" to mean the current branch reflog */ refs_found = dwim_ref("HEAD", 4, sha1, &real_ref); } else if (reflog_len) @@ -379,8 +414,6 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) return 0; } -static int get_sha1_1(const char *name, int len, unsigned char *sha1); - static int get_parent(const char *name, int len, unsigned char *result, int idx) { @@ -674,6 +707,92 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1) return retval; } +struct grab_nth_branch_switch_cbdata { + long cnt, alloc; + struct strbuf *buf; +}; + +static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1, + const char *email, unsigned long timestamp, int tz, + const char *message, void *cb_data) +{ + struct grab_nth_branch_switch_cbdata *cb = cb_data; + const char *match = NULL, *target = NULL; + size_t len; + int nth; + + if (!prefixcmp(message, "checkout: moving from ")) { + match = message + strlen("checkout: moving from "); + target = strstr(match, " to "); + } + + if (!match || !target) + return 0; + + len = target - match; + nth = cb->cnt++ % cb->alloc; + strbuf_reset(&cb->buf[nth]); + strbuf_add(&cb->buf[nth], match, len); + return 0; +} + +/* + * This reads "@{-N}" syntax, finds the name of the Nth previous + * branch we were on, and places the name of the branch in the given + * buf and returns the number of characters parsed if successful. + * + * If the input is not of the accepted format, it returns a negative + * number to signal an error. + * + * If the input was ok but there are not N branch switches in the + * reflog, it returns 0. + */ +int interpret_nth_last_branch(const char *name, struct strbuf *buf) +{ + long nth; + int i, retval; + struct grab_nth_branch_switch_cbdata cb; + const char *brace; + char *num_end; + + if (name[0] != '@' || name[1] != '{' || name[2] != '-') + return -1; + brace = strchr(name, '}'); + if (!brace) + return -1; + nth = strtol(name+3, &num_end, 10); + if (num_end != brace) + return -1; + if (nth <= 0) + return -1; + cb.alloc = nth; + cb.buf = xmalloc(nth * sizeof(struct strbuf)); + for (i = 0; i < nth; i++) + strbuf_init(&cb.buf[i], 20); + cb.cnt = 0; + retval = 0; + for_each_recent_reflog_ent("HEAD", grab_nth_branch_switch, 40960, &cb); + if (cb.cnt < nth) { + cb.cnt = 0; + for (i = 0; i < nth; i++) + strbuf_release(&cb.buf[i]); + for_each_reflog_ent("HEAD", grab_nth_branch_switch, &cb); + } + if (cb.cnt < nth) + goto release_return; + i = cb.cnt % nth; + strbuf_reset(buf); + strbuf_add(buf, cb.buf[i].buf, cb.buf[i].len); + retval = brace-name+1; + +release_return: + for (i = 0; i < nth; i++) + strbuf_release(&cb.buf[i]); + free(cb.buf); + + return retval; +} + /* * This is like "get_sha1_basic()", except it allows "sha1 expressions", * notably "xyz^" for "parent of xyz" diff --git a/sigchain.c b/sigchain.c new file mode 100644 index 000000000..1118b99e5 --- /dev/null +++ b/sigchain.c @@ -0,0 +1,52 @@ +#include "sigchain.h" +#include "cache.h" + +#define SIGCHAIN_MAX_SIGNALS 32 + +struct sigchain_signal { + sigchain_fun *old; + int n; + int alloc; +}; +static struct sigchain_signal signals[SIGCHAIN_MAX_SIGNALS]; + +static void check_signum(int sig) +{ + if (sig < 1 || sig >= SIGCHAIN_MAX_SIGNALS) + die("BUG: signal out of range: %d", sig); +} + +int sigchain_push(int sig, sigchain_fun f) +{ + struct sigchain_signal *s = signals + sig; + check_signum(sig); + + ALLOC_GROW(s->old, s->n + 1, s->alloc); + s->old[s->n] = signal(sig, f); + if (s->old[s->n] == SIG_ERR) + return -1; + s->n++; + return 0; +} + +int sigchain_pop(int sig) +{ + struct sigchain_signal *s = signals + sig; + check_signum(sig); + if (s->n < 1) + return 0; + + if (signal(sig, s->old[s->n - 1]) == SIG_ERR) + return -1; + s->n--; + return 0; +} + +void sigchain_push_common(sigchain_fun f) +{ + sigchain_push(SIGINT, f); + sigchain_push(SIGHUP, f); + sigchain_push(SIGTERM, f); + sigchain_push(SIGQUIT, f); + sigchain_push(SIGPIPE, f); +} diff --git a/sigchain.h b/sigchain.h new file mode 100644 index 000000000..618083bce --- /dev/null +++ b/sigchain.h @@ -0,0 +1,11 @@ +#ifndef SIGCHAIN_H +#define SIGCHAIN_H + +typedef void (*sigchain_fun)(int); + +int sigchain_push(int sig, sigchain_fun f); +int sigchain_pop(int sig); + +void sigchain_push_common(sigchain_fun f); + +#endif /* SIGCHAIN_H */ @@ -256,18 +256,21 @@ size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder, size_t strbuf_fread(struct strbuf *sb, size_t size, FILE *f) { size_t res; + size_t oldalloc = sb->alloc; strbuf_grow(sb, size); res = fread(sb->buf + sb->len, 1, size, f); - if (res > 0) { + if (res > 0) strbuf_setlen(sb, sb->len + res); - } + else if (res < 0 && oldalloc == 0) + strbuf_release(sb); return res; } ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint) { size_t oldlen = sb->len; + size_t oldalloc = sb->alloc; strbuf_grow(sb, hint ? hint : 8192); for (;;) { @@ -275,7 +278,10 @@ ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint) cnt = xread(fd, sb->buf + sb->len, sb->alloc - sb->len - 1); if (cnt < 0) { - strbuf_setlen(sb, oldlen); + if (oldalloc == 0) + strbuf_release(sb); + else + strbuf_setlen(sb, oldlen); return -1; } if (!cnt) @@ -292,6 +298,8 @@ ssize_t strbuf_read(struct strbuf *sb, int fd, size_t hint) int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint) { + size_t oldalloc = sb->alloc; + if (hint < 32) hint = 32; @@ -311,7 +319,8 @@ int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint) /* .. the buffer was too small - try again */ hint *= 2; } - strbuf_release(sb); + if (oldalloc == 0) + strbuf_release(sb); return -1; } diff --git a/symlinks.c b/symlinks.c index 5a5e781a1..f262b7c44 100644 --- a/symlinks.c +++ b/symlinks.c @@ -1,64 +1,241 @@ #include "cache.h" -struct pathname { +static struct cache_def { + char path[PATH_MAX + 1]; int len; - char path[PATH_MAX]; -}; + int flags; + int track_flags; + int prefix_len_stat_func; +} cache; -/* Return matching pathname prefix length, or zero if not matching */ -static inline int match_pathname(int len, const char *name, struct pathname *match) +/* + * Returns the length (on a path component basis) of the longest + * common prefix match of 'name' and the cached path string. + */ +static inline int longest_match_lstat_cache(int len, const char *name, + int *previous_slash) { - int match_len = match->len; - return (len > match_len && - name[match_len] == '/' && - !memcmp(name, match->path, match_len)) ? match_len : 0; + int max_len, match_len = 0, match_len_prev = 0, i = 0; + + max_len = len < cache.len ? len : cache.len; + while (i < max_len && name[i] == cache.path[i]) { + if (name[i] == '/') { + match_len_prev = match_len; + match_len = i; + } + i++; + } + /* Is the cached path string a substring of 'name'? */ + if (i == cache.len && cache.len < len && name[cache.len] == '/') { + match_len_prev = match_len; + match_len = cache.len; + /* Is 'name' a substring of the cached path string? */ + } else if ((i == len && len < cache.len && cache.path[len] == '/') || + (i == len && len == cache.len)) { + match_len_prev = match_len; + match_len = len; + } + *previous_slash = match_len_prev; + return match_len; } -static inline void set_pathname(int len, const char *name, struct pathname *match) +static inline void reset_lstat_cache(int track_flags, int prefix_len_stat_func) { - if (len < PATH_MAX) { - match->len = len; - memcpy(match->path, name, len); - match->path[len] = 0; - } + cache.path[0] = '\0'; + cache.len = 0; + cache.flags = 0; + cache.track_flags = track_flags; + cache.prefix_len_stat_func = prefix_len_stat_func; } -int has_symlink_leading_path(int len, const char *name) +#define FL_DIR (1 << 0) +#define FL_NOENT (1 << 1) +#define FL_SYMLINK (1 << 2) +#define FL_LSTATERR (1 << 3) +#define FL_ERR (1 << 4) +#define FL_FULLPATH (1 << 5) + +/* + * Check if name 'name' of length 'len' has a symlink leading + * component, or if the directory exists and is real, or not. + * + * To speed up the check, some information is allowed to be cached. + * This can be indicated by the 'track_flags' argument, which also can + * be used to indicate that we should check the full path. + * + * The 'prefix_len_stat_func' parameter can be used to set the length + * of the prefix, where the cache should use the stat() function + * instead of the lstat() function to test each path component. + */ +static int lstat_cache(int len, const char *name, + int track_flags, int prefix_len_stat_func) { - static struct pathname link, nonlink; - char path[PATH_MAX]; + int match_len, last_slash, last_slash_dir, previous_slash; + int match_flags, ret_flags, save_flags, max_len, ret; struct stat st; - char *sp; - int known_dir; - /* - * See if the last known symlink cache matches. - */ - if (match_pathname(len, name, &link)) - return 1; + if (cache.track_flags != track_flags || + cache.prefix_len_stat_func != prefix_len_stat_func) { + /* + * As a safeguard we clear the cache if the values of + * track_flags and/or prefix_len_stat_func does not + * match with the last supplied values. + */ + reset_lstat_cache(track_flags, prefix_len_stat_func); + match_len = last_slash = 0; + } else { + /* + * Check to see if we have a match from the cache for + * the 2 "excluding" path types. + */ + match_len = last_slash = + longest_match_lstat_cache(len, name, &previous_slash); + match_flags = cache.flags & track_flags & (FL_NOENT|FL_SYMLINK); + if (match_flags && match_len == cache.len) + return match_flags; + /* + * If we now have match_len > 0, we would know that + * the matched part will always be a directory. + * + * Also, if we are tracking directories and 'name' is + * a substring of the cache on a path component basis, + * we can return immediately. + */ + match_flags = track_flags & FL_DIR; + if (match_flags && len == match_len) + return match_flags; + } /* - * Get rid of the last known directory part + * Okay, no match from the cache so far, so now we have to + * check the rest of the path components. */ - known_dir = match_pathname(len, name, &nonlink); - - while ((sp = strchr(name + known_dir + 1, '/')) != NULL) { - int thislen = sp - name ; - memcpy(path, name, thislen); - path[thislen] = 0; - - if (lstat(path, &st)) - return 0; - if (S_ISDIR(st.st_mode)) { - set_pathname(thislen, path, &nonlink); - known_dir = thislen; + ret_flags = FL_DIR; + last_slash_dir = last_slash; + max_len = len < PATH_MAX ? len : PATH_MAX; + while (match_len < max_len) { + do { + cache.path[match_len] = name[match_len]; + match_len++; + } while (match_len < max_len && name[match_len] != '/'); + if (match_len >= max_len && !(track_flags & FL_FULLPATH)) + break; + last_slash = match_len; + cache.path[last_slash] = '\0'; + + if (last_slash <= prefix_len_stat_func) + ret = stat(cache.path, &st); + else + ret = lstat(cache.path, &st); + + if (ret) { + ret_flags = FL_LSTATERR; + if (errno == ENOENT) + ret_flags |= FL_NOENT; + } else if (S_ISDIR(st.st_mode)) { + last_slash_dir = last_slash; continue; - } - if (S_ISLNK(st.st_mode)) { - set_pathname(thislen, path, &link); - return 1; + } else if (S_ISLNK(st.st_mode)) { + ret_flags = FL_SYMLINK; + } else { + ret_flags = FL_ERR; } break; } - return 0; + + /* + * At the end update the cache. Note that max 3 different + * path types, FL_NOENT, FL_SYMLINK and FL_DIR, can be cached + * for the moment! + */ + save_flags = ret_flags & track_flags & (FL_NOENT|FL_SYMLINK); + if (save_flags && last_slash > 0 && last_slash <= PATH_MAX) { + cache.path[last_slash] = '\0'; + cache.len = last_slash; + cache.flags = save_flags; + } else if (track_flags & FL_DIR && + last_slash_dir > 0 && last_slash_dir <= PATH_MAX) { + /* + * We have a separate test for the directory case, + * since it could be that we have found a symlink or a + * non-existing directory and the track_flags says + * that we cannot cache this fact, so the cache would + * then have been left empty in this case. + * + * But if we are allowed to track real directories, we + * can still cache the path components before the last + * one (the found symlink or non-existing component). + */ + cache.path[last_slash_dir] = '\0'; + cache.len = last_slash_dir; + cache.flags = FL_DIR; + } else { + reset_lstat_cache(track_flags, prefix_len_stat_func); + } + return ret_flags; +} + +/* + * Invalidate the given 'name' from the cache, if 'name' matches + * completely with the cache. + */ +void invalidate_lstat_cache(int len, const char *name) +{ + int match_len, previous_slash; + + match_len = longest_match_lstat_cache(len, name, &previous_slash); + if (len == match_len) { + if ((cache.track_flags & FL_DIR) && previous_slash > 0) { + cache.path[previous_slash] = '\0'; + cache.len = previous_slash; + cache.flags = FL_DIR; + } else + reset_lstat_cache(cache.track_flags, + cache.prefix_len_stat_func); + } +} + +/* + * Completely clear the contents of the cache + */ +void clear_lstat_cache(void) +{ + reset_lstat_cache(0, 0); +} + +#define USE_ONLY_LSTAT 0 + +/* + * Return non-zero if path 'name' has a leading symlink component + */ +int has_symlink_leading_path(int len, const char *name) +{ + return lstat_cache(len, name, + FL_SYMLINK|FL_DIR, USE_ONLY_LSTAT) & + FL_SYMLINK; +} + +/* + * Return non-zero if path 'name' has a leading symlink component or + * if some leading path component does not exists. + */ +int has_symlink_or_noent_leading_path(int len, const char *name) +{ + return lstat_cache(len, name, + FL_SYMLINK|FL_NOENT|FL_DIR, USE_ONLY_LSTAT) & + (FL_SYMLINK|FL_NOENT); +} + +/* + * Return non-zero if all path components of 'name' exists as a + * directory. If prefix_len > 0, we will test with the stat() + * function instead of the lstat() function for a prefix length of + * 'prefix_len', thus we then allow for symlinks in the prefix part as + * long as those points to real existing directories. + */ +int has_dirs_only_path(int len, const char *name, int prefix_len) +{ + return lstat_cache(len, name, + FL_DIR|FL_FULLPATH, prefix_len) & + FL_DIR; } @@ -212,6 +212,24 @@ library for your script to use. is to summarize successes and failures in the test script and exit with an appropriate error code. + - test_tick + + Make commit and tag names consistent by setting the author and + committer times to defined stated. Subsequent calls will + advance the times by a fixed amount. + + - test_commit <message> [<filename> [<contents>]] + + Creates a commit with the given message, committing the given + file with the given contents (default for both is to reuse the + message string), and adds a tag (again reusing the message + string as name). Calls test_tick to make the SHA-1s + reproducible. + + - test_merge <message> <commit-or-tag> + + Merges the given rev using the given message. Like test_commit, + creates a tag and calls test_tick before committing. Tips for Writing Tests ---------------------- diff --git a/t/lib-httpd.sh b/t/lib-httpd.sh index 6ac312b90..3824020ca 100644 --- a/t/lib-httpd.sh +++ b/t/lib-httpd.sh @@ -20,9 +20,9 @@ HTTPD_DOCUMENT_ROOT_PATH=$HTTPD_ROOT_PATH/www if ! test -x "$LIB_HTTPD_PATH" then - say "skipping test, no web server found at '$LIB_HTTPD_PATH'" - test_done - exit + say "skipping test, no web server found at '$LIB_HTTPD_PATH'" + test_done + exit fi HTTPD_VERSION=`$LIB_HTTPD_PATH -v | \ @@ -84,7 +84,7 @@ prepare_httpd() { start_httpd() { prepare_httpd - trap 'stop_httpd; die' exit + trap 'stop_httpd; die' EXIT "$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \ -f "$TEST_PATH/apache.conf" $HTTPD_PARA \ @@ -92,7 +92,7 @@ start_httpd() { } stop_httpd() { - trap 'die' exit + trap 'die' EXIT "$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \ -f "$TEST_PATH/apache.conf" -k stop diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh new file mode 100644 index 000000000..260a23193 --- /dev/null +++ b/t/lib-rebase.sh @@ -0,0 +1,48 @@ +#!/bin/sh + +# After setting the fake editor with this function, you can +# +# - override the commit message with $FAKE_COMMIT_MESSAGE, +# - amend the commit message with $FAKE_COMMIT_AMEND +# - check that non-commit messages have a certain line count with $EXPECT_COUNT +# - rewrite a rebase -i script with $FAKE_LINES in the form +# +# "[<lineno1>] [<lineno2>]..." +# +# If a line number is prefixed with "squash" or "edit", the respective line's +# command will be replaced with the specified one. + +set_fake_editor () { + echo "#!$SHELL_PATH" >fake-editor.sh + cat >> fake-editor.sh <<\EOF +case "$1" in +*/COMMIT_EDITMSG) + test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1" + test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1" + exit + ;; +esac +test -z "$EXPECT_COUNT" || + test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) || + exit +test -z "$FAKE_LINES" && exit +grep -v '^#' < "$1" > "$1".tmp +rm -f "$1" +cat "$1".tmp +action=pick +for line in $FAKE_LINES; do + case $line in + squash|edit) + action="$line";; + *) + echo sed -n "${line}s/^pick/$action/p" + sed -n "${line}p" < "$1".tmp + sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1" + action=pick;; + esac +done +EOF + + test_set_editor "$(pwd)/fake-editor.sh" + chmod a+x fake-editor.sh +} diff --git a/t/t0005-signals.sh b/t/t0005-signals.sh new file mode 100755 index 000000000..09f855af3 --- /dev/null +++ b/t/t0005-signals.sh @@ -0,0 +1,22 @@ +#!/bin/sh + +test_description='signals work as we expect' +. ./test-lib.sh + +cat >expect <<EOF +three +two +one +EOF + +test_expect_success 'sigchain works' ' + test-sigchain >actual + case "$?" in + 143) true ;; # POSIX w/ SIGTERM=15 + 3) true ;; # Windows + *) false ;; + esac && + test_cmp expect actual +' + +test_done diff --git a/t/t0070-fundamental.sh b/t/t0070-fundamental.sh new file mode 100755 index 000000000..680d7d686 --- /dev/null +++ b/t/t0070-fundamental.sh @@ -0,0 +1,15 @@ +#!/bin/sh + +test_description='check that the most basic functions work + + +Verify wrappers and compatibility functions. +' + +. ./test-lib.sh + +test_expect_success 'character classes (isspace, isalpha etc.)' ' + test-ctype +' + +test_done diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh index f6a6f839a..27dc6c55d 100755 --- a/t/t1501-worktree.sh +++ b/t/t1501-worktree.sh @@ -92,6 +92,13 @@ cd sub/dir || exit 1 test_rev_parse 'in repo.git/sub/dir' false true true sub/dir/ cd ../../../.. || exit 1 +test_expect_success 'detecting gitdir when cwd is in a subdir of gitdir' ' + (expected=$(pwd)/repo.git && + cd repo.git/refs && + unset GIT_DIR && + test "$expected" = "$(git rev-parse --git-dir)") +' + test_expect_success 'repo finds its work tree' ' (cd repo.git && : > work/sub/dir/untracked && diff --git a/t/t1505-rev-parse-last.sh b/t/t1505-rev-parse-last.sh new file mode 100755 index 000000000..d709ecf8d --- /dev/null +++ b/t/t1505-rev-parse-last.sh @@ -0,0 +1,69 @@ +#!/bin/sh + +test_description='test @{-N} syntax' + +. ./test-lib.sh + + +make_commit () { + echo "$1" > "$1" && + git add "$1" && + git commit -m "$1" +} + + +test_expect_success 'setup' ' + + make_commit 1 && + git branch side && + make_commit 2 && + make_commit 3 && + git checkout side && + make_commit 4 && + git merge master && + git checkout master + +' + +# 1 -- 2 -- 3 master +# \ \ +# \ \ +# --- 4 --- 5 side +# +# and 'side' should be the last branch + +test_rev_equivalent () { + + git rev-parse "$1" > expect && + git rev-parse "$2" > output && + test_cmp expect output + +} + +test_expect_success '@{-1} works' ' + test_rev_equivalent side @{-1} +' + +test_expect_success '@{-1}~2 works' ' + test_rev_equivalent side~2 @{-1}~2 +' + +test_expect_success '@{-1}^2 works' ' + test_rev_equivalent side^2 @{-1}^2 +' + +test_expect_success '@{-1}@{1} works' ' + test_rev_equivalent side@{1} @{-1}@{1} +' + +test_expect_success '@{-2} works' ' + test_rev_equivalent master @{-2} +' + +test_expect_success '@{-3} fails' ' + test_must_fail git rev-parse @{-3} +' + +test_done + + diff --git a/t/t2012-checkout-last.sh b/t/t2012-checkout-last.sh new file mode 100755 index 000000000..87b30a268 --- /dev/null +++ b/t/t2012-checkout-last.sh @@ -0,0 +1,94 @@ +#!/bin/sh + +test_description='checkout can switch to last branch' + +. ./test-lib.sh + +test_expect_success 'setup' ' + echo hello >world && + git add world && + git commit -m initial && + git branch other && + echo "hello again" >>world && + git add world && + git commit -m second +' + +test_expect_success '"checkout -" does not work initially' ' + test_must_fail git checkout - +' + +test_expect_success 'first branch switch' ' + git checkout other +' + +test_expect_success '"checkout -" switches back' ' + git checkout - && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master" +' + +test_expect_success '"checkout -" switches forth' ' + git checkout - && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other" +' + +test_expect_success 'detach HEAD' ' + git checkout $(git rev-parse HEAD) +' + +test_expect_success '"checkout -" attaches again' ' + git checkout - && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other" +' + +test_expect_success '"checkout -" detaches again' ' + git checkout - && + test "z$(git rev-parse HEAD)" = "z$(git rev-parse other)" && + test_must_fail git symbolic-ref HEAD +' + +test_expect_success 'more switches' ' + for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 + do + git checkout -b branch$i + done +' + +more_switches () { + for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 + do + git checkout branch$i + done +} + +test_expect_success 'switch to the last' ' + more_switches && + git checkout @{-1} && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch2" +' + +test_expect_success 'switch to second from the last' ' + more_switches && + git checkout @{-2} && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch3" +' + +test_expect_success 'switch to third from the last' ' + more_switches && + git checkout @{-3} && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch4" +' + +test_expect_success 'switch to fourth from the last' ' + more_switches && + git checkout @{-4} && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch5" +' + +test_expect_success 'switch to twelfth from the last' ' + more_switches && + git checkout @{-12} && + test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch13" +' + +test_done diff --git a/t/t2300-cd-to-toplevel.sh b/t/t2300-cd-to-toplevel.sh index beddb4e9f..e42cbfe6c 100755 --- a/t/t2300-cd-to-toplevel.sh +++ b/t/t2300-cd-to-toplevel.sh @@ -10,12 +10,12 @@ test_cd_to_toplevel () { cd '"'$1'"' && . git-sh-setup && cd_to_toplevel && - [ "$(/bin/pwd)" = "$TOPLEVEL" ] + [ "$(unset PWD; /bin/pwd)" = "$TOPLEVEL" ] ) ' } -TOPLEVEL="$(/bin/pwd)/repo" +TOPLEVEL="$(unset PWD; /bin/pwd)/repo" mkdir -p repo/sub/dir mv .git repo/ SUBDIRECTORY_OK=1 diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index 2cc8e7abe..603b003ed 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -10,6 +10,10 @@ that the result still makes sense. ' . ./test-lib.sh +. ../lib-rebase.sh + +set_fake_editor + # set up two branches like this: # # A - B - C - D - E @@ -61,39 +65,6 @@ test_expect_success 'setup' ' git tag I ' -echo "#!$SHELL_PATH" >fake-editor.sh -cat >> fake-editor.sh <<\EOF -case "$1" in -*/COMMIT_EDITMSG) - test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1" - test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1" - exit - ;; -esac -test -z "$EXPECT_COUNT" || - test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) || - exit -test -z "$FAKE_LINES" && exit -grep -v '^#' < "$1" > "$1".tmp -rm -f "$1" -cat "$1".tmp -action=pick -for line in $FAKE_LINES; do - case $line in - squash|edit) - action="$line";; - *) - echo sed -n "${line}s/^pick/$action/p" - sed -n "${line}p" < "$1".tmp - sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1" - action=pick;; - esac -done -EOF - -test_set_editor "$(pwd)/fake-editor.sh" -chmod a+x fake-editor.sh - test_expect_success 'no changes are a nop' ' git rebase -i F && test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" && @@ -462,4 +433,30 @@ test_expect_success 'do "noop" when there is nothing to cherry-pick' ' ' +test_expect_success 'submodule rebase setup' ' + git checkout A && + mkdir sub && + ( + cd sub && git init && >elif && + git add elif && git commit -m "submodule initial" + ) && + echo 1 >file1 && + git add file1 sub + test_tick && + git commit -m "One" && + echo 2 >file1 && + test_tick && + git commit -a -m "Two" && + ( + cd sub && echo 3 >elif && + git commit -a -m "submodule second" + ) && + test_tick && + git commit -a -m "Three changes submodule" +' + +test_expect_success 'submodule rebase -i' ' + FAKE_LINES="1 squash 2 3" git rebase -i A +' + test_done diff --git a/t/t3409-rebase-hook.sh b/t/t3409-rebase-hook.sh index 1f1b85067..098b75507 100755 --- a/t/t3409-rebase-hook.sh +++ b/t/t3409-rebase-hook.sh @@ -118,7 +118,11 @@ test_expect_success 'pre-rebase hook stops rebase (1)' ' test_expect_success 'pre-rebase hook stops rebase (2)' ' git checkout test && git reset --hard side && - EDITOR=true test_must_fail git rebase -i master && + ( + EDITOR=: + export EDITOR + test_must_fail git rebase -i master + ) && test "z$(git symbolic-ref HEAD)" = zrefs/heads/test && test 0 = $(git rev-list HEAD...side | wc -l) ' diff --git a/t/t3410-rebase-preserve-dropped-merges.sh b/t/t3410-rebase-preserve-dropped-merges.sh index 5816415aa..c49143a1a 100755 --- a/t/t3410-rebase-preserve-dropped-merges.sh +++ b/t/t3410-rebase-preserve-dropped-merges.sh @@ -22,47 +22,17 @@ rewritten. # where B, D and G touch the same file. test_expect_success 'setup' ' - : > file1 && - git add file1 && - test_tick && - git commit -m A && - git tag A && - echo 1 > file1 && - test_tick && - git commit -m B file1 && - : > file2 && - git add file2 && - test_tick && - git commit -m C && - echo 2 > file1 && - test_tick && - git commit -m D file1 && - : > file3 && - git add file3 && - test_tick && - git commit -m E && - git tag E && - git checkout -b branch1 A && - : > file4 && - git add file4 && - test_tick && - git commit -m F && - git tag F && - echo 3 > file1 && - test_tick && - git commit -m G file1 && - git tag G && - : > file5 && - git add file5 && - test_tick && - git commit -m H && - git tag H && - git checkout -b branch2 F && - : > file6 && - git add file6 && - test_tick && - git commit -m I && - git tag I + test_commit A file1 && + test_commit B file1 1 && + test_commit C file2 && + test_commit D file1 2 && + test_commit E file3 && + git checkout A && + test_commit F file4 && + test_commit G file1 3 && + test_commit H file5 && + git checkout F && + test_commit I file6 ' # A - B - C - D - E @@ -72,68 +42,44 @@ test_expect_success 'setup' ' # I -- G2 -- J -- K I -- K # G2 = same changes as G test_expect_success 'skip same-resolution merges with -p' ' - git checkout branch1 && + git checkout H && ! git merge E && - echo 23 > file1 && - git add file1 && - git commit -m L && - git checkout branch2 && - echo 3 > file1 && - git commit -a -m G2 && + test_commit L file1 23 && + git checkout I && + test_commit G2 file1 3 && ! git merge E && - echo 23 > file1 && - git add file1 && - git commit -m J && - echo file7 > file7 && - git add file7 && - git commit -m K && - GIT_EDITOR=: git rebase -i -p branch1 && - test $(git rev-parse branch2^^) = $(git rev-parse branch1) && + test_commit J file1 23 && + test_commit K file7 file7 && + git rebase -i -p L && + test $(git rev-parse HEAD^^) = $(git rev-parse L) && test "23" = "$(cat file1)" && - test "" = "$(cat file6)" && - test "file7" = "$(cat file7)" && - - git checkout branch1 && - git reset --hard H && - git checkout branch2 && - git reset --hard I + test "I" = "$(cat file6)" && + test "file7" = "$(cat file7)" ' # A - B - C - D - E # \ \ \ -# F - G - H -- L \ --> L -# \ | \ -# I -- G2 -- J -- K I -- G2 -- K +# F - G - H -- L2 \ --> L2 +# \ | \ +# I -- G3 --- J2 -- K2 I -- G3 -- K2 # G2 = different changes as G test_expect_success 'keep different-resolution merges with -p' ' - git checkout branch1 && + git checkout H && ! git merge E && - echo 23 > file1 && - git add file1 && - git commit -m L && - git checkout branch2 && - echo 4 > file1 && - git commit -a -m G2 && + test_commit L2 file1 23 && + git checkout I && + test_commit G3 file1 4 && ! git merge E && - echo 24 > file1 && - git add file1 && - git commit -m J && - echo file7 > file7 && - git add file7 && - git commit -m K && - ! GIT_EDITOR=: git rebase -i -p branch1 && + test_commit J2 file1 24 && + test_commit K2 file7 file7 && + test_must_fail git rebase -i -p L2 && echo 234 > file1 && git add file1 && - GIT_EDITOR=: git rebase --continue && - test $(git rev-parse branch2^^^) = $(git rev-parse branch1) && + git rebase --continue && + test $(git rev-parse HEAD^^^) = $(git rev-parse L2) && test "234" = "$(cat file1)" && - test "" = "$(cat file6)" && - test "file7" = "$(cat file7)" && - - git checkout branch1 && - git reset --hard H && - git checkout branch2 && - git reset --hard I + test "I" = "$(cat file6)" && + test "file7" = "$(cat file7)" ' test_done diff --git a/t/t3411-rebase-preserve-around-merges.sh b/t/t3411-rebase-preserve-around-merges.sh index aacfaae84..653350521 100755 --- a/t/t3411-rebase-preserve-around-merges.sh +++ b/t/t3411-rebase-preserve-around-merges.sh @@ -5,44 +5,14 @@ test_description='git rebase preserve merges -This test runs git rebase with and tries to squash a commit from after a merge -to before the merge. +This test runs git rebase with -p and tries to squash a commit from after +a merge to before the merge. ' . ./test-lib.sh -# Copy/paste from t3404-rebase-interactive.sh -echo "#!$SHELL_PATH" >fake-editor.sh -cat >> fake-editor.sh <<\EOF -case "$1" in -*/COMMIT_EDITMSG) - test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1" - test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1" - exit - ;; -esac -test -z "$EXPECT_COUNT" || - test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) || - exit -test -z "$FAKE_LINES" && exit -grep -v '^#' < "$1" > "$1".tmp -rm -f "$1" -cat "$1".tmp -action=pick -for line in $FAKE_LINES; do - case $line in - squash|edit) - action="$line";; - *) - echo sed -n "${line}s/^pick/$action/p" - sed -n "${line}p" < "$1".tmp - sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1" - action=pick;; - esac -done -EOF +. ../lib-rebase.sh -test_set_editor "$(pwd)/fake-editor.sh" -chmod a+x fake-editor.sh +set_fake_editor # set up two branches like this: # @@ -51,27 +21,13 @@ chmod a+x fake-editor.sh # -- C1 -- test_expect_success 'setup' ' - touch a && - touch b && - git add a && - git commit -m A1 && - git tag A1 - git add b && - git commit -m B1 && - git tag B1 && - git checkout -b branch && - touch c && - git add c && - git commit -m C1 && - git checkout master && - touch d && - git add d && - git commit -m D1 && - git merge branch && - touch f && - git add f && - git commit -m F1 && - git tag F1 + test_commit A1 && + test_commit B1 && + test_commit C1 && + git reset --hard B1 && + test_commit D1 && + test_merge E1 C1 && + test_commit F1 ' # Should result in: @@ -82,7 +38,7 @@ test_expect_success 'setup' ' # test_expect_success 'squash F1 into D1' ' FAKE_LINES="1 squash 3 2" git rebase -i -p B1 && - test "$(git rev-parse HEAD^2)" = "$(git rev-parse branch)" && + test "$(git rev-parse HEAD^2)" = "$(git rev-parse C1)" && test "$(git rev-parse HEAD~2)" = "$(git rev-parse B1)" && git tag E2 ' @@ -100,32 +56,15 @@ test_expect_success 'squash F1 into D1' ' # And rebase G1..M1 onto E2 test_expect_success 'rebase two levels of merge' ' - git checkout -b branch2 A1 && - touch g && - git add g && - git commit -m G1 && - git checkout -b branch3 && - touch h - git add h && - git commit -m H1 && - git checkout -b branch4 && - touch i && - git add i && - git commit -m I1 && - git tag I1 && - git checkout branch3 && - touch j && - git add j && - git commit -m J1 && - git merge I1 --no-commit && - git commit -m K1 && - git tag K1 && - git checkout branch2 && - touch l && - git add l && - git commit -m L1 && - git merge K1 --no-commit && - git commit -m M1 && + test_commit G1 && + test_commit H1 && + test_commit I1 && + git checkout -b branch3 H1 && + test_commit J1 && + test_merge K1 I1 && + git checkout -b branch2 G1 && + test_commit L1 && + test_merge M1 K1 && GIT_EDITOR=: git rebase -i -p E2 && test "$(git rev-parse HEAD~3)" = "$(git rev-parse E2)" && test "$(git rev-parse HEAD~2)" = "$(git rev-parse HEAD^2^2~2)" && diff --git a/t/t3412-rebase-root.sh b/t/t3412-rebase-root.sh new file mode 100755 index 000000000..8a9154a42 --- /dev/null +++ b/t/t3412-rebase-root.sh @@ -0,0 +1,271 @@ +#!/bin/sh + +test_description='git rebase --root + +Tests if git rebase --root --onto <newparent> can rebase the root commit. +' +. ./test-lib.sh + +# we always run the interactive rebases unchanged, so just disable the editor +GIT_EDITOR=: +export GIT_EDITOR + +test_expect_success 'prepare repository' ' + test_commit 1 A && + test_commit 2 A && + git symbolic-ref HEAD refs/heads/other && + rm .git/index && + test_commit 3 B && + test_commit 1b A 1 && + test_commit 4 B +' + +test_expect_success 'rebase --root expects --onto' ' + test_must_fail git rebase --root +' + +test_expect_success 'setup pre-rebase hook' ' + mkdir -p .git/hooks && + cat >.git/hooks/pre-rebase <<EOF && +#!$SHELL_PATH +echo "\$1,\$2" >.git/PRE-REBASE-INPUT +EOF + chmod +x .git/hooks/pre-rebase +' +cat > expect <<EOF +4 +3 +2 +1 +EOF + +test_expect_success 'rebase --root --onto <newbase>' ' + git checkout -b work && + git rebase --root --onto master && + git log --pretty=tformat:"%s" > rebased && + test_cmp expect rebased +' + +test_expect_success 'pre-rebase got correct input (1)' ' + test "z$(cat .git/PRE-REBASE-INPUT)" = z--root, +' + +test_expect_success 'rebase --root --onto <newbase> <branch>' ' + git branch work2 other && + git rebase --root --onto master work2 && + git log --pretty=tformat:"%s" > rebased2 && + test_cmp expect rebased2 +' + +test_expect_success 'pre-rebase got correct input (2)' ' + test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,work2 +' + +test_expect_success 'rebase -i --root --onto <newbase>' ' + git checkout -b work3 other && + git rebase -i --root --onto master && + git log --pretty=tformat:"%s" > rebased3 && + test_cmp expect rebased3 +' + +test_expect_success 'pre-rebase got correct input (3)' ' + test "z$(cat .git/PRE-REBASE-INPUT)" = z--root, +' + +test_expect_success 'rebase -i --root --onto <newbase> <branch>' ' + git branch work4 other && + git rebase -i --root --onto master work4 && + git log --pretty=tformat:"%s" > rebased4 && + test_cmp expect rebased4 +' + +test_expect_success 'pre-rebase got correct input (4)' ' + test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,work4 +' + +test_expect_success 'rebase -i -p with linear history' ' + git checkout -b work5 other && + git rebase -i -p --root --onto master && + git log --pretty=tformat:"%s" > rebased5 && + test_cmp expect rebased5 +' + +test_expect_success 'pre-rebase got correct input (5)' ' + test "z$(cat .git/PRE-REBASE-INPUT)" = z--root, +' + +test_expect_success 'set up merge history' ' + git checkout other^ && + git checkout -b side && + test_commit 5 C && + git checkout other && + git merge side +' + +sed 's/#/ /g' > expect-side <<'EOF' +* Merge branch 'side' into other +|\## +| * 5 +* | 4 +|/## +* 3 +* 2 +* 1 +EOF + +test_expect_success 'rebase -i -p with merge' ' + git checkout -b work6 other && + git rebase -i -p --root --onto master && + git log --graph --topo-order --pretty=tformat:"%s" > rebased6 && + test_cmp expect-side rebased6 +' + +test_expect_success 'set up second root and merge' ' + git symbolic-ref HEAD refs/heads/third && + rm .git/index && + rm A B C && + test_commit 6 D && + git checkout other && + git merge third +' + +sed 's/#/ /g' > expect-third <<'EOF' +* Merge branch 'third' into other +|\## +| * 6 +* | Merge branch 'side' into other +|\ \## +| * | 5 +* | | 4 +|/ /## +* | 3 +|/## +* 2 +* 1 +EOF + +test_expect_success 'rebase -i -p with two roots' ' + git checkout -b work7 other && + git rebase -i -p --root --onto master && + git log --graph --topo-order --pretty=tformat:"%s" > rebased7 && + test_cmp expect-third rebased7 +' + +test_expect_success 'setup pre-rebase hook that fails' ' + mkdir -p .git/hooks && + cat >.git/hooks/pre-rebase <<EOF && +#!$SHELL_PATH +false +EOF + chmod +x .git/hooks/pre-rebase +' + +test_expect_success 'pre-rebase hook stops rebase' ' + git checkout -b stops1 other && + test_must_fail git rebase --root --onto master && + test "z$(git symbolic-ref HEAD)" = zrefs/heads/stops1 + test 0 = $(git rev-list other...stops1 | wc -l) +' + +test_expect_success 'pre-rebase hook stops rebase -i' ' + git checkout -b stops2 other && + test_must_fail git rebase --root --onto master && + test "z$(git symbolic-ref HEAD)" = zrefs/heads/stops2 + test 0 = $(git rev-list other...stops2 | wc -l) +' + +test_expect_success 'remove pre-rebase hook' ' + rm -f .git/hooks/pre-rebase +' + +test_expect_success 'set up a conflict' ' + git checkout master && + echo conflict > B && + git add B && + git commit -m conflict +' + +test_expect_success 'rebase --root with conflict (first part)' ' + git checkout -b conflict1 other && + test_must_fail git rebase --root --onto master && + git ls-files -u | grep "B$" +' + +test_expect_success 'fix the conflict' ' + echo 3 > B && + git add B +' + +cat > expect-conflict <<EOF +6 +5 +4 +3 +conflict +2 +1 +EOF + +test_expect_success 'rebase --root with conflict (second part)' ' + git rebase --continue && + git log --pretty=tformat:"%s" > conflict1 && + test_cmp expect-conflict conflict1 +' + +test_expect_success 'rebase -i --root with conflict (first part)' ' + git checkout -b conflict2 other && + test_must_fail git rebase -i --root --onto master && + git ls-files -u | grep "B$" +' + +test_expect_success 'fix the conflict' ' + echo 3 > B && + git add B +' + +test_expect_success 'rebase -i --root with conflict (second part)' ' + git rebase --continue && + git log --pretty=tformat:"%s" > conflict2 && + test_cmp expect-conflict conflict2 +' + +cat >expect-conflict-p <<\EOF +commit conflict3 conflict3~1 conflict3^2 +Merge branch 'third' into other +commit conflict3^2 conflict3~4 +6 +commit conflict3~1 conflict3~2 conflict3~1^2 +Merge branch 'side' into other +commit conflict3~1^2 conflict3~3 +5 +commit conflict3~2 conflict3~3 +4 +commit conflict3~3 conflict3~4 +3 +commit conflict3~4 conflict3~5 +conflict +commit conflict3~5 conflict3~6 +2 +commit conflict3~6 +1 +EOF + +test_expect_success 'rebase -i -p --root with conflict (first part)' ' + git checkout -b conflict3 other && + test_must_fail git rebase -i -p --root --onto master && + git ls-files -u | grep "B$" +' + +test_expect_success 'fix the conflict' ' + echo 3 > B && + git add B +' + +test_expect_success 'rebase -i -p --root with conflict (second part)' ' + git rebase --continue && + git rev-list --topo-order --parents --pretty="tformat:%s" HEAD | + git name-rev --stdin --name-only --refs=refs/heads/conflict3 >out && + test_cmp expect-conflict-p out +' + +test_done diff --git a/t/t4011-diff-symlink.sh b/t/t4011-diff-symlink.sh index 02efecae3..9055c8b31 100755 --- a/t/t4011-diff-symlink.sh +++ b/t/t4011-diff-symlink.sh @@ -82,4 +82,11 @@ test_expect_success \ git diff-index -M -p $tree > current && compare_diff_patch current expected' +test_expect_success \ + 'diff symlinks with non-existing targets' \ + 'ln -s narf pinky && + ln -s take\ over brain && + test_must_fail git diff --no-index pinky brain > output 2> output.err && + grep narf output && + ! grep error output.err' test_done diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index 9d99dc288..f045898fe 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -3,7 +3,7 @@ # Copyright (c) 2006 Junio C Hamano # -test_description='Format-patch skipping already incorporated patches' +test_description='various format-patch tests' . ./test-lib.sh @@ -255,4 +255,54 @@ test_expect_success 'format-patch respects -U' ' ' +test_expect_success 'format-patch from a subdirectory (1)' ' + filename=$( + rm -rf sub && + mkdir -p sub/dir && + cd sub/dir && + git format-patch -1 + ) && + case "$filename" in + 0*) + ;; # ok + *) + echo "Oops? $filename" + false + ;; + esac && + test -f "$filename" +' + +test_expect_success 'format-patch from a subdirectory (2)' ' + filename=$( + rm -rf sub && + mkdir -p sub/dir && + cd sub/dir && + git format-patch -1 -o .. + ) && + case "$filename" in + ../0*) + ;; # ok + *) + echo "Oops? $filename" + false + ;; + esac && + basename=$(expr "$filename" : ".*/\(.*\)") && + test -f "sub/$basename" +' + +test_expect_success 'format-patch from a subdirectory (3)' ' + here="$TEST_DIRECTORY/$test" && + rm -f 0* && + filename=$( + rm -rf sub && + mkdir -p sub/dir && + cd sub/dir && + git format-patch -1 -o "$here" + ) && + basename=$(expr "$filename" : ".*/\(.*\)") && + test -f "$basename" +' + test_done diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh index fc2307eaa..6d13da30d 100755 --- a/t/t4015-diff-whitespace.sh +++ b/t/t4015-diff-whitespace.sh @@ -98,6 +98,12 @@ index d99af23..8b32fb5 100644 EOF git diff -w > out test_expect_success 'another test, with -w' 'test_cmp expect out' +git diff -w -b > out +test_expect_success 'another test, with -w -b' 'test_cmp expect out' +git diff -w --ignore-space-at-eol > out +test_expect_success 'another test, with -w --ignore-space-at-eol' 'test_cmp expect out' +git diff -w -b --ignore-space-at-eol > out +test_expect_success 'another test, with -w -b --ignore-space-at-eol' 'test_cmp expect out' tr 'Q' '\015' << EOF > expect diff --git a/x b/x @@ -116,6 +122,27 @@ index d99af23..8b32fb5 100644 EOF git diff -b > out test_expect_success 'another test, with -b' 'test_cmp expect out' +git diff -b --ignore-space-at-eol > out +test_expect_success 'another test, with -b --ignore-space-at-eol' 'test_cmp expect out' + +tr 'Q' '\015' << EOF > expect +diff --git a/x b/x +index d99af23..8b32fb5 100644 +--- a/x ++++ b/x +@@ -1,6 +1,6 @@ +-whitespace at beginning +-whitespace change +-whitespace in the middle ++ whitespace at beginning ++whitespace change ++white space in the middle + whitespace at end + unchanged line + CR at endQ +EOF +git diff --ignore-space-at-eol > out +test_expect_success 'another test, with --ignore-space-at-eol' 'test_cmp expect out' test_expect_success 'check mixed spaces and tabs in indent' ' diff --git a/t/t4030-diff-textconv.sh b/t/t4030-diff-textconv.sh index 2f27a0ba9..a3f0897a5 100755 --- a/t/t4030-diff-textconv.sh +++ b/t/t4030-diff-textconv.sh @@ -104,7 +104,7 @@ cat >expect.typechange <<'EOF' -1 diff --git a/file b/file new file mode 120000 -index ad8b3d2..67be421 +index 0000000..67be421 --- /dev/null +++ b/file @@ -0,0 +1 @@ diff --git a/t/t4032-diff-inter-hunk-context.sh b/t/t4032-diff-inter-hunk-context.sh new file mode 100755 index 000000000..e4e3e28fc --- /dev/null +++ b/t/t4032-diff-inter-hunk-context.sh @@ -0,0 +1,92 @@ +#!/bin/sh + +test_description='diff hunk fusing' + +. ./test-lib.sh + +f() { + echo $1 + i=1 + while test $i -le $2 + do + echo $i + i=$(expr $i + 1) + done + echo $3 +} + +t() { + case $# in + 4) hunks=$4; cmd="diff -U$3";; + 5) hunks=$5; cmd="diff -U$3 --inter-hunk-context=$4";; + esac + label="$cmd, $1 common $2" + file=f$1 + expected=expected.$file.$3.$hunks + + if ! test -f $file + then + f A $1 B >$file + git add $file + git commit -q -m. $file + f X $1 Y >$file + fi + + test_expect_success "$label: count hunks ($hunks)" " + test $(git $cmd $file | grep '^@@ ' | wc -l) = $hunks + " + + test -f $expected && + test_expect_success "$label: check output" " + git $cmd $file | grep -v '^index ' >actual && + test_cmp $expected actual + " +} + +cat <<EOF >expected.f1.0.1 || exit 1 +diff --git a/f1 b/f1 +--- a/f1 ++++ b/f1 +@@ -1,3 +1,3 @@ +-A ++X + 1 +-B ++Y +EOF + +cat <<EOF >expected.f1.0.2 || exit 1 +diff --git a/f1 b/f1 +--- a/f1 ++++ b/f1 +@@ -1 +1 @@ +-A ++X +@@ -3 +3 @@ A +-B ++Y +EOF + +# common lines ctx intrctx hunks +t 1 line 0 2 +t 1 line 0 0 2 +t 1 line 0 1 1 +t 1 line 0 2 1 +t 1 line 1 1 + +t 2 lines 0 2 +t 2 lines 0 0 2 +t 2 lines 0 1 2 +t 2 lines 0 2 1 +t 2 lines 1 1 + +t 3 lines 1 2 +t 3 lines 1 0 2 +t 3 lines 1 1 1 +t 3 lines 1 2 1 + +t 9 lines 3 2 +t 9 lines 3 2 2 +t 9 lines 3 3 1 + +test_done diff --git a/t/t4033-diff-patience.sh b/t/t4033-diff-patience.sh new file mode 100755 index 000000000..1eb14989d --- /dev/null +++ b/t/t4033-diff-patience.sh @@ -0,0 +1,168 @@ +#!/bin/sh + +test_description='patience diff algorithm' + +. ./test-lib.sh + +cat >file1 <<\EOF +#include <stdio.h> + +// Frobs foo heartily +int frobnitz(int foo) +{ + int i; + for(i = 0; i < 10; i++) + { + printf("Your answer is: "); + printf("%d\n", foo); + } +} + +int fact(int n) +{ + if(n > 1) + { + return fact(n-1) * n; + } + return 1; +} + +int main(int argc, char **argv) +{ + frobnitz(fact(10)); +} +EOF + +cat >file2 <<\EOF +#include <stdio.h> + +int fib(int n) +{ + if(n > 2) + { + return fib(n-1) + fib(n-2); + } + return 1; +} + +// Frobs foo heartily +int frobnitz(int foo) +{ + int i; + for(i = 0; i < 10; i++) + { + printf("%d\n", foo); + } +} + +int main(int argc, char **argv) +{ + frobnitz(fib(10)); +} +EOF + +cat >expect <<\EOF +diff --git a/file1 b/file2 +index 6faa5a3..e3af329 100644 +--- a/file1 ++++ b/file2 +@@ -1,26 +1,25 @@ + #include <stdio.h> + ++int fib(int n) ++{ ++ if(n > 2) ++ { ++ return fib(n-1) + fib(n-2); ++ } ++ return 1; ++} ++ + // Frobs foo heartily + int frobnitz(int foo) + { + int i; + for(i = 0; i < 10; i++) + { +- printf("Your answer is: "); + printf("%d\n", foo); + } + } + +-int fact(int n) +-{ +- if(n > 1) +- { +- return fact(n-1) * n; +- } +- return 1; +-} +- + int main(int argc, char **argv) + { +- frobnitz(fact(10)); ++ frobnitz(fib(10)); + } +EOF + +test_expect_success 'patience diff' ' + + test_must_fail git diff --no-index --patience file1 file2 > output && + test_cmp expect output + +' + +test_expect_success 'patience diff output is valid' ' + + mv file2 expect && + git apply < output && + test_cmp expect file2 + +' + +cat >uniq1 <<\EOF +1 +2 +3 +4 +5 +6 +EOF + +cat >uniq2 <<\EOF +a +b +c +d +e +f +EOF + +cat >expect <<\EOF +diff --git a/uniq1 b/uniq2 +index b414108..0fdf397 100644 +--- a/uniq1 ++++ b/uniq2 +@@ -1,6 +1,6 @@ +-1 +-2 +-3 +-4 +-5 +-6 ++a ++b ++c ++d ++e ++f +EOF + +test_expect_success 'completely different files' ' + + test_must_fail git diff --no-index --patience uniq1 uniq2 > output && + test_cmp expect output + +' + +test_done diff --git a/t/t4034-diff-words.sh b/t/t4034-diff-words.sh new file mode 100755 index 000000000..4508effca --- /dev/null +++ b/t/t4034-diff-words.sh @@ -0,0 +1,200 @@ +#!/bin/sh + +test_description='word diff colors' + +. ./test-lib.sh + +test_expect_success setup ' + + git config diff.color.old red + git config diff.color.new green + +' + +decrypt_color () { + sed \ + -e 's/.\[1m/<WHITE>/g' \ + -e 's/.\[31m/<RED>/g' \ + -e 's/.\[32m/<GREEN>/g' \ + -e 's/.\[36m/<BROWN>/g' \ + -e 's/.\[m/<RESET>/g' +} + +word_diff () { + test_must_fail git diff --no-index "$@" pre post > output && + decrypt_color < output > output.decrypted && + test_cmp expect output.decrypted +} + +cat > pre <<\EOF +h(4) + +a = b + c +EOF + +cat > post <<\EOF +h(4),hh[44] + +a = b + c + +aa = a + +aeff = aeff * ( aaa ) +EOF + +cat > expect <<\EOF +<WHITE>diff --git a/pre b/post<RESET> +<WHITE>index 330b04f..5ed8eff 100644<RESET> +<WHITE>--- a/pre<RESET> +<WHITE>+++ b/post<RESET> +<BROWN>@@ -1,3 +1,7 @@<RESET> +<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET> +<RESET> +a = b + c<RESET> + +<GREEN>aa = a<RESET> + +<GREEN>aeff = aeff * ( aaa )<RESET> +EOF + +test_expect_success 'word diff with runs of whitespace' ' + + word_diff --color-words + +' + +cat > expect <<\EOF +<WHITE>diff --git a/pre b/post<RESET> +<WHITE>index 330b04f..5ed8eff 100644<RESET> +<WHITE>--- a/pre<RESET> +<WHITE>+++ b/post<RESET> +<BROWN>@@ -1,3 +1,7 @@<RESET> +h(4),<GREEN>hh<RESET>[44] +<RESET> +a = b + c<RESET> + +<GREEN>aa = a<RESET> + +<GREEN>aeff = aeff * ( aaa<RESET> ) +EOF +cp expect expect.letter-runs-are-words + +test_expect_success 'word diff with a regular expression' ' + + word_diff --color-words="[a-z]+" + +' + +test_expect_success 'set a diff driver' ' + git config diff.testdriver.wordRegex "[^[:space:]]" && + cat <<EOF > .gitattributes +pre diff=testdriver +post diff=testdriver +EOF +' + +test_expect_success 'option overrides .gitattributes' ' + + word_diff --color-words="[a-z]+" + +' + +cat > expect <<\EOF +<WHITE>diff --git a/pre b/post<RESET> +<WHITE>index 330b04f..5ed8eff 100644<RESET> +<WHITE>--- a/pre<RESET> +<WHITE>+++ b/post<RESET> +<BROWN>@@ -1,3 +1,7 @@<RESET> +h(4)<GREEN>,hh[44]<RESET> +<RESET> +a = b + c<RESET> + +<GREEN>aa = a<RESET> + +<GREEN>aeff = aeff * ( aaa )<RESET> +EOF +cp expect expect.non-whitespace-is-word + +test_expect_success 'use regex supplied by driver' ' + + word_diff --color-words + +' + +test_expect_success 'set diff.wordRegex option' ' + git config diff.wordRegex "[[:alnum:]]+" +' + +cp expect.letter-runs-are-words expect + +test_expect_success 'command-line overrides config' ' + word_diff --color-words="[a-z]+" +' + +cp expect.non-whitespace-is-word expect + +test_expect_success '.gitattributes override config' ' + word_diff --color-words +' + +test_expect_success 'remove diff driver regex' ' + git config --unset diff.testdriver.wordRegex +' + +cat > expect <<\EOF +<WHITE>diff --git a/pre b/post<RESET> +<WHITE>index 330b04f..5ed8eff 100644<RESET> +<WHITE>--- a/pre<RESET> +<WHITE>+++ b/post<RESET> +<BROWN>@@ -1,3 +1,7 @@<RESET> +h(4),<GREEN>hh[44<RESET>] +<RESET> +a = b + c<RESET> + +<GREEN>aa = a<RESET> + +<GREEN>aeff = aeff * ( aaa<RESET> ) +EOF + +test_expect_success 'use configured regex' ' + word_diff --color-words +' + +echo 'aaa (aaa)' > pre +echo 'aaa (aaa) aaa' > post + +cat > expect <<\EOF +<WHITE>diff --git a/pre b/post<RESET> +<WHITE>index c29453b..be22f37 100644<RESET> +<WHITE>--- a/pre<RESET> +<WHITE>+++ b/post<RESET> +<BROWN>@@ -1 +1 @@<RESET> +aaa (aaa) <GREEN>aaa<RESET> +EOF + +test_expect_success 'test parsing words for newline' ' + + word_diff --color-words="a+" + + +' + +echo '(:' > pre +echo '(' > post + +cat > expect <<\EOF +<WHITE>diff --git a/pre b/post<RESET> +<WHITE>index 289cb9d..2d06f37 100644<RESET> +<WHITE>--- a/pre<RESET> +<WHITE>+++ b/post<RESET> +<BROWN>@@ -1 +1 @@<RESET> +(<RED>:<RESET> +EOF + +test_expect_success 'test when words are only removed at the end' ' + + word_diff --color-words=. + +' + +test_done diff --git a/t/t4106-apply-stdin.sh b/t/t4106-apply-stdin.sh new file mode 100755 index 000000000..72467a1e8 --- /dev/null +++ b/t/t4106-apply-stdin.sh @@ -0,0 +1,26 @@ +#!/bin/sh + +test_description='git apply --numstat - <patch' + +. ./test-lib.sh + +test_expect_success setup ' + echo hello >text && + git add text && + echo goodbye >text && + git diff >patch +' + +test_expect_success 'git apply --numstat - < patch' ' + echo "1 1 text" >expect && + git apply --numstat - <patch >actual && + test_cmp expect actual +' + +test_expect_success 'git apply --numstat - < patch patch' ' + for i in 1 2; do echo "1 1 text"; done >expect && + git apply --numstat - < patch patch >actual && + test_cmp expect actual +' + +test_done diff --git a/t/t4114-apply-typechange.sh b/t/t4114-apply-typechange.sh index 55334927a..0f185caa4 100755 --- a/t/t4114-apply-typechange.sh +++ b/t/t4114-apply-typechange.sh @@ -25,6 +25,10 @@ test_expect_success 'setup repository and commits' ' git update-index foo && git commit -m "foo back to file" && git branch foo-back-to-file && + printf "\0" > foo && + git update-index foo && + git commit -m "foo becomes binary" && + git branch foo-becomes-binary && rm -f foo && git update-index --remove foo && mkdir foo && @@ -85,6 +89,20 @@ test_expect_success 'symlink becomes file' ' ' test_debug 'cat patch' +test_expect_success 'binary file becomes symlink' ' + git checkout -f foo-becomes-binary && + git diff-tree -p --binary HEAD foo-symlinked-to-bar > patch && + git apply --index < patch + ' +test_debug 'cat patch' + +test_expect_success 'symlink becomes binary file' ' + git checkout -f foo-symlinked-to-bar && + git diff-tree -p --binary HEAD foo-becomes-binary > patch && + git apply --index < patch + ' +test_debug 'cat patch' + test_expect_success 'symlink becomes directory' ' git checkout -f foo-symlinked-to-bar && diff --git a/t/t4202-log.sh b/t/t4202-log.sh index 0ab925c4e..7b976ee36 100755 --- a/t/t4202-log.sh +++ b/t/t4202-log.sh @@ -16,27 +16,31 @@ test_expect_success setup ' test_tick && git commit -m second && - mkdir a && - echo ni >a/two && - git add a/two && + git mv one ichi && test_tick && git commit -m third && - echo san >a/three && - git add a/three && + cp ichi ein && + git add ein && test_tick && git commit -m fourth && - git rm a/three && + mkdir a && + echo ni >a/two && + git add a/two && + test_tick && + git commit -m fifth && + + git rm a/two && test_tick && - git commit -m fifth + git commit -m sixth ' test_expect_success 'diff-filter=A' ' actual=$(git log --pretty="format:%s" --diff-filter=A HEAD) && - expect=$(echo fourth ; echo third ; echo initial) && + expect=$(echo fifth ; echo fourth ; echo third ; echo initial) && test "$actual" = "$expect" || { echo Oops echo "Actual: $actual" @@ -60,7 +64,43 @@ test_expect_success 'diff-filter=M' ' test_expect_success 'diff-filter=D' ' actual=$(git log --pretty="format:%s" --diff-filter=D HEAD) && - expect=$(echo fifth) && + expect=$(echo sixth ; echo third) && + test "$actual" = "$expect" || { + echo Oops + echo "Actual: $actual" + false + } + +' + +test_expect_success 'diff-filter=R' ' + + actual=$(git log -M --pretty="format:%s" --diff-filter=R HEAD) && + expect=$(echo third) && + test "$actual" = "$expect" || { + echo Oops + echo "Actual: $actual" + false + } + +' + +test_expect_success 'diff-filter=C' ' + + actual=$(git log -C -C --pretty="format:%s" --diff-filter=C HEAD) && + expect=$(echo fourth) && + test "$actual" = "$expect" || { + echo Oops + echo "Actual: $actual" + false + } + +' + +test_expect_success 'git log --follow' ' + + actual=$(git log --follow --pretty="format:%s" ichi) && + expect=$(echo third ; echo second ; echo initial) && test "$actual" = "$expect" || { echo Oops echo "Actual: $actual" @@ -72,6 +112,7 @@ test_expect_success 'diff-filter=D' ' test_expect_success 'setup case sensitivity tests' ' echo case >one && test_tick && + git add one git commit -a -m Second ' diff --git a/t/t4252-am-options.sh b/t/t4252-am-options.sh index 3ab9e8e6e..f603c1b13 100755 --- a/t/t4252-am-options.sh +++ b/t/t4252-am-options.sh @@ -1,6 +1,6 @@ #!/bin/sh -test_description='git am not losing options' +test_description='git am with options and not losing them' . ./test-lib.sh tm="$TEST_DIRECTORY/t4252" @@ -50,4 +50,29 @@ test_expect_success 'interrupted am -C1 -p2' ' grep "^Three$" file-2 ' +test_expect_success 'interrupted am --directory="frotz nitfol"' ' + rm -rf .git/rebase-apply && + git reset --hard initial && + test_must_fail git am --directory="frotz nitfol" "$tm"/am-test-5-? && + git am --skip && + grep One "frotz nitfol/file-5" +' + +test_expect_success 'apply to a funny path' ' + with_sq="with'\''sq" + rm -fr .git/rebase-apply && + git reset --hard initial && + git am --directory="$with_sq" "$tm"/am-test-5-2 && + test -f "$with_sq/file-5" +' + +test_expect_success 'am --reject' ' + rm -rf .git/rebase-apply && + git reset --hard initial && + test_must_fail git am --reject "$tm"/am-test-6-1 && + grep "@@ -1,3 +1,3 @@" file-2.rej && + test_must_fail git diff-files --exit-code --quiet file-2 && + grep "[-]-reject" .git/rebase-apply/apply-opt +' + test_done diff --git a/t/t4252/am-test-5-1 b/t/t4252/am-test-5-1 new file mode 100644 index 000000000..da7bf29cb --- /dev/null +++ b/t/t4252/am-test-5-1 @@ -0,0 +1,20 @@ +From: A U Thor <au.thor@example.com> +Date: Thu Dec 4 16:00:00 2008 -0800 +Subject: Six + +Applying this patch with --directory='frotz nitfol' should fail + +diff --git i/junk/file-2 w/junk/file-2 +index 06e567b..b6f3a16 100644 +--- i/junk/file-2 ++++ w/junk/file-2 +@@ -1,7 +1,7 @@ + One + 2 +-3 ++Three + 4 + 5 +-6 ++Six + 7 diff --git a/t/t4252/am-test-5-2 b/t/t4252/am-test-5-2 new file mode 100644 index 000000000..373025bcf --- /dev/null +++ b/t/t4252/am-test-5-2 @@ -0,0 +1,15 @@ +From: A U Thor <au.thor@example.com> +Date: Thu Dec 4 16:00:00 2008 -0800 +Subject: Six + +Applying this patch with --directory='frotz nitfol' should succeed + +diff --git i/file-5 w/file-5 +new file mode 100644 +index 000000..1d6ed9f +--- /dev/null ++++ w/file-5 +@@ -0,0 +1,3 @@ ++One ++two ++three diff --git a/t/t4252/am-test-6-1 b/t/t4252/am-test-6-1 new file mode 100644 index 000000000..a8859e9b8 --- /dev/null +++ b/t/t4252/am-test-6-1 @@ -0,0 +1,21 @@ +From: A U Thor <au.thor@example.com> +Date: Thu Dec 4 16:00:00 2008 -0800 +Subject: Huh + +Should fail and leave rejects + +diff --git i/file-2 w/file-2 +index 06e567b..b6f3a16 100644 +--- i/file-2 ++++ w/file-2 +@@ -1,3 +1,3 @@ +-0 ++One + 2 + 3 +@@ -4,4 +4,4 @@ + 4 + 5 +-6 ++Six + 7 diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh index 884e24253..e6f70d474 100755 --- a/t/t5302-pack-index.sh +++ b/t/t5302-pack-index.sh @@ -10,6 +10,7 @@ test_expect_success \ 'setup' \ 'rm -rf .git git init && + git config pack.threads 1 && i=1 && while test $i -le 100 do diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index 78a3fa639..fe287d31f 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -125,4 +125,23 @@ test_expect_success 'clone to destination with extra trailing /' ' ' +test_expect_success 'clone to an existing empty directory' ' + mkdir target-3 && + git clone src target-3 && + T=$( cd target-3 && git rev-parse HEAD ) && + S=$( cd src && git rev-parse HEAD ) && + test "$T" = "$S" +' + +test_expect_success 'clone to an existing non-empty directory' ' + mkdir target-4 && + >target-4/Fakefile && + test_must_fail git clone src target-4 +' + +test_expect_success 'clone to an existing path' ' + >target-5 && + test_must_fail git clone src target-5 +' + test_done diff --git a/t/t5701-clone-local.sh b/t/t5701-clone-local.sh index 8dfaaa456..3559d1796 100755 --- a/t/t5701-clone-local.sh +++ b/t/t5701-clone-local.sh @@ -11,8 +11,8 @@ test_expect_success 'preparing origin repository' ' git clone --bare . x && test "$(GIT_CONFIG=a.git/config git config --bool core.bare)" = true && test "$(GIT_CONFIG=x/config git config --bool core.bare)" = true - git bundle create b1.bundle --all HEAD && - git bundle create b2.bundle --all && + git bundle create b1.bundle --all && + git bundle create b2.bundle master && mkdir dir && cp b1.bundle dir/b3 cp b1.bundle b4 @@ -116,4 +116,20 @@ test_expect_success 'bundle clone with nonexistent HEAD' ' test ! -e .git/refs/heads/master ' +test_expect_success 'clone empty repository' ' + cd "$D" && + mkdir empty && + (cd empty && git init) && + git clone empty empty-clone && + test_tick && + (cd empty-clone + echo "content" >> foo && + git add foo && + git commit -m "Initial commit" && + git push origin master && + expected=$(git rev-parse master) && + actual=$(git --git-dir=../empty/.git rev-parse master) && + test $actual = $expected) +' + test_done diff --git a/t/t5704-bundle.sh b/t/t5704-bundle.sh new file mode 100755 index 000000000..a8f4419e6 --- /dev/null +++ b/t/t5704-bundle.sh @@ -0,0 +1,33 @@ +#!/bin/sh + +test_description='some bundle related tests' +. ./test-lib.sh + +test_expect_success 'setup' ' + + : > file && + git add file && + test_tick && + git commit -m initial && + test_tick && + git tag -m tag tag && + : > file2 && + git add file2 && + : > file3 && + test_tick && + git commit -m second && + git add file3 && + test_tick && + git commit -m third + +' + +test_expect_success 'tags can be excluded by rev-list options' ' + + git bundle create bundle --all --since=7.Apr.2005.15:16:00.-0700 && + git ls-remote bundle > output && + ! grep tag output + +' + +test_done diff --git a/t/t6006-rev-list-format.sh b/t/t6006-rev-list-format.sh index 86bf7e14b..59d1f6283 100755 --- a/t/t6006-rev-list-format.sh +++ b/t/t6006-rev-list-format.sh @@ -14,7 +14,7 @@ touch foo && git add foo && git commit -m "added foo" && test_format() { cat >expect.$1 test_expect_success "format $1" " -git rev-list --pretty=format:$2 master >output.$1 && +git rev-list --pretty=format:'$2' master >output.$1 && test_cmp expect.$1 output.$1 " } @@ -101,6 +101,13 @@ commit 86c75cfd708a0e5868dc876ed5b8bb66c80b4873 [31mfoo[32mbar[34mbaz[mxyzzy EOF +test_format advanced-colors '%C(red yellow bold)foo%C(reset)' <<'EOF' +commit 131a310eb913d107dd3c09a65d1651175898735d +[1;31;43mfoo[m +commit 86c75cfd708a0e5868dc876ed5b8bb66c80b4873 +[1;31;43mfoo[m +EOF + cat >commit-msg <<'EOF' Test printing of complex bodies diff --git a/t/t6014-rev-list-all.sh b/t/t6014-rev-list-all.sh new file mode 100755 index 000000000..991ab4a65 --- /dev/null +++ b/t/t6014-rev-list-all.sh @@ -0,0 +1,38 @@ +#!/bin/sh + +test_description='--all includes detached HEADs' + +. ./test-lib.sh + + +commit () { + test_tick && + echo $1 > foo && + git add foo && + git commit -m "$1" +} + +test_expect_success 'setup' ' + + commit one && + commit two && + git checkout HEAD^ && + commit detached + +' + +test_expect_success 'rev-list --all lists detached HEAD' ' + + test 3 = $(git rev-list --all | wc -l) + +' + +test_expect_success 'repack does not lose detached HEAD' ' + + git gc && + git prune --expire=now && + git show HEAD + +' + +test_done diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh index 18fe6f2d5..c4938544d 100755 --- a/t/t7002-grep.sh +++ b/t/t7002-grep.sh @@ -161,7 +161,14 @@ test_expect_success 'log grep (6)' ' git log --author=-0700 --pretty=tformat:%s >actual && >expect && test_cmp expect actual +' +test_expect_success 'grep with CE_VALID file' ' + git update-index --assume-unchanged t/t && + rm t/t && + test "$(git grep --no-ext-grep t)" = "t/t:test" && + git update-index --no-assume-unchanged t/t && + git checkout t/t ' test_done diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh index b0a9d7d53..8537bf916 100755 --- a/t/t7003-filter-branch.sh +++ b/t/t7003-filter-branch.sh @@ -262,4 +262,12 @@ test_expect_success 'Tag name filtering allows slashes in tag names' ' test_cmp expect actual ' +test_expect_success 'Prune empty commits' ' + git rev-list HEAD > expect && + make_commit to_remove && + git filter-branch -f --index-filter "git update-index --remove to_remove" --prune-empty HEAD && + git rev-list HEAD > actual && + test_cmp expect actual +' + test_done diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index f377fea4b..69501e271 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -1090,6 +1090,121 @@ test_expect_success 'filename for the message is relative to cwd' ' git cat-file tag tag-from-subdir-2 | grep "in sub directory" ' +# create a few more commits to test --contains + +hash1=$(git rev-parse HEAD) + +test_expect_success 'creating second commit and tag' ' + echo foo-2.0 >foo && + git add foo && + git commit -m second + git tag v2.0 +' + +hash2=$(git rev-parse HEAD) + +test_expect_success 'creating third commit without tag' ' + echo foo-dev >foo && + git add foo && + git commit -m third +' + +hash3=$(git rev-parse HEAD) + +# simple linear checks of --continue + +cat > expected <<EOF +v0.2.1 +v1.0 +v1.0.1 +v1.1.3 +v2.0 +EOF + +test_expect_success 'checking that first commit is in all tags (hash)' " + git tag -l --contains $hash1 v* >actual + test_cmp expected actual +" + +# other ways of specifying the commit +test_expect_success 'checking that first commit is in all tags (tag)' " + git tag -l --contains v1.0 v* >actual + test_cmp expected actual +" + +test_expect_success 'checking that first commit is in all tags (relative)' " + git tag -l --contains HEAD~2 v* >actual + test_cmp expected actual +" + +cat > expected <<EOF +v2.0 +EOF + +test_expect_success 'checking that second commit only has one tag' " + git tag -l --contains $hash2 v* >actual + test_cmp expected actual +" + + +cat > expected <<EOF +EOF + +test_expect_success 'checking that third commit has no tags' " + git tag -l --contains $hash3 v* >actual + test_cmp expected actual +" + +# how about a simple merge? + +test_expect_success 'creating simple branch' ' + git branch stable v2.0 && + git checkout stable && + echo foo-3.0 > foo && + git commit foo -m fourth + git tag v3.0 +' + +hash4=$(git rev-parse HEAD) + +cat > expected <<EOF +v3.0 +EOF + +test_expect_success 'checking that branch head only has one tag' " + git tag -l --contains $hash4 v* >actual + test_cmp expected actual +" + +test_expect_success 'merging original branch into this branch' ' + git merge --strategy=ours master && + git tag v4.0 +' + +cat > expected <<EOF +v4.0 +EOF + +test_expect_success 'checking that original branch head has one tag now' " + git tag -l --contains $hash3 v* >actual + test_cmp expected actual +" + +cat > expected <<EOF +v0.2.1 +v1.0 +v1.0.1 +v1.1.3 +v2.0 +v3.0 +v4.0 +EOF + +test_expect_success 'checking that initial commit is in all tags' " + git tag -l --contains $hash1 v* >actual + test_cmp expected actual +" + # mixing modes and options: test_expect_success 'mixing incompatibles modes and options is forbidden' ' diff --git a/t/t7500-commit.sh b/t/t7500-commit.sh index 6e18a9631..5998baf27 100755 --- a/t/t7500-commit.sh +++ b/t/t7500-commit.sh @@ -149,10 +149,7 @@ EOF test_expect_success '--signoff' ' echo "yet another content *narf*" >> foo && - echo "zort" | ( - test_set_editor "$TEST_DIRECTORY"/t7500/add-content && - git commit -s -F - foo - ) && + echo "zort" | git commit -s -F - foo && git cat-file commit HEAD | sed "1,/^$/d" > output && test_cmp expect output ' diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh index 63bfc6d8b..b4e2b4db8 100755 --- a/t/t7501-commit.sh +++ b/t/t7501-commit.sh @@ -127,6 +127,26 @@ test_expect_success \ "showing committed revisions" \ "git rev-list HEAD >current" +cat >editor <<\EOF +#!/bin/sh +sed -e "s/good/bad/g" < "$1" > "$1-" +mv "$1-" "$1" +EOF +chmod 755 editor + +cat >msg <<EOF +A good commit message. +EOF + +test_expect_success \ + 'editor not invoked if -F is given' ' + echo "moo" >file && + VISUAL=./editor git commit -a -F msg && + git show -s --pretty=format:"%s" | grep -q good && + echo "quack" >file && + echo "Another good message." | VISUAL=./editor git commit -a -F - && + git show -s --pretty=format:"%s" | grep -q good + ' # We could just check the head sha1, but checking each commit makes it # easier to isolate bugs. diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh index 3f602ea7d..f5682d66d 100755 --- a/t/t7700-repack.sh +++ b/t/t7700-repack.sh @@ -69,5 +69,24 @@ test_expect_success 'packed obs in alt ODB are repacked even when local repo is done ' +test_expect_failure 'packed obs in alt ODB are repacked when local repo has packs' ' + rm -f .git/objects/pack/* && + echo new_content >> file1 && + git add file1 && + git commit -m more_content && + git repack && + git repack -a -d && + myidx=$(ls -1 .git/objects/pack/*.idx) && + test -f "$myidx" && + for p in alt_objects/pack/*.idx; do + git verify-pack -v $p | sed -n -e "/^[0-9a-f]\{40\}/p" + done | while read sha1 rest; do + if ! ( git verify-pack -v $myidx | grep "^$sha1" ); then + echo "Missing object in local pack: $sha1" + return 1 + fi + done +' + test_done diff --git a/t/t7701-repack-unpack-unreachable.sh b/t/t7701-repack-unpack-unreachable.sh index 63a8225ae..5babdf26e 100755 --- a/t/t7701-repack-unpack-unreachable.sh +++ b/t/t7701-repack-unpack-unreachable.sh @@ -50,12 +50,10 @@ test_expect_success '-A with -d option leaves unreachable objects unpacked' ' compare_mtimes () { - perl -e 'my $reference = shift; - foreach my $file (@ARGV) { - exit(1) unless(-f $file && -M $file == -M $reference); - } - exit(0); - ' -- "$@" + read tref rest && + while read t rest; do + test "$tref" = "$t" || break + done } test_expect_success '-A without -d option leaves unreachable objects packed' ' @@ -87,7 +85,9 @@ test_expect_success 'unpacked objects receive timestamp of pack file' ' tmppack=".git/objects/pack/tmp_pack" && ln "$packfile" "$tmppack" && git repack -A -l -d && - compare_mtimes "$tmppack" "$fsha1path" "$csha1path" "$tsha1path" + test-chmtime -v +0 "$tmppack" "$fsha1path" "$csha1path" "$tsha1path" \ + > mtimes && + compare_mtimes < mtimes ' test_done diff --git a/t/t9129-git-svn-i18n-commitencoding.sh b/t/t9129-git-svn-i18n-commitencoding.sh index 8a9dde44d..9c7b1ad18 100755 --- a/t/t9129-git-svn-i18n-commitencoding.sh +++ b/t/t9129-git-svn-i18n-commitencoding.sh @@ -15,8 +15,17 @@ compare_git_head_with () { } compare_svn_head_with () { - LC_ALL=en_US.UTF-8 svn log --limit 1 `git svn info --url` | \ - sed -e 1,3d -e "/^-\{1,\}\$/d" >current && + # extract just the log message and strip out committer info. + # don't use --limit here since svn 1.1.x doesn't have it, + LC_ALL=en_US.UTF-8 svn log `git svn info --url` | perl -w -e ' + use bytes; + $/ = ("-"x72) . "\n"; + my @x = <STDIN>; + @x = split(/\n/, $x[1]); + splice(@x, 0, 2); + $x[-1] = ""; + print join("\n", @x); + ' > current && test_cmp current "$1" } diff --git a/t/t9130-git-svn-authors-file.sh b/t/t9130-git-svn-authors-file.sh new file mode 100755 index 000000000..b8fb27756 --- /dev/null +++ b/t/t9130-git-svn-authors-file.sh @@ -0,0 +1,94 @@ +#!/bin/sh +# +# Copyright (c) 2008 Eric Wong +# + +test_description='git svn authors file tests' + +. ./lib-git-svn.sh + +cat > svn-authors <<EOF +aa = AAAAAAA AAAAAAA <aa@example.com> +bb = BBBBBBB BBBBBBB <bb@example.com> +EOF + +test_expect_success 'setup svnrepo' ' + for i in aa bb cc dd + do + svn mkdir -m $i --username $i "$svnrepo"/$i + done + ' + +test_expect_success 'start import with incomplete authors file' ' + ! git svn clone --authors-file=svn-authors "$svnrepo" x + ' + +test_expect_success 'imported 2 revisions successfully' ' + ( + cd x + test "`git rev-list refs/remotes/git-svn | wc -l`" -eq 2 && + git rev-list -1 --pretty=raw refs/remotes/git-svn | \ + grep "^author BBBBBBB BBBBBBB <bb@example\.com> " && + git rev-list -1 --pretty=raw refs/remotes/git-svn~1 | \ + grep "^author AAAAAAA AAAAAAA <aa@example\.com> " + ) + ' + +cat >> svn-authors <<EOF +cc = CCCCCCC CCCCCCC <cc@example.com> +dd = DDDDDDD DDDDDDD <dd@example.com> +EOF + +test_expect_success 'continues to import once authors have been added' ' + ( + cd x + git svn fetch --authors-file=../svn-authors && + test "`git rev-list refs/remotes/git-svn | wc -l`" -eq 4 && + git rev-list -1 --pretty=raw refs/remotes/git-svn | \ + grep "^author DDDDDDD DDDDDDD <dd@example\.com> " && + git rev-list -1 --pretty=raw refs/remotes/git-svn~1 | \ + grep "^author CCCCCCC CCCCCCC <cc@example\.com> " + ) + ' + +test_expect_success 'authors-file against globs' ' + svn mkdir -m globs --username aa \ + "$svnrepo"/aa/trunk "$svnrepo"/aa/branches "$svnrepo"/aa/tags && + git svn clone --authors-file=svn-authors -s "$svnrepo"/aa aa-work && + for i in bb ee cc + do + branch="aa/branches/$i" + svn mkdir -m "$branch" --username $i "$svnrepo/$branch" + done + ' + +test_expect_success 'fetch fails on ee' ' + ( cd aa-work && ! git svn fetch --authors-file=../svn-authors ) + ' + +tmp_config_get () { + GIT_CONFIG=.git/svn/.metadata git config --get "$1" +} + +test_expect_success 'failure happened without negative side effects' ' + ( + cd aa-work && + test 6 -eq "`tmp_config_get svn-remote.svn.branches-maxRev`" && + test 6 -eq "`tmp_config_get svn-remote.svn.tags-maxRev`" + ) + ' + +cat >> svn-authors <<EOF +ee = EEEEEEE EEEEEEE <ee@example.com> +EOF + +test_expect_success 'fetch continues after authors-file is fixed' ' + ( + cd aa-work && + git svn fetch --authors-file=../svn-authors && + test 8 -eq "`tmp_config_get svn-remote.svn.branches-maxRev`" && + test 8 -eq "`tmp_config_get svn-remote.svn.tags-maxRev`" + ) + ' + +test_done diff --git a/t/t9131-git-svn-empty-symlink.sh b/t/t9131-git-svn-empty-symlink.sh new file mode 100755 index 000000000..704a4f857 --- /dev/null +++ b/t/t9131-git-svn-empty-symlink.sh @@ -0,0 +1,90 @@ +#!/bin/sh + +test_description='test that git handles an svn repository with empty symlinks' + +. ./lib-git-svn.sh +test_expect_success 'load svn dumpfile' ' + svnadmin load "$rawsvnrepo" <<EOF +SVN-fs-dump-format-version: 2 + +UUID: 60780f9a-7df5-43b4-83ab-60e2c0673ef7 + +Revision-number: 0 +Prop-content-length: 56 +Content-length: 56 + +K 8 +svn:date +V 27 +2008-11-26T07:17:27.590577Z +PROPS-END + +Revision-number: 1 +Prop-content-length: 111 +Content-length: 111 + +K 7 +svn:log +V 4 +test +K 10 +svn:author +V 12 +normalperson +K 8 +svn:date +V 27 +2008-11-26T07:18:03.511836Z +PROPS-END + +Node-path: bar +Node-kind: file +Node-action: add +Prop-content-length: 33 +Text-content-length: 0 +Text-content-md5: d41d8cd98f00b204e9800998ecf8427e +Content-length: 33 + +K 11 +svn:special +V 1 +* +PROPS-END + +Revision-number: 2 +Prop-content-length: 121 +Content-length: 121 + +K 7 +svn:log +V 13 +bar => doink + +K 10 +svn:author +V 12 +normalperson +K 8 +svn:date +V 27 +2008-11-27T03:55:31.601672Z +PROPS-END + +Node-path: bar +Node-kind: file +Node-action: change +Text-content-length: 10 +Text-content-md5: 92ca4fe7a9721f877f765c252dcd66c9 +Content-length: 10 + +link doink + +EOF +' + +test_expect_success 'clone using git svn' 'git svn clone -r1 "$svnrepo" x' +test_expect_success '"bar" is an empty file' 'test -f x/bar && ! test -s x/bar' +test_expect_success 'get "bar" => symlink fix from svn' \ + '(cd x && git svn rebase)' +test_expect_success '"bar" becomes a symlink' 'test -L x/bar' +test_done diff --git a/t/t9132-git-svn-broken-symlink.sh b/t/t9132-git-svn-broken-symlink.sh new file mode 100755 index 000000000..b8de59e49 --- /dev/null +++ b/t/t9132-git-svn-broken-symlink.sh @@ -0,0 +1,102 @@ +#!/bin/sh + +test_description='test that git handles an svn repository with empty symlinks' + +. ./lib-git-svn.sh +test_expect_success 'load svn dumpfile' ' + svnadmin load "$rawsvnrepo" <<EOF +SVN-fs-dump-format-version: 2 + +UUID: 60780f9a-7df5-43b4-83ab-60e2c0673ef7 + +Revision-number: 0 +Prop-content-length: 56 +Content-length: 56 + +K 8 +svn:date +V 27 +2008-11-26T07:17:27.590577Z +PROPS-END + +Revision-number: 1 +Prop-content-length: 111 +Content-length: 111 + +K 7 +svn:log +V 4 +test +K 10 +svn:author +V 12 +normalperson +K 8 +svn:date +V 27 +2008-11-26T07:18:03.511836Z +PROPS-END + +Node-path: bar +Node-kind: file +Node-action: add +Prop-content-length: 33 +Text-content-length: 4 +Text-content-md5: 912ec803b2ce49e4a541068d495ab570 +Content-length: 37 + +K 11 +svn:special +V 1 +* +PROPS-END +asdf + +Revision-number: 2 +Prop-content-length: 121 +Content-length: 121 + +K 7 +svn:log +V 13 +bar => doink + +K 10 +svn:author +V 12 +normalperson +K 8 +svn:date +V 27 +2008-11-27T03:55:31.601672Z +PROPS-END + +Node-path: bar +Node-kind: file +Node-action: change +Text-content-length: 10 +Text-content-md5: 92ca4fe7a9721f877f765c252dcd66c9 +Content-length: 10 + +link doink + +EOF +' + +test_expect_success 'clone using git svn' 'git svn clone -r1 "$svnrepo" x' + +test_expect_success '"bar" is a symlink that points to "asdf"' ' + test -L x/bar && + (cd x && test xasdf = x"`git cat-file blob HEAD:bar`") +' + +test_expect_success 'get "bar" => symlink fix from svn' ' + (cd x && git svn rebase) +' + +test_expect_success '"bar" remains a proper symlink' ' + test -L x/bar && + (cd x && test xdoink = x"`git cat-file blob HEAD:bar`") +' + +test_done diff --git a/t/t9133-git-svn-nested-git-repo.sh b/t/t9133-git-svn-nested-git-repo.sh new file mode 100755 index 000000000..893f57ef7 --- /dev/null +++ b/t/t9133-git-svn-nested-git-repo.sh @@ -0,0 +1,101 @@ +#!/bin/sh +# +# Copyright (c) 2009 Eric Wong +# + +test_description='git svn property tests' +. ./lib-git-svn.sh + +test_expect_success 'setup repo with a git repo inside it' ' + svn co "$svnrepo" s && + ( + cd s && + git init && + test -f .git/HEAD && + > .git/a && + echo a > a && + svn add .git a && + svn commit -m "create a nested git repo" && + svn up && + echo hi >> .git/a && + svn commit -m "modify .git/a" && + svn up + ) +' + +test_expect_success 'clone an SVN repo containing a git repo' ' + git svn clone "$svnrepo" g && + echo a > expect && + test_cmp expect g/a +' + +test_expect_success 'SVN-side change outside of .git' ' + ( + cd s && + echo b >> a && + svn commit -m "SVN-side change outside of .git" && + svn up && + svn log -v | fgrep "SVN-side change outside of .git" + ) +' + +test_expect_success 'update git svn-cloned repo' ' + ( + cd g && + git svn rebase && + echo a > expect && + echo b >> expect && + test_cmp a expect && + rm expect + ) +' + +test_expect_success 'SVN-side change inside of .git' ' + ( + cd s && + git add a && + git commit -m "add a inside an SVN repo" && + git log && + svn add --force .git && + svn commit -m "SVN-side change inside of .git" && + svn up && + svn log -v | fgrep "SVN-side change inside of .git" + ) +' + +test_expect_success 'update git svn-cloned repo' ' + ( + cd g && + git svn rebase && + echo a > expect && + echo b >> expect && + test_cmp a expect && + rm expect + ) +' + +test_expect_success 'SVN-side change in and out of .git' ' + ( + cd s && + echo c >> a && + git add a && + git commit -m "add a inside an SVN repo" && + svn commit -m "SVN-side change in and out of .git" && + svn up && + svn log -v | fgrep "SVN-side change in and out of .git" + ) +' + +test_expect_success 'update git svn-cloned repo again' ' + ( + cd g && + git svn rebase && + echo a > expect && + echo b >> expect && + echo c >> expect && + test_cmp a expect && + rm expect + ) +' + +test_done diff --git a/t/t9134-git-svn-ignore-paths.sh b/t/t9134-git-svn-ignore-paths.sh new file mode 100755 index 000000000..c4b5b8bcf --- /dev/null +++ b/t/t9134-git-svn-ignore-paths.sh @@ -0,0 +1,98 @@ +#!/bin/sh +# +# Copyright (c) 2009 Vitaly Shukela +# Copyright (c) 2009 Eric Wong +# + +test_description='git svn property tests' +. ./lib-git-svn.sh + +test_expect_success 'setup test repository' ' + svn co "$svnrepo" s && + ( + cd s && + mkdir qqq www && + echo test_qqq > qqq/test_qqq.txt && + echo test_www > www/test_www.txt && + svn add qqq && + svn add www && + svn commit -m "create some files" && + svn up && + echo hi >> www/test_www.txt && + svn commit -m "modify www/test_www.txt" && + svn up + ) +' + +test_expect_success 'clone an SVN repository with ignored www directory' ' + git svn clone --ignore-paths="^www" "$svnrepo" g && + echo test_qqq > expect && + for i in g/*/*.txt; do cat $i >> expect2; done && + test_cmp expect expect2 +' + +test_expect_success 'SVN-side change outside of www' ' + ( + cd s && + echo b >> qqq/test_qqq.txt && + svn commit -m "SVN-side change outside of www" && + svn up && + svn log -v | fgrep "SVN-side change outside of www" + ) +' + +test_expect_success 'update git svn-cloned repo' ' + ( + cd g && + git svn rebase --ignore-paths="^www" && + printf "test_qqq\nb\n" > expect && + for i in */*.txt; do cat $i >> expect2; done && + test_cmp expect2 expect && + rm expect expect2 + ) +' + +test_expect_success 'SVN-side change inside of ignored www' ' + ( + cd s && + echo zaq >> www/test_www.txt + svn commit -m "SVN-side change inside of www/test_www.txt" && + svn up && + svn log -v | fgrep "SVN-side change inside of www/test_www.txt" + ) +' + +test_expect_success 'update git svn-cloned repo' ' + ( + cd g && + git svn rebase --ignore-paths="^www" && + printf "test_qqq\nb\n" > expect && + for i in */*.txt; do cat $i >> expect2; done && + test_cmp expect2 expect && + rm expect expect2 + ) +' + +test_expect_success 'SVN-side change in and out of ignored www' ' + ( + cd s && + echo cvf >> www/test_www.txt + echo ygg >> qqq/test_qqq.txt + svn commit -m "SVN-side change in and out of ignored www" && + svn up && + svn log -v | fgrep "SVN-side change in and out of ignored www" + ) +' + +test_expect_success 'update git svn-cloned repo again' ' + ( + cd g && + git svn rebase --ignore-paths="^www" && + printf "test_qqq\nb\nygg\n" > expect && + for i in */*.txt; do cat $i >> expect2; done && + test_cmp expect2 expect && + rm expect expect2 + ) +' + +test_done diff --git a/t/test-lib.sh b/t/test-lib.sh index 22ed448d5..c1839f70b 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -127,7 +127,7 @@ fi error () { say_color error "error: $*" - trap - exit + trap - EXIT exit 1 } @@ -163,7 +163,7 @@ die () { exit 1 } -trap 'die' exit +trap 'die' EXIT # The semantics of the editor variables are that of invoking # sh -c "$EDITOR \"$@\"" files ... @@ -193,6 +193,31 @@ test_tick () { export GIT_COMMITTER_DATE GIT_AUTHOR_DATE } +# Call test_commit with the arguments "<message> [<file> [<contents>]]" +# +# This will commit a file with the given contents and the given commit +# message. It will also add a tag with <message> as name. +# +# Both <file> and <contents> default to <message>. + +test_commit () { + file=${2:-$(echo "$1" | tr 'A-Z' 'a-z')} + echo "${3-$1}" > "$file" && + git add "$file" && + test_tick && + git commit -m "$1" && + git tag "$1" +} + +# Call test_merge with the arguments "<message> <commit>", where <commit> +# can be a tag pointing to the commit-to-merge. + +test_merge () { + test_tick && + git merge -m "$1" "$2" && + git tag "$1" +} + # You are not expected to call test_ok_ and test_failure_ directly, use # the text_expect_* functions instead. @@ -208,7 +233,7 @@ test_failure_ () { say_color error "FAIL $test_count: $1" shift echo "$@" | sed -e 's/^/ /' - test "$immediate" = "" || { trap - exit; exit 1; } + test "$immediate" = "" || { trap - EXIT; exit 1; } } test_known_broken_ok_ () { @@ -416,7 +441,7 @@ test_create_repo () { } test_done () { - trap - exit + trap - EXIT test_results_dir="$TEST_DIRECTORY/test-results" mkdir -p "$test_results_dir" test_results_path="$test_results_dir/${0%-*}-$$" @@ -493,7 +518,7 @@ fi test="trash directory.$(basename "$0" .sh)" test ! -z "$debug" || remove_trash="$TEST_DIRECTORY/$test" rm -fr "$test" || { - trap - exit + trap - EXIT echo >&5 "FATAL: Cannot prepare test area" exit 1 } diff --git a/test-ctype.c b/test-ctype.c new file mode 100644 index 000000000..033c74911 --- /dev/null +++ b/test-ctype.c @@ -0,0 +1,78 @@ +#include "cache.h" + + +static int test_isdigit(int c) +{ + return isdigit(c); +} + +static int test_isspace(int c) +{ + return isspace(c); +} + +static int test_isalpha(int c) +{ + return isalpha(c); +} + +static int test_isalnum(int c) +{ + return isalnum(c); +} + +static int test_is_glob_special(int c) +{ + return is_glob_special(c); +} + +static int test_is_regex_special(int c) +{ + return is_regex_special(c); +} + +#define DIGIT "0123456789" +#define LOWER "abcdefghijklmnopqrstuvwxyz" +#define UPPER "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + +static const struct ctype_class { + const char *name; + int (*test_fn)(int); + const char *members; +} classes[] = { + { "isdigit", test_isdigit, DIGIT }, + { "isspace", test_isspace, " \n\r\t" }, + { "isalpha", test_isalpha, LOWER UPPER }, + { "isalnum", test_isalnum, LOWER UPPER DIGIT }, + { "is_glob_special", test_is_glob_special, "*?[\\" }, + { "is_regex_special", test_is_regex_special, "$()*+.?[\\^{|" }, + { NULL } +}; + +static int test_class(const struct ctype_class *test) +{ + int i, rc = 0; + + for (i = 0; i < 256; i++) { + int expected = i ? !!strchr(test->members, i) : 0; + int actual = test->test_fn(i); + + if (actual != expected) { + rc = 1; + printf("%s classifies char %d (0x%02x) wrongly\n", + test->name, i, i); + } + } + return rc; +} + +int main(int argc, char **argv) +{ + const struct ctype_class *test; + int rc = 0; + + for (test = classes; test->name; test++) + rc |= test_class(test); + + return rc; +} diff --git a/test-sigchain.c b/test-sigchain.c new file mode 100644 index 000000000..42db234e8 --- /dev/null +++ b/test-sigchain.c @@ -0,0 +1,22 @@ +#include "sigchain.h" +#include "cache.h" + +#define X(f) \ +static void f(int sig) { \ + puts(#f); \ + fflush(stdout); \ + sigchain_pop(sig); \ + raise(sig); \ +} +X(one) +X(two) +X(three) +#undef X + +int main(int argc, char **argv) { + sigchain_push(SIGTERM, one); + sigchain_push(SIGTERM, two); + sigchain_push(SIGTERM, three); + raise(SIGTERM); + return 0; +} diff --git a/transport.c b/transport.c index 56831c57c..9ad4a16c3 100644 --- a/transport.c +++ b/transport.c @@ -50,9 +50,7 @@ static int read_loose_refs(struct strbuf *path, int name_offset, memset (&list, 0, sizeof(list)); while ((de = readdir(dir))) { - if (de->d_name[0] == '.' && (de->d_name[1] == '\0' || - (de->d_name[1] == '.' && - de->d_name[2] == '\0'))) + if (is_dot_or_dotdot(de->d_name)) continue; ALLOC_GROW(list.entries, list.nr + 1, list.alloc); list.entries[list.nr++] = xstrdup(de->d_name); diff --git a/unpack-file.c b/unpack-file.c index bcdc8bbb3..6dd8ad02f 100644 --- a/unpack-file.c +++ b/unpack-file.c @@ -1,5 +1,6 @@ #include "cache.h" #include "blob.h" +#include "exec_cmd.h" static char *create_temp_file(unsigned char *sha1) { @@ -25,6 +26,8 @@ int main(int argc, char **argv) { unsigned char sha1[20]; + git_extract_argv0_path(argv[0]); + if (argc != 2) usage("git-unpack-file <sha1>"); if (get_sha1(argv[1], sha1)) diff --git a/unpack-trees.c b/unpack-trees.c index 15c9ef592..e547282ed 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -61,7 +61,7 @@ static void unlink_entry(struct cache_entry *ce) char *cp, *prev; char *name = ce->name; - if (has_symlink_leading_path(ce_namelen(ce), ce->name)) + if (has_symlink_or_noent_leading_path(ce_namelen(ce), ce->name)) return; if (unlink(name)) return; @@ -240,8 +240,11 @@ static struct cache_entry *create_ce_entry(const struct traverse_info *info, con return ce; } -static int unpack_nondirectories(int n, unsigned long mask, unsigned long dirmask, struct cache_entry *src[5], - const struct name_entry *names, const struct traverse_info *info) +static int unpack_nondirectories(int n, unsigned long mask, + unsigned long dirmask, + struct cache_entry **src, + const struct name_entry *names, + const struct traverse_info *info) { int i; struct unpack_trees_options *o = info->data; @@ -291,7 +294,7 @@ static int unpack_nondirectories(int n, unsigned long mask, unsigned long dirmas static int unpack_callback(int n, unsigned long mask, unsigned long dirmask, struct name_entry *names, struct traverse_info *info) { - struct cache_entry *src[5] = { NULL, }; + struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, }; struct unpack_trees_options *o = info->data; const struct name_entry *p = names; @@ -580,7 +583,7 @@ static int verify_absent(struct cache_entry *ce, const char *action, if (o->index_only || o->reset || !o->update) return 0; - if (has_symlink_leading_path(ce_namelen(ce), ce->name)) + if (has_symlink_or_noent_leading_path(ce_namelen(ce), ce->name)) return 0; if (!lstat(ce->name, &st)) { diff --git a/update-server-info.c b/update-server-info.c index 7e8209ea4..7b38fd867 100644 --- a/update-server-info.c +++ b/update-server-info.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "exec_cmd.h" static const char update_server_info_usage[] = "git update-server-info [--force]"; @@ -19,6 +20,8 @@ int main(int ac, char **av) if (i != ac) usage(update_server_info_usage); + git_extract_argv0_path(av[0]); + setup_git_directory(); return !!update_server_info(force); diff --git a/upload-pack.c b/upload-pack.c index e5adbc011..5db6f9395 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -616,6 +616,8 @@ int main(int argc, char **argv) int i; int strict = 0; + git_extract_argv0_path(argv[0]); + for (i = 1; i < argc; i++) { char *arg = argv[i]; diff --git a/userdiff.c b/userdiff.c index 3681062eb..d556da975 100644 --- a/userdiff.c +++ b/userdiff.c @@ -6,14 +6,20 @@ static struct userdiff_driver *drivers; static int ndrivers; static int drivers_alloc; -#define FUNCNAME(name, pattern) \ - { name, NULL, -1, { pattern, REG_EXTENDED } } +#define PATTERNS(name, pattern, word_regex) \ + { name, NULL, -1, { pattern, REG_EXTENDED }, word_regex } static struct userdiff_driver builtin_drivers[] = { -FUNCNAME("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$"), -FUNCNAME("java", +PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$", + "[^<>= \t]+|[^[:space:]]|[\x80-\xff]+"), +PATTERNS("java", "!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n" - "^[ \t]*(([ \t]*[A-Za-z_][A-Za-z_0-9]*){2,}[ \t]*\\([^;]*)$"), -FUNCNAME("objc", + "^[ \t]*(([ \t]*[A-Za-z_][A-Za-z_0-9]*){2,}[ \t]*\\([^;]*)$", + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" + "|[-+*/<>%&^|=!]=" + "|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|" + "|[^[:space:]]|[\x80-\xff]+"), +PATTERNS("objc", /* Negate C statements that can look like functions */ "!^[ \t]*(do|for|if|else|return|switch|while)\n" /* Objective-C methods */ @@ -21,20 +27,60 @@ FUNCNAME("objc", /* C functions */ "^[ \t]*(([ \t]*[A-Za-z_][A-Za-z_0-9]*){2,}[ \t]*\\([^;]*)$\n" /* Objective-C class/protocol definitions */ - "^(@(implementation|interface|protocol)[ \t].*)$"), -FUNCNAME("pascal", + "^(@(implementation|interface|protocol)[ \t].*)$", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->" + "|[^[:space:]]|[\x80-\xff]+"), +PATTERNS("pascal", "^((procedure|function|constructor|destructor|interface|" "implementation|initialization|finalization)[ \t]*.*)$" "\n" - "^(.*=[ \t]*(class|record).*)$"), -FUNCNAME("php", "^[\t ]*((function|class).*)"), -FUNCNAME("python", "^[ \t]*((class|def)[ \t].*)$"), -FUNCNAME("ruby", "^[ \t]*((class|module|def)[ \t].*)$"), -FUNCNAME("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$"), -FUNCNAME("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$"), + "^(.*=[ \t]*(class|record).*)$", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" + "|<>|<=|>=|:=|\\.\\." + "|[^[:space:]]|[\x80-\xff]+"), +PATTERNS("php", "^[\t ]*((function|class).*)", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" + "|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->" + "|[^[:space:]]|[\x80-\xff]+"), +PATTERNS("python", "^[ \t]*((class|def)[ \t].*)$", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?" + "|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?" + "|[^[:space:]|[\x80-\xff]+"), + /* -- */ +PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$", + /* -- */ + "(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?." + "|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~" + "|[^[:space:]|[\x80-\xff]+"), +PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$", + "[={}\"]|[^={}\" \t]+"), +PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$", + "\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+|[^[:space:]]"), +PATTERNS("cpp", + /* Jump targets or access declarations */ + "!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:.*$\n" + /* C/++ functions/methods at top level */ + "^([A-Za-z_][A-Za-z_0-9]*([ \t]+[A-Za-z_][A-Za-z_0-9]*([ \t]*::[ \t]*[^[:space:]]+)?){1,}[ \t]*\\([^;]*)$\n" + /* compound type at top level */ + "^((struct|class|enum)[^;]*)$", + /* -- */ + "[a-zA-Z_][a-zA-Z0-9_]*" + "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->" + "|[^[:space:]]|[\x80-\xff]+"), { "default", NULL, -1, { NULL, 0 } }, }; -#undef FUNCNAME +#undef PATTERNS static struct userdiff_driver driver_true = { "diff=true", @@ -134,6 +180,8 @@ int userdiff_config(const char *k, const char *v) return parse_string(&drv->external, k, v); if ((drv = parse_driver(k, v, "textconv"))) return parse_string(&drv->textconv, k, v); + if ((drv = parse_driver(k, v, "wordregex"))) + return parse_string(&drv->word_regex, k, v); return 0; } diff --git a/userdiff.h b/userdiff.h index ba2945770..c3151594f 100644 --- a/userdiff.h +++ b/userdiff.h @@ -11,6 +11,7 @@ struct userdiff_driver { const char *external; int binary; struct userdiff_funcname funcname; + const char *word_regex; const char *textconv; }; @@ -4,6 +4,7 @@ * Copyright (C) Eric Biederman, 2005 */ #include "cache.h" +#include "exec_cmd.h" static const char var_usage[] = "git var [-l | <variable>]"; @@ -56,6 +57,8 @@ int main(int argc, char **argv) usage(var_usage); } + git_extract_argv0_path(argv[0]); + setup_git_directory_gently(&nongit); val = NULL; @@ -196,3 +196,63 @@ int xmkstemp(char *template) die("Unable to create temporary file: %s", strerror(errno)); return fd; } + +/* + * zlib wrappers to make sure we don't silently miss errors + * at init time. + */ +void git_inflate_init(z_streamp strm) +{ + const char *err; + + switch (inflateInit(strm)) { + case Z_OK: + return; + + case Z_MEM_ERROR: + err = "out of memory"; + break; + case Z_VERSION_ERROR: + err = "wrong version"; + break; + default: + err = "error"; + } + die("inflateInit: %s (%s)", err, strm->msg ? strm->msg : "no message"); +} + +void git_inflate_end(z_streamp strm) +{ + if (inflateEnd(strm) != Z_OK) + error("inflateEnd: %s", strm->msg ? strm->msg : "failed"); +} + +int git_inflate(z_streamp strm, int flush) +{ + int ret = inflate(strm, flush); + const char *err; + + switch (ret) { + /* Out of memory is fatal. */ + case Z_MEM_ERROR: + die("inflate: out of memory"); + + /* Data corruption errors: we may want to recover from them (fsck) */ + case Z_NEED_DICT: + err = "needs dictionary"; break; + case Z_DATA_ERROR: + err = "data stream error"; break; + case Z_STREAM_ERROR: + err = "stream consistency error"; break; + default: + err = "unknown error"; break; + + /* Z_BUF_ERROR: normal, needs more space in the output buffer */ + case Z_BUF_ERROR: + case Z_OK: + case Z_STREAM_END: + return ret; + } + error("inflate: %s (%s)", err, strm->msg ? strm->msg : "no message"); + return ret; +} diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h index 84fff583e..4da052a3f 100644 --- a/xdiff/xdiff.h +++ b/xdiff/xdiff.h @@ -32,6 +32,7 @@ extern "C" { #define XDF_IGNORE_WHITESPACE (1 << 2) #define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3) #define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4) +#define XDF_PATIENCE_DIFF (1 << 5) #define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL) #define XDL_PATCH_NORMAL '-' @@ -84,6 +85,7 @@ typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long typedef struct s_xdemitconf { long ctxlen; + long interhunkctxlen; unsigned long flags; find_func_t find_func; void *find_func_priv; diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c index 9d0324a38..3e97462bd 100644 --- a/xdiff/xdiffi.c +++ b/xdiff/xdiffi.c @@ -329,6 +329,9 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdalgoenv_t xenv; diffdata_t dd1, dd2; + if (xpp->flags & XDF_PATIENCE_DIFF) + return xdl_do_patience_diff(mf1, mf2, xpp, xe); + if (xdl_prepare_env(mf1, mf2, xpp, xe) < 0) { return -1; diff --git a/xdiff/xdiffi.h b/xdiff/xdiffi.h index 3e099dc44..ad033a8e6 100644 --- a/xdiff/xdiffi.h +++ b/xdiff/xdiffi.h @@ -55,5 +55,7 @@ int xdl_build_script(xdfenv_t *xe, xdchange_t **xscr); void xdl_free_script(xdchange_t *xscr); int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb, xdemitconf_t const *xecfg); +int xdl_do_patience_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, + xdfenv_t *env); #endif /* #if !defined(XDIFFI_H) */ diff --git a/xdiff/xemit.c b/xdiff/xemit.c index 4625c1b42..05bfa41f1 100644 --- a/xdiff/xemit.c +++ b/xdiff/xemit.c @@ -59,9 +59,10 @@ static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t * */ xdchange_t *xdl_get_hunk(xdchange_t *xscr, xdemitconf_t const *xecfg) { xdchange_t *xch, *xchp; + long max_common = 2 * xecfg->ctxlen + xecfg->interhunkctxlen; for (xchp = xscr, xch = xscr->next; xch; xchp = xch, xch = xch->next) - if (xch->i1 - (xchp->i1 + xchp->chg1) > 2 * xecfg->ctxlen) + if (xch->i1 - (xchp->i1 + xchp->chg1) > max_common) break; return xchp; diff --git a/xdiff/xpatience.c b/xdiff/xpatience.c new file mode 100644 index 000000000..e42c16a80 --- /dev/null +++ b/xdiff/xpatience.c @@ -0,0 +1,381 @@ +/* + * LibXDiff by Davide Libenzi ( File Differential Library ) + * Copyright (C) 2003-2009 Davide Libenzi, Johannes E. Schindelin + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Davide Libenzi <davidel@xmailserver.org> + * + */ +#include "xinclude.h" +#include "xtypes.h" +#include "xdiff.h" + +/* + * The basic idea of patience diff is to find lines that are unique in + * both files. These are intuitively the ones that we want to see as + * common lines. + * + * The maximal ordered sequence of such line pairs (where ordered means + * that the order in the sequence agrees with the order of the lines in + * both files) naturally defines an initial set of common lines. + * + * Now, the algorithm tries to extend the set of common lines by growing + * the line ranges where the files have identical lines. + * + * Between those common lines, the patience diff algorithm is applied + * recursively, until no unique line pairs can be found; these line ranges + * are handled by the well-known Myers algorithm. + */ + +#define NON_UNIQUE ULONG_MAX + +/* + * This is a hash mapping from line hash to line numbers in the first and + * second file. + */ +struct hashmap { + int nr, alloc; + struct entry { + unsigned long hash; + /* + * 0 = unused entry, 1 = first line, 2 = second, etc. + * line2 is NON_UNIQUE if the line is not unique + * in either the first or the second file. + */ + unsigned long line1, line2; + /* + * "next" & "previous" are used for the longest common + * sequence; + * initially, "next" reflects only the order in file1. + */ + struct entry *next, *previous; + } *entries, *first, *last; + /* were common records found? */ + unsigned long has_matches; + mmfile_t *file1, *file2; + xdfenv_t *env; + xpparam_t const *xpp; +}; + +/* The argument "pass" is 1 for the first file, 2 for the second. */ +static void insert_record(int line, struct hashmap *map, int pass) +{ + xrecord_t **records = pass == 1 ? + map->env->xdf1.recs : map->env->xdf2.recs; + xrecord_t *record = records[line - 1], *other; + /* + * After xdl_prepare_env() (or more precisely, due to + * xdl_classify_record()), the "ha" member of the records (AKA lines) + * is _not_ the hash anymore, but a linearized version of it. In + * other words, the "ha" member is guaranteed to start with 0 and + * the second record's ha can only be 0 or 1, etc. + * + * So we multiply ha by 2 in the hope that the hashing was + * "unique enough". + */ + int index = (int)((record->ha << 1) % map->alloc); + + while (map->entries[index].line1) { + other = map->env->xdf1.recs[map->entries[index].line1 - 1]; + if (map->entries[index].hash != record->ha || + !xdl_recmatch(record->ptr, record->size, + other->ptr, other->size, + map->xpp->flags)) { + if (++index >= map->alloc) + index = 0; + continue; + } + if (pass == 2) + map->has_matches = 1; + if (pass == 1 || map->entries[index].line2) + map->entries[index].line2 = NON_UNIQUE; + else + map->entries[index].line2 = line; + return; + } + if (pass == 2) + return; + map->entries[index].line1 = line; + map->entries[index].hash = record->ha; + if (!map->first) + map->first = map->entries + index; + if (map->last) { + map->last->next = map->entries + index; + map->entries[index].previous = map->last; + } + map->last = map->entries + index; + map->nr++; +} + +/* + * This function has to be called for each recursion into the inter-hunk + * parts, as previously non-unique lines can become unique when being + * restricted to a smaller part of the files. + * + * It is assumed that env has been prepared using xdl_prepare(). + */ +static int fill_hashmap(mmfile_t *file1, mmfile_t *file2, + xpparam_t const *xpp, xdfenv_t *env, + struct hashmap *result, + int line1, int count1, int line2, int count2) +{ + result->file1 = file1; + result->file2 = file2; + result->xpp = xpp; + result->env = env; + + /* We know exactly how large we want the hash map */ + result->alloc = count1 * 2; + result->entries = (struct entry *) + xdl_malloc(result->alloc * sizeof(struct entry)); + if (!result->entries) + return -1; + memset(result->entries, 0, result->alloc * sizeof(struct entry)); + + /* First, fill with entries from the first file */ + while (count1--) + insert_record(line1++, result, 1); + + /* Then search for matches in the second file */ + while (count2--) + insert_record(line2++, result, 2); + + return 0; +} + +/* + * Find the longest sequence with a smaller last element (meaning a smaller + * line2, as we construct the sequence with entries ordered by line1). + */ +static int binary_search(struct entry **sequence, int longest, + struct entry *entry) +{ + int left = -1, right = longest; + + while (left + 1 < right) { + int middle = (left + right) / 2; + /* by construction, no two entries can be equal */ + if (sequence[middle]->line2 > entry->line2) + right = middle; + else + left = middle; + } + /* return the index in "sequence", _not_ the sequence length */ + return left; +} + +/* + * The idea is to start with the list of common unique lines sorted by + * the order in file1. For each of these pairs, the longest (partial) + * sequence whose last element's line2 is smaller is determined. + * + * For efficiency, the sequences are kept in a list containing exactly one + * item per sequence length: the sequence with the smallest last + * element (in terms of line2). + */ +static struct entry *find_longest_common_sequence(struct hashmap *map) +{ + struct entry **sequence = xdl_malloc(map->nr * sizeof(struct entry *)); + int longest = 0, i; + struct entry *entry; + + for (entry = map->first; entry; entry = entry->next) { + if (!entry->line2 || entry->line2 == NON_UNIQUE) + continue; + i = binary_search(sequence, longest, entry); + entry->previous = i < 0 ? NULL : sequence[i]; + sequence[++i] = entry; + if (i == longest) + longest++; + } + + /* No common unique lines were found */ + if (!longest) { + xdl_free(sequence); + return NULL; + } + + /* Iterate starting at the last element, adjusting the "next" members */ + entry = sequence[longest - 1]; + entry->next = NULL; + while (entry->previous) { + entry->previous->next = entry; + entry = entry->previous; + } + xdl_free(sequence); + return entry; +} + +static int match(struct hashmap *map, int line1, int line2) +{ + xrecord_t *record1 = map->env->xdf1.recs[line1 - 1]; + xrecord_t *record2 = map->env->xdf2.recs[line2 - 1]; + return xdl_recmatch(record1->ptr, record1->size, + record2->ptr, record2->size, map->xpp->flags); +} + +static int patience_diff(mmfile_t *file1, mmfile_t *file2, + xpparam_t const *xpp, xdfenv_t *env, + int line1, int count1, int line2, int count2); + +static int walk_common_sequence(struct hashmap *map, struct entry *first, + int line1, int count1, int line2, int count2) +{ + int end1 = line1 + count1, end2 = line2 + count2; + int next1, next2; + + for (;;) { + /* Try to grow the line ranges of common lines */ + if (first) { + next1 = first->line1; + next2 = first->line2; + while (next1 > line1 && next2 > line2 && + match(map, next1 - 1, next2 - 1)) { + next1--; + next2--; + } + } else { + next1 = end1; + next2 = end2; + } + while (line1 < next1 && line2 < next2 && + match(map, line1, line2)) { + line1++; + line2++; + } + + /* Recurse */ + if (next1 > line1 || next2 > line2) { + struct hashmap submap; + + memset(&submap, 0, sizeof(submap)); + if (patience_diff(map->file1, map->file2, + map->xpp, map->env, + line1, next1 - line1, + line2, next2 - line2)) + return -1; + } + + if (!first) + return 0; + + while (first->next && + first->next->line1 == first->line1 + 1 && + first->next->line2 == first->line2 + 1) + first = first->next; + + line1 = first->line1 + 1; + line2 = first->line2 + 1; + + first = first->next; + } +} + +static int fall_back_to_classic_diff(struct hashmap *map, + int line1, int count1, int line2, int count2) +{ + /* + * This probably does not work outside Git, since + * we have a very simple mmfile structure. + * + * Note: ideally, we would reuse the prepared environment, but + * the libxdiff interface does not (yet) allow for diffing only + * ranges of lines instead of the whole files. + */ + mmfile_t subfile1, subfile2; + xpparam_t xpp; + xdfenv_t env; + + subfile1.ptr = (char *)map->env->xdf1.recs[line1 - 1]->ptr; + subfile1.size = map->env->xdf1.recs[line1 + count1 - 2]->ptr + + map->env->xdf1.recs[line1 + count1 - 2]->size - subfile1.ptr; + subfile2.ptr = (char *)map->env->xdf2.recs[line2 - 1]->ptr; + subfile2.size = map->env->xdf2.recs[line2 + count2 - 2]->ptr + + map->env->xdf2.recs[line2 + count2 - 2]->size - subfile2.ptr; + xpp.flags = map->xpp->flags & ~XDF_PATIENCE_DIFF; + if (xdl_do_diff(&subfile1, &subfile2, &xpp, &env) < 0) + return -1; + + memcpy(map->env->xdf1.rchg + line1 - 1, env.xdf1.rchg, count1); + memcpy(map->env->xdf2.rchg + line2 - 1, env.xdf2.rchg, count2); + + xdl_free_env(&env); + + return 0; +} + +/* + * Recursively find the longest common sequence of unique lines, + * and if none was found, ask xdl_do_diff() to do the job. + * + * This function assumes that env was prepared with xdl_prepare_env(). + */ +static int patience_diff(mmfile_t *file1, mmfile_t *file2, + xpparam_t const *xpp, xdfenv_t *env, + int line1, int count1, int line2, int count2) +{ + struct hashmap map; + struct entry *first; + int result = 0; + + /* trivial case: one side is empty */ + if (!count1) { + while(count2--) + env->xdf2.rchg[line2++ - 1] = 1; + return 0; + } else if (!count2) { + while(count1--) + env->xdf1.rchg[line1++ - 1] = 1; + return 0; + } + + memset(&map, 0, sizeof(map)); + if (fill_hashmap(file1, file2, xpp, env, &map, + line1, count1, line2, count2)) + return -1; + + /* are there any matching lines at all? */ + if (!map.has_matches) { + while(count1--) + env->xdf1.rchg[line1++ - 1] = 1; + while(count2--) + env->xdf2.rchg[line2++ - 1] = 1; + xdl_free(map.entries); + return 0; + } + + first = find_longest_common_sequence(&map); + if (first) + result = walk_common_sequence(&map, first, + line1, count1, line2, count2); + else + result = fall_back_to_classic_diff(&map, + line1, count1, line2, count2); + + xdl_free(map.entries); + return result; +} + +int xdl_do_patience_diff(mmfile_t *file1, mmfile_t *file2, + xpparam_t const *xpp, xdfenv_t *env) +{ + if (xdl_prepare_env(file1, file2, xpp, env) < 0) + return -1; + + /* environment is cleaned up in xdl_diff() */ + return patience_diff(file1, file2, xpp, env, + 1, env->xdf1.nrec, 1, env->xdf2.nrec); +} diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c index a43aa72cd..168908523 100644 --- a/xdiff/xprepare.c +++ b/xdiff/xprepare.c @@ -290,7 +290,8 @@ int xdl_prepare_env(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdl_free_classifier(&cf); - if (xdl_optimize_ctxs(&xe->xdf1, &xe->xdf2) < 0) { + if (!(xpp->flags & XDF_PATIENCE_DIFF) && + xdl_optimize_ctxs(&xe->xdf1, &xe->xdf2) < 0) { xdl_free_ctx(&xe->xdf2); xdl_free_ctx(&xe->xdf1); diff --git a/xdiff/xutils.c b/xdiff/xutils.c index d7974d1a3..04ad46870 100644 --- a/xdiff/xutils.c +++ b/xdiff/xutils.c @@ -245,12 +245,14 @@ static unsigned long xdl_hash_record_with_whitespace(char const **data, while (ptr + 1 < top && isspace(ptr[1]) && ptr[1] != '\n') ptr++; - if (flags & XDF_IGNORE_WHITESPACE_CHANGE + if (flags & XDF_IGNORE_WHITESPACE) + ; /* already handled */ + else if (flags & XDF_IGNORE_WHITESPACE_CHANGE && ptr[1] != '\n') { ha += (ha << 5); ha ^= (unsigned long) ' '; } - if (flags & XDF_IGNORE_WHITESPACE_AT_EOL + else if (flags & XDF_IGNORE_WHITESPACE_AT_EOL && ptr[1] != '\n') { while (ptr2 != ptr + 1) { ha += (ha << 5); |