diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/Makefile | 2 | ||||
-rw-r--r-- | Documentation/RelNotes/1.9.txt | 115 | ||||
-rw-r--r-- | Documentation/config.txt | 4 | ||||
-rw-r--r-- | Documentation/diff-config.txt | 5 | ||||
-rw-r--r-- | Documentation/diff-options.txt | 3 | ||||
-rw-r--r-- | Documentation/git-cat-file.txt | 12 | ||||
-rw-r--r-- | Documentation/git-filter-branch.txt | 33 | ||||
-rw-r--r-- | Documentation/git-replace.txt | 19 | ||||
-rw-r--r-- | Documentation/glossary-content.txt | 34 | ||||
-rw-r--r-- | Documentation/technical/api-builtin.txt | 4 | ||||
-rw-r--r-- | Documentation/user-manual.txt | 2 |
11 files changed, 206 insertions, 27 deletions
diff --git a/Documentation/Makefile b/Documentation/Makefile index 91a12c7e5..36c58fc64 100644 --- a/Documentation/Makefile +++ b/Documentation/Makefile @@ -324,7 +324,7 @@ manpage-base-url.xsl: manpage-base-url.xsl.in user-manual.xml: user-manual.txt user-manual.conf $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \ - $(ASCIIDOC) $(ASCIIDOC_EXTRA) -b docbook -d book -o $@+ $< && \ + $(ASCIIDOC) $(ASCIIDOC_EXTRA) -b docbook -d article -o $@+ $< && \ mv $@+ $@ technical/api-index.txt: technical/api-index-skel.txt \ diff --git a/Documentation/RelNotes/1.9.txt b/Documentation/RelNotes/1.9.txt index a966ab488..41a54f5f4 100644 --- a/Documentation/RelNotes/1.9.txt +++ b/Documentation/RelNotes/1.9.txt @@ -19,6 +19,10 @@ The meanings of "--tags" option to "git fetch" has changed; the command fetches tags _in addition to_ what are fetched by the same command line without the option. +The way "git push $there $what" interprets $what part given on the +command line, when it does not have a colon that explicitly tells us +what ref at the $there repository is to be updated, has been enhanced. + A handful of ancient commands that have long been deprecated are finally gone (repo-config, tar-tree, lost-found, and peek-remote). @@ -81,9 +85,50 @@ Foreign interfaces, subsystems and ports. * Various bugfixes to remote-bzr and remote-hg (in contrib/). + * The build procedure is aware of MirBSD now. + UI, Workflows & Features + * Two-level configuration variable names in "branch.*" and "remote.*" + hierarchies, whose variables are predominantly three-level, were + not completed by hitting a <TAB> in bash and zsh completions. + + * Fetching 'frotz' branch with "git fetch", while 'frotz/nitfol' + remote-tracking branch from an earlier fetch was still there, would + error out, primarily because the command was not told that it is + allowed to lose any information on our side. "git fetch --prune" + now can be used to remove 'frotz/nitfol' to make room to fetch and + store 'frotz' remote-tracking branch. + + * "diff.orderfile=<file>" configuration variable can be used to + pretend as if the "-O<file>" option were given from the command + line of "git diff", etc. + + * The negative pathspec syntax allows "git log -- . ':!dir'" to tell + us "I am interested in everything but 'dir' directory". + + * "git difftool" shows how many different paths there are in total, + and how many of them have been shown so far, to indicate progress. + + * "git push origin master" used to push our 'master' branch to update + the 'master' branch at the 'origin' repository. This has been + enhanced to use the same ref mapping "git push origin" would use to + determine what ref at the 'origin' to be updated with our 'master'. + For example, with this configuration + + [remote "origin"] + push = refs/heads/*:refs/review/* + + that would cause "git push origin" to push out our local branches + to corresponding refs under refs/review/ hierarchy at 'origin', + "git push origin master" would update 'refs/review/master' over + there. Alternatively, if push.default is set to 'upstream' and our + 'master' is set to integrate with 'topic' from the 'origin' branch, + running "git push origin" while on our 'master' would update their + 'topic' branch, and running "git push origin master" while on any + of our branches does the same. + * "gitweb" learned to treat ref hierarchies other than refs/heads as if they are additional branch namespaces (e.g. refs/changes/ in Gerrit). @@ -109,6 +154,16 @@ UI, Workflows & Features Performance, Internal Implementation, etc. + * The naming convention of the packfiles has been updated; it used to + be based on the enumeration of names of the objects that are + contained in the pack, but now it also depends on how the packed + result is represented---packing the same set of objects using + different settings (or delta order) would produce a pack with + different name. + + * "git diff --no-index" mode used to unnecessarily attempt to read + the index when there is one. + * The deprecated parse-options macro OPT_BOOLEAN has been removed; use OPT_BOOL or OPT_COUNTUP in new code. @@ -122,7 +177,8 @@ Performance, Internal Implementation, etc. * "git merge-base" learned the "--fork-point" mode, that implements the same logic used in "git pull --rebase" to find a suitable fork point out of the reflog entries for the remote-tracking branch the - work has been based on. + work has been based on. "git rebase" has the same logic that can be + triggered with the "--fork-point" option. * A third-party "receive-pack" (the responder to "git push") can advertise the "no-thin" capability to tell "git push" not to use @@ -141,6 +197,63 @@ Unless otherwise noted, all the fixes since v1.8.5 in the maintenance track are contained in this release (see the maintenance releases' notes for details). + * The "--[no-]informative-errors" options to "git daemon" were parsed + a bit too loosely, allowing any other string after these option + names. + (merge 82246b7 nd/daemon-informative-errors-typofix later to maint). + + * There is no reason to have a hardcoded upper limit of the number of + parents for an octopus merge, created via the graft mechanism, but + there was. + (merge e228c17 js/lift-parent-count-limit later to maint). + + * The basic test used to leave unnecessary trash directories in the + t/ directory. + (merge 738a8be jk/test-framework-updates later to maint). + + * "git merge-base --octopus" used to leave cleaning up suboptimal + result to the caller, but now it does the clean-up itself. + (merge 8f29299 bm/merge-base-octopus-dedup later to maint). + + * A "gc" process running as a different user should be able to stop a + new "gc" process from starting, but it didn't. + (merge ed7eda8 km/gc-eperm later to maint). + + * An earlier "clean-up" introduced an unnecessary memory leak. + (merge e1c1a32 jk/credential-plug-leak later to maint). + + * "git add -A" (no other arguments) in a totally empty working tree + used to emit an error. + (merge 64ed07c nd/add-empty-fix later to maint). + + * "git log --decorate" did not handle a tag pointed by another tag + nicely. + (merge 5e1361c bc/log-decoration later to maint). + + * When we figure out how many file descriptors to allocate for + keeping packfiles open, a system with non-working getrlimit() could + cause us to die(), but because we make this call only to get a + rough estimate of how many is available and we do not even attempt + to use up all file descriptors available ourselves, it is nicer to + fall back to a reasonable low value rather than dying. + (merge 491a8de jh/rlimit-nofile-fallback later to maint). + + * read_sha1_file(), that is the workhorse to read the contents given + an object name, honoured object replacements, but there was no + corresponding mechanism to sha1_object_info() that was used to + obtain the metainfo (e.g. type & size) about the object. This led + callers to weird inconsistencies. + (merge 663a856 cc/replace-object-info later to maint). + + * "git cat-file --batch=", an admittedly useless command, did not + behave very well. + (merge 6554dfa jk/cat-file-regression-fix later to maint). + + * "git rev-parse <revs> -- <paths>" did not implement the usual + disambiguation rules the commands in the "git log" family used in + the same way. + (merge 62f162f jk/rev-parse-double-dashes later to maint). + * "git mv A B/", when B does not exist as a directory, should error out, but it didn't. (merge c57f628 mm/mv-file-to-no-such-dir-with-slash later to maint). diff --git a/Documentation/config.txt b/Documentation/config.txt index a4058063c..ed5985319 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -567,6 +567,10 @@ be passed to the shell by Git, which will translate the final command to `LESS=FRSX less -+S`. The environment tells the command to set the `S` option to chop long lines but the command line resets it to the default to fold long lines. ++ +Likewise, when the `LV` environment variable is unset, Git sets it +to `-c`. You can override this setting by exporting `LV` with +another value or setting `core.pager` to `lv +c`. core.whitespace:: A comma separated list of common whitespace problems to diff --git a/Documentation/diff-config.txt b/Documentation/diff-config.txt index 223b9310d..f07b4513e 100644 --- a/Documentation/diff-config.txt +++ b/Documentation/diff-config.txt @@ -98,6 +98,11 @@ diff.mnemonicprefix:: diff.noprefix:: If set, 'git diff' does not show any source or destination prefix. +diff.orderfile:: + File indicating how to order files within a diff, using + one shell glob pattern per line. + Can be overridden by the '-O' option to linkgit:git-diff[1]. + diff.renameLimit:: The number of files to consider when performing the copy/rename detection; equivalent to the 'git diff' option '-l'. diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index bbed2cd79..9b37b2a10 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -432,6 +432,9 @@ endif::git-format-patch[] -O<orderfile>:: Output the patch in the order specified in the <orderfile>, which has one shell glob pattern per line. + This overrides the `diff.orderfile` configuration variable + (see linkgit:git-config[1]). To cancel `diff.orderfile`, + use `-O/dev/null`. ifndef::git-format-patch[] -R:: diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt index 322f5ed31..f6a16f430 100644 --- a/Documentation/git-cat-file.txt +++ b/Documentation/git-cat-file.txt @@ -109,6 +109,11 @@ newline. The available atoms are: The size, in bytes, that the object takes up on disk. See the note about on-disk sizes in the `CAVEATS` section below. +`deltabase`:: + If the object is stored as a delta on-disk, this expands to the + 40-hex sha1 of the delta base object. Otherwise, expands to the + null sha1 (40 zeroes). See `CAVEATS` below. + `rest`:: If this atom is used in the output string, input lines are split at the first whitespace boundary. All characters before that @@ -152,10 +157,11 @@ should be taken in drawing conclusions about which refs or objects are responsible for disk usage. The size of a packed non-delta object may be much larger than the size of objects which delta against it, but the choice of which object is the base and which is the delta is arbitrary -and is subject to change during a repack. Note also that multiple copies -of an object may be present in the object database; in this case, it is -undefined which copy's size will be reported. +and is subject to change during a repack. +Note also that multiple copies of an object may be present in the object +database; in this case, it is undefined which copy's size or delta base +will be reported. GIT --- diff --git a/Documentation/git-filter-branch.txt b/Documentation/git-filter-branch.txt index e4c8e8266..2eba62717 100644 --- a/Documentation/git-filter-branch.txt +++ b/Documentation/git-filter-branch.txt @@ -393,7 +393,7 @@ git filter-branch --index-filter \ Checklist for Shrinking a Repository ------------------------------------ -git-filter-branch is often used to get rid of a subset of files, +git-filter-branch can be used to get rid of a subset of files, usually with some combination of `--index-filter` and `--subdirectory-filter`. People expect the resulting repository to be smaller than the original, but you need a few more steps to @@ -429,6 +429,37 @@ warned. (or if your git-gc is not new enough to support arguments to `--prune`, use `git repack -ad; git prune` instead). +Notes +----- + +git-filter-branch allows you to make complex shell-scripted rewrites +of your Git history, but you probably don't need this flexibility if +you're simply _removing unwanted data_ like large files or passwords. +For those operations you may want to consider +link:http://rtyley.github.io/bfg-repo-cleaner/[The BFG Repo-Cleaner], +a JVM-based alternative to git-filter-branch, typically at least +10-50x faster for those use-cases, and with quite different +characteristics: + +* Any particular version of a file is cleaned exactly _once_. The BFG, + unlike git-filter-branch, does not give you the opportunity to + handle a file differently based on where or when it was committed + within your history. This constraint gives the core performance + benefit of The BFG, and is well-suited to the task of cleansing bad + data - you don't care _where_ the bad data is, you just want it + _gone_. + +* By default The BFG takes full advantage of multi-core machines, + cleansing commit file-trees in parallel. git-filter-branch cleans + commits sequentially (ie in a single-threaded manner), though it + _is_ possible to write filters that include their own parallellism, + in the scripts executed against each commit. + +* The link:http://rtyley.github.io/bfg-repo-cleaner/#examples[command options] + are much more restrictive than git-filter branch, and dedicated just + to the tasks of removing unwanted data- e.g: + `--strip-blobs-bigger-than 1M`. + GIT --- Part of the linkgit:git[1] suite diff --git a/Documentation/git-replace.txt b/Documentation/git-replace.txt index f373ab48d..0a02f7065 100644 --- a/Documentation/git-replace.txt +++ b/Documentation/git-replace.txt @@ -10,7 +10,7 @@ SYNOPSIS [verse] 'git replace' [-f] <object> <replacement> 'git replace' -d <object>... -'git replace' -l [<pattern>] +'git replace' [--format=<format>] [-l [<pattern>]] DESCRIPTION ----------- @@ -70,6 +70,23 @@ OPTIONS Typing "git replace" without arguments, also lists all replace refs. +--format=<format>:: + When listing, use the specified <format>, which can be one of + 'short', 'medium' and 'long'. When omitted, the format + defaults to 'short'. + +FORMATS +------- + +The following format are available: + +* 'short': + <replaced sha1> +* 'medium': + <replaced sha1> -> <replacement sha1> +* 'long': + <replaced sha1> (<replaced type>) -> <replacement sha1> (<replacement type>) + CREATING REPLACEMENT OBJECTS ---------------------------- diff --git a/Documentation/glossary-content.txt b/Documentation/glossary-content.txt index aa1c8880d..378306f58 100644 --- a/Documentation/glossary-content.txt +++ b/Documentation/glossary-content.txt @@ -323,24 +323,26 @@ including Documentation/chapter_1/figure_1.jpg. A pathspec that begins with a colon `:` has special meaning. In the short form, the leading colon `:` is followed by zero or more "magic signature" letters (which optionally is terminated by another colon `:`), -and the remainder is the pattern to match against the path. The optional -colon that terminates the "magic signature" can be omitted if the pattern -begins with a character that cannot be a "magic signature" and is not a -colon. +and the remainder is the pattern to match against the path. +The "magic signature" consists of ASCII symbols that are neither +alphanumeric, glob, regex special charaters nor colon. +The optional colon that terminates the "magic signature" can be +omitted if the pattern begins with a character that does not belong to +"magic signature" symbol set and is not a colon. + In the long form, the leading colon `:` is followed by a open parenthesis `(`, a comma-separated list of zero or more "magic words", and a close parentheses `)`, and the remainder is the pattern to match against the path. + -The "magic signature" consists of an ASCII symbol that is not -alphanumeric. +A pathspec with only a colon means "there is no pathspec". This form +should not be combined with other pathspec. + -- -top `/`;; - The magic word `top` (mnemonic: `/`) makes the pattern match - from the root of the working tree, even when you are running - the command from inside a subdirectory. +top;; + The magic word `top` (magic signature: `/`) makes the pattern + match from the root of the working tree, even when you are + running the command from inside a subdirectory. literal;; Wildcards in the pattern such as `*` or `?` are treated @@ -377,14 +379,12 @@ full pathname may have special meaning: - Other consecutive asterisks are considered invalid. + Glob magic is incompatible with literal magic. + +exclude;; + After a path matches any non-exclude pathspec, it will be run + through all exclude pathspec (magic signature: `!`). If it + matches, the path is ignored. -- -+ -Currently only the slash `/` is recognized as the "magic signature", -but it is envisioned that we will support more types of magic in later -versions of Git. -+ -A pathspec with only a colon means "there is no pathspec". This form -should not be combined with other pathspec. [[def_parent]]parent:: A <<def_commit_object,commit object>> contains a (possibly empty) list diff --git a/Documentation/technical/api-builtin.txt b/Documentation/technical/api-builtin.txt index f3c1357b7..e3d6e7a79 100644 --- a/Documentation/technical/api-builtin.txt +++ b/Documentation/technical/api-builtin.txt @@ -14,8 +14,8 @@ Git: . Add the external declaration for the function to `builtin.h`. -. Add the command to `commands[]` table in `handle_internal_command()`, - defined in `git.c`. The entry should look like: +. Add the command to the `commands[]` table defined in `git.c`. + The entry should look like: { "foo", cmd_foo, <options> }, + diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index cbb01a1ea..248dcabd5 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -1,5 +1,5 @@ Git User Manual -_______________ +=============== Git is a fast distributed revision control system. |