| Commit message (Collapse) | Author | Age |
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* jc/cache-tree: (24 commits)
Fix crash when reading the empty tree
fsck-objects: do not segfault on missing tree in cache-tree
cache-tree: a bit more debugging support.
read-tree: invalidate cache-tree entry when a new index entry is added.
Fix test-dump-cache-tree in one-tree disappeared case.
fsck-objects: mark objects reachable from cache-tree
cache-tree: replace a sscanf() by two strtol() calls
cache-tree.c: typefix
test-dump-cache-tree: validate the cached data as well.
cache_tree_update: give an option to update cache-tree only.
read-tree: teach 1-way merege and plain read to prime cache-tree.
read-tree: teach 1 and 2 way merges about cache-tree.
update-index: when --unresolve, smudge the relevant cache-tree entries.
test-dump-cache-tree: report number of subtrees.
cache-tree: sort the subtree entries.
Teach fsck-objects about cache-tree.
index: make the index file format extensible.
cache-tree: protect against "git prune".
Add test-dump-cache-tree
Use cache-tree in update-index.
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* master:
t0000-basic: more commit-tree tests.
commit-tree.c: check_valid() microoptimization.
Fix filename verification when in a subdirectory
rebase: typofix.
socksetup: don't return on set_reuse_addr() error
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... and move the cache-tree data into it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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read_cache_1() and write_cache_1() takes an extra parameter
*sha1 that returns the checksum of the index file when non-NULL.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* be/tag:
add more informative error messages to git-mktag
remove the artificial restriction tagsize < 8kb
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Signed-off-by: Björn Engelmann <BjEngelmann@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This makes "git format-patch" a built-in.
* js/fmt-patch:
git-rebase: use canonical A..B syntax to format-patch
git-format-patch: now built-in.
fmt-patch: Support --attach
fmt-patch: understand old <his> notation
Teach fmt-patch about --keep-subject
Teach fmt-patch about --numbered
fmt-patch: implement -o <dir>
fmt-patch: output file names to stdout
Teach fmt-patch to write individual files.
Use RFC2822 dates from "git fmt-patch".
git-fmt-patch: thinkofix to show [PATCH] properly.
rename internal format-patch wip
Minor tweak on subject line in --pretty=email
Tentative built-in format-patch.
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* master: (119 commits)
diff family: add --check option
Document that "git add" only adds non-ignored files.
Add a conversion tool to migrate remote information into the config
fetch, pull: ask config for remote information
Fix build procedure for builtin-init-db
read-tree -m -u: do not overwrite or remove untracked working tree files.
apply --cached: do not check newly added file in the working tree
Implement a --dry-run option to git-quiltimport
Implement git-quiltimport
Revert "builtin-grep: workaround for non GNU grep."
builtin-grep: workaround for non GNU grep.
builtin-grep: workaround for non GNU grep.
git-am: use apply --cached
apply --cached: apply a patch without using working tree.
apply --numstat: show new name, not old name.
Documentation/Makefile: create tarballs for the man pages and html files
Allow pickaxe and diff-filter options to be used by git log.
Libify the index refresh logic
Builtin git-init-db
Remove unnecessary local in get_ref_sha1.
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* master: (109 commits)
t1300-repo-config: two new config parsing tests.
Another config file parsing fix.
update-index: plug memory leak from prefix_path()
checkout-index: plug memory leak from prefix_path()
update-index --unresolve: work from a subdirectory.
pack-object: squelch eye-candy on non-tty
core.prefersymlinkrefs: use symlinks for .git/HEAD
repo-config: trim white-space before comment
Fix for config file section parsing.
Clarify git-cherry documentation.
Update git-unpack-objects documentation.
Fix up docs where "--" isn't displayed correctly.
Several trivial documentation touch ups.
git-svn 1.0.0
git-svn: documentation updates
delta: stricter constness
Makefile: do not link rev-list any specially.
builtin-push: --all and --tags _are_ explicit refspecs
builtin-log/whatchanged/show: make them official.
show-branch: omit uninteresting merges.
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Still Work-in-progress git fmt-patch (should it be known as
format-patch-ng?) is matched with the fix made by Huw Davies
in 262a6ef76a1dde97ab50d79fa5cd6d3f9f125765 commit to use
RFC2822 date format.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This makes 'git add' and 'git rm' built-ins.
* lt/dirwalk:
Add builtin "git rm" command
Move pathspec matching from builtin-add.c into dir.c
Prevent bogus paths from being added to the index.
builtin-add: fix unmatched pathspec warnings.
Remove old "git-add.sh" remnants
builtin-add: warn on unmatched pathspecs
Do "git add" as a builtin
Clean up git-ls-file directory walking library interface
libify git-ls-files directory traversal
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With this one, it's now a fatal error to try to add a pathname
that cannot be added with "git add", i.e.
[torvalds@g5 git]$ git add .git/config
fatal: unable to add .git/config to index
and
[torvalds@g5 git]$ git add foo/../bar
fatal: unable to add foo/../bar to index
instead of the old "Ignoring path xyz" warning that would end up
silently succeeding on any other paths.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This cleans up and libifies the "git update-index --[really-]refresh"
functionality. This will be eventually required for eventually doing the
"commit" and "status" commands as built-ins.
It really just moves "refresh_index()" from update-index.c to
read-cache.c, but it also has to change the calling convention so that the
function uses a "unsigned int flags" argument instead of various static
flags variables for passing down the information about whether to be quiet
or not, and allow unmerged entries etc.
That actually cleans up update-index.c too, since it turns out that all
those flags were really specific to that one function of the index update,
so they shouldn't have had file-scope visibility even before.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This updates the user interface and generated diff data format.
* "diff --binary" is used to signal that we want an e-mailable
binary patch. It implies --full-index and -p.
* "apply --allow-binary-replacement" acquired a short synonym
"apply --binary".
* After the "GIT binary patch\n" header line there is a token
to record which binary patch mechanism was used, so that we
can extend it later. Currently there are two mechanisms
defined: "literal" and "delta". The former records the
deflated postimage and the latter records the deflated delta
from the preimage to postimage.
For purely implementation convenience, I added the deflated
length after these "literal/delta" tokens (otherwise the
decoding side needs to guess and reallocate the buffer while
inflating). Improvement patches are very welcomed.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This adds "binary patch" to the diff output and teaches apply
what to do with them.
On the diff generation side, traditionally, we said "Binary
files differ\n" without giving anything other than the preimage
and postimage object name on the index line. This was good
enough for applying a patch generated from your own repository
(very useful while rebasing), because the postimage would be
available in such a case. However, this was not useful when the
recipient of such a patch via e-mail were to apply it, even if
the preimage was available.
This patch allows the diff to generate "binary" patch when
operating under --full-index option. The binary patch follows
the usual extended git diff headers, and looks like this:
"GIT binary patch\n"
<length byte><data>"\n"
...
"\n"
Each line is prefixed with a "length-byte", whose value is upper
or lowercase alphabet that encodes number of bytes that the data
on the line decodes to (1..52 -- 'A' means 1, 'B' means 2, ...,
'Z' means 26, 'a' means 27, ...). <data> is 1 or more groups of
5-byte sequence, each of which encodes up to 4 bytes in base85
encoding. Because 52 / 4 * 5 = 65 and we have the length byte,
an output line is capped to 66 characters. The payload is the
same diff-delta as we use in the packfiles.
On the consumption side, git-apply now can decode and apply the
binary patch when --allow-binary-replacement is given, the diff
was generated with --full-index, and the receiving repository
has the preimage blob, which is the same condition as it always
required when accepting an "Binary files differ\n" patch.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When inspecting a project whose build infrastructure used to
assume that .git/HEAD is a symlink ref, core.prefersymlinkrefs
in the config file of such a project would help to bisect its
history.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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If you don't have a "--" marker, then:
- all of the arguments we are going to assume are pathspecs
must exist in the working tree.
- none of the arguments we parsed as revisions could be
interpreted as a filename.
so that there really isn't any possibility of confusion in case
somebody does have a revision that looks like a pathname too.
The former rule has been in effect; this implements the latter.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When we are in a subdirectory of a git archive, we need to take the prefix
of that subdirectory into accoung when we verify filename arguments.
Noted by Matthias Lederhofer
This also uses the improved error reporting for all the other git commands
that use the revision parsing interfaces, not just git-rev-parse. Also, it
makes the error reporting for mixed filenames and argument flags clearer
(you cannot put flags after the start of the pathname list).
[jc: with fix to a trivial typo noticed by Timo Hirvonen]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Introduce tree-walk.[ch] and move "struct tree_desc" and
associated functions from various places.
Rename DIFF_FILE_CANON_MODE(mode) macro to canon_mode(mode) and
move it to cache.h. This macro returns the canonicalized
st_mode value in the host byte order for files, symlinks and
directories -- to be compared with a tree_desc entry.
create_ce_mode(mode) in cache.h is similar but is intended to be
used for index entries (so it does not work for directories) and
returns the value in the network byte order.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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tag exists.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Sometimes it is convient for a Porcelain to be able to checkout all
unmerged files in all stages so that an external merge tool can be
executed by the Porcelain or the end-user. Using git-unpack-file
on each stage individually incurs a rather high penalty due to the
need to fork for each file version obtained. git-checkout-index -a
--stage=all will now do the same thing, but faster.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* lt/rev-list:
setup_revisions(): handle -n<n> and -<n> internally.
git-log (internal): more options.
git-log (internal): add approxidate.
Rip out merge-order and make "git log <paths>..." work again.
Tie it all together: "git log"
Introduce trivial new pager.c helper infrastructure
git-rev-list libification: rev-list walking
Splitting rev-list into revisions lib, end of beginning.
rev-list split: minimum fixup.
First cut at libifying revlist generation
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This introduces the new function
void setup_pager(void);
to set up output to be written through a pager applocation.
All in preparation for doing the simple scripts in C.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The new configuration option apply.whitespace can take one of
"warn", "error", "error-all", or "strip". When git-apply is run
to apply the patch to the index, they are used as the default
value if there is no command line --whitespace option.
Andrew can now tell people who feed him git trees to update to
this version and say:
git repo-config apply.whitespace error
Signed-off-by: Junio C Hamano <junkio@cox.net>
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- Fix -Wundef -Wold-style-definition warnings
- Make pll_free() static
[jc: original patch by Timo had another unrelated bits:
- Use setenv() instead of putenv()
I'm postponing that part for now.]
Signed-off-by: Timo Hirvonen <tihirvon@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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* jc/nostat:
cache_name_compare() compares name and stage, nothing else.
"assume unchanged" git: documentation.
ls-files: split "show-valid-bit" into a different option.
"Assume unchanged" git: --really-refresh fix.
ls-files: debugging aid for CE_VALID changes.
"Assume unchanged" git: do not set CE_VALID with --refresh
"Assume unchanged" git
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This adds "assume unchanged" logic, started by this message in the list
discussion recently:
<Pine.LNX.4.64.0601311807470.7301@g5.osdl.org>
This is a workaround for filesystems that do not have lstat()
that is quick enough for the index mechanism to take advantage
of. On the paths marked as "assumed to be unchanged", the user
needs to explicitly use update-index to register the object name
to be in the next commit.
You can use two new options to update-index to set and reset the
CE_VALID bit:
git-update-index --assume-unchanged path...
git-update-index --no-assume-unchanged path...
These forms manipulate only the CE_VALID bit; it does not change
the object name recorded in the index file. Nor they add a new
entry to the index.
When the configuration variable "core.ignorestat = true" is set,
the index entries are marked with CE_VALID bit automatically
after:
- update-index to explicitly register the current object name to the
index file.
- when update-index --refresh finds the path to be up-to-date.
- when tools like read-tree -u and apply --index update the working
tree file and register the current object name to the index file.
The flag is dropped upon read-tree that does not check out the index
entry. This happens regardless of the core.ignorestat settings.
Index entries marked with CE_VALID bit are assumed to be
unchanged most of the time. However, there are cases that
CE_VALID bit is ignored for the sake of safety and usability:
- while "git-read-tree -m" or git-apply need to make sure
that the paths involved in the merge do not have local
modifications. This sacrifices performance for safety.
- when git-checkout-index -f -q -u -a tries to see if it needs
to checkout the paths. Otherwise you can never check
anything out ;-).
- when git-update-index --really-refresh (a new flag) tries to
see if the index entry is up to date. You can start with
everything marked as CE_VALID and run this once to drop
CE_VALID bit for paths that are modified.
Most notably, "update-index --refresh" honours CE_VALID and does
not actively stat, so after you modified a file in the working
tree, update-index --refresh would not notice until you tell the
index about it with "git-update-index path" or "git-update-index
--no-assume-unchanged path".
This version is not expected to be perfect. I think diff
between index and/or tree and working files may need some
adjustment, and there probably needs other cases we should
automatically unmark paths that are marked to be CE_VALID.
But the basics seem to work, and ready to be tested by people
who asked for this feature.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Previous one warned people upfront to encourage fixing their
environment early, but some people just use repositories and git
tools read-only without making any changes, and in such a case
there is not much point insisting on them having a usable ident.
This round attempts to move the error until either "git-var"
asks for the ident explicitly or "commit-tree" wants to use it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The delta depth is unsigned.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It used to be that "git-unpack-objects" would give nice percentages, but
now that we don't unpack the initial clone pack any more, it doesn't. And
I'd love to do that nice percentage view in the pack objects downloader
too, but the thing doesn't even read the pack header, much less know how
much it's going to get, so I was lazy and didn't.
Instead, it at least prints out how much data it's gotten, and what the
packing speed is. Which makes the user realize that it's actually doing
something useful instead of sitting there silently (and if the recipient
knows how large the final result is, he can at least make a guess about
when it migt be done).
So with this patch, I get something like this on my DSL line:
[torvalds@g5 ~]$ time git clone master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 clone-test
Packing 188543 objects
48.398MB (154 kB/s)
where even the speed approximation seems to be roughtly correct (even
though my algorithm is a truly stupid one, and only really gives "speed in
the last half second or so").
Anyway, _something_ like this is definitely needed. It could certainly be
better (if it showed the same kind of thing that git-unpack-objects did,
that would be much nicer, but would require parsing the object stream as
it comes in). But this is big step forward, I think.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The minimum length of abbreviated object name was hardcoded in
different places to be 4, risking inconsistencies in the future.
Also there were three different "default abbreviation
precision". Use two C preprocessor symbols to clean up this
mess.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This makes read_tree_recursive and read_tree take a struct tree
instead of a buffer. It also move the declaration of read_tree into
tree.h (where struct tree is defined), and updates ls-tree and
diff-index (the only places that presently use read_tree*()) to use
the new versions.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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When overriding DT_* macro detection with NO_D_TYPE_IN_DIRENT (recent
Cygwin build problem, which hopefully is already fixed in their CVS
snapshot version), we define DTYPE() macro to return just "we do not
know", but still needed to use DT_* macro to avoid ifdef in the code
we use them. If the platform defines DT_* macro but with unusable
d_type, this would have resulted in us redefining these preprocessor
symbols.
Admittedly, that would be just a couple of compilation warnings, and
on Cygwin at least this particular problem is transitory (the problem
is already fixed in their CVS snapshot version), so this is a low
priority fix.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The recent Cygwin defines DT_UNKNOWN although it does not have d_type
in struct dirent. Give an option to tell us not to use d_type on such
platforms. Hopefully this problem will be transient.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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ISO C99 (and GCC 3.x or later) lets you write a flexible array
at the end of a structure, like this:
struct frotz {
int xyzzy;
char nitfol[]; /* more */
};
GCC 2.95 and 2.96 let you to do this with "char nitfol[0]";
unfortunately this is not allowed by ISO C90.
This declares such construct like this:
struct frotz {
int xyzzy;
char nitfol[FLEX_ARRAY]; /* more */
};
and git-compat-util.h defines FLEX_ARRAY to 0 for gcc 2.95 and
empty for others.
If you are using a C90 C compiler, you should be able
to override this with CFLAGS=-DFLEX_ARRAY=1 from the
command line of "make".
Signed-off-by: Junio C Hamano <junkio@cox.net>
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If the config variable 'core.sharedrepository' is set, the directories
$GIT_DIR/objects/
$GIT_DIR/objects/??
$GIT_DIR/objects/pack
$GIT_DIR/refs
$GIT_DIR/refs/heads
$GIT_DIR/refs/heads/tags
are set group writable (and g+s, since the git group may be not the primary
group of all users).
Since all files are written as lock files first, and then moved to
their destination, they do not have to be group writable. Indeed, if
this leads to problems you found a bug.
Note that -- as in my first attempt -- the config variable is set in the
function which checks the repository format. If this were done in
git_default_config instead, a lot of programs would need to be modified
to call git_config(git_default_config) first.
[jc: git variables should be in environment.c unless there is a
compelling reason to do otherwise.]
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Split out the functions that deal with the socketpair after
finishing git protocol handshake to receive the packed data into
a separate file, and use it in fetch-pack to keep/explode the
received pack data. We earlier had something like that on
clone-pack side once, but the list discussion resulted in the
decision that it makes sense to always keep the pack for
clone-pack, so unpacking option is not enabled on the clone-pack
side, but we later still could do so easily if we wanted to with
this change.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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In order to support getting data into git with scripts, this adds a
--stdin option to git-hash-object, which will make it read from stdin.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This attempts to clean up the way various compatibility
functions are defined and used.
- A new header file, git-compat-util.h, is introduced. This
looks at various NO_XXX and does necessary function name
replacements, equivalent of -Dstrcasestr=gitstrcasestr in the
Makefile.
- Those function name replacements are removed from the Makefile.
- Common features such as usage(), die(), xmalloc() are moved
from cache.h to git-compat-util.h; cache.h includes
git-compat-util.h itself.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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- prefix_filename() is like prefix_path() but can be used to
name any file on the filesystem, not the files that might go
into the index file.
- setup_git_directory_gently() tries to find the GIT_DIR, but does
not die() if called outside a git repository.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This is to hold what the project-local rule as to the
charset/encoding for the commit log message is. Lack of it
defaults to utf-8.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This makes init-db repository version aware.
It checks if an existing config file says the repository being
reinitialized is of a wrong version and aborts before doing
further harm.
When copying the templates, it makes sure the they are of the
right repository format version. Otherwise the templates are
ignored with an warning message.
It copies the templates before creating the HEAD, and if the
config file is copied from the template directory, reads it,
primarily to pick up the value of core.symrefsonly.
It changes the way the result of the filemode reliability test
is written to the configuration file using git_config_set().
The test is done even if the config file was copied from the
templates.
And finally, our own repository format version is written to the
config file.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This adds the repository format version code, first done by
Martin Atukunda.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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var.c::git_var read function did not have to return writable
strings; make it and the functions it points at return const char *
instead.
ident.c::get_ident() did not need to be global, so make it
static.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Make some functions static and convert func() function prototypes to to
func(void). Fix declaration after statement, missing declaration and
redundant declaration warnings.
Signed-off-by: Timo Hirvonen <tihirvon@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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... namely
--replace-all, to replace any amount of matching lines, not just 0 or 1,
--get, to get the value of one key,
--get-all, the multivar version of --get, and
--unset-all, which deletes all matching lines from .git/config
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This patch provides the work-horse of the user-relative paths feature,
using Linus' idea of a blind chdir() and getcwd() which makes it
remarkably simple.
Signed-off-by: Andreas Ericsson <ae@op5.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The function git_config_set() does exactly what you think it does.
Given a key (in the form "core.filemode") and a value, it sets the
key to the value. Example:
git_config_set("core.filemode", "true");
The function git_config_set_multivar() is meant for setting variables which
can have several values for the same key. Example:
[diff]
twohead = resolve
twohead = recarsive
the typo in the second line can be replaced by
git_config_set_multivar("diff.twohead", "recursive", "^recar");
The third argument of the function is a POSIX extended regex which has to
match the value. If there is no key/value pair with a matching value, a new
key/value pair is added.
These commands are also capable of unsetting (deleting) entries:
git_config_set_multivar("diff.twohead", NULL, "sol");
will delete the entry
twohead = resolve
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Ok. This is the insane patch to do this.
It really isn't very careful, and the reason I call it "approxidate()"
will become obvious when you look at the code. It is very liberal in what
it accepts, to the point where sometimes the results may not make a whole
lot of sense.
It accepts "last week" as a date string, by virtue of "last" parsing as
the number 1, and it totally ignoring superfluous fluff like "ago", so
"last week" ends up being exactly the same thing as "1 week ago". Fine so
far.
It has strange side effects: "last december" will actually parse as "Dec
1", which actually _does_ turn out right, because it will then notice that
it's not December yet, so it will decide that you must be talking about a
date last year. So it actually gets it right, but it's kind of for the
"wrong" reasons.
It also accepts the numbers 1..10 in string format ("one" .. "ten"), so
you can do "ten weeks ago" or "ten hours ago" and it will do the right
thing.
But it will do some really strange thigns too: the string "this will last
forever", will not recognize anyting but "last", which is recognized as
"1", which since it doesn't understand anything else it will think is the
day of the month. So if you do
gitk --since="this will last forever"
the date will actually parse as the first day of the current month.
And it will parse the string "now" as "now", but only because it doesn't
understand it at all, and it makes everything relative to "now".
Similarly, it doesn't actually parse the "ago" or "from now", so "2 weeks
ago" is exactly the same as "2 weeks from now". It's the current date
minus 14 days.
But hey, it's probably better (and certainly faster) than depending on GNU
date. So now you can portably do things like
gitk --since="two weeks and three days ago"
git log --since="July 5"
git-whatchanged --since="10 hours ago"
git log --since="last october"
and it will actually do exactly what you thought it would do (I think). It
will count 17 days backwards, and it will do so even if you don't have GNU
date installed.
(I don't do "last monday" or similar yet, but I can extend it to that too
if people want).
It was kind of fun trying to write code that uses such totally relaxed
"understanding" of dates yet tries to get it right for the trivial cases.
The result should be mixed with a few strange preprocessor tricks, and be
submitted for the IOCCC ;)
Feel free to try it out, and see how many strange dates it gets right. Or
wrong.
And if you find some interesting (and valid - not "interesting" as in
"strange", but "interesting" as in "I'd be interested in actually doing
this) thing it gets wrong - usually by not understanding it and silently
just doing some strange things - please holler.
Now, as usual this certainly hasn't been getting a lot of testing. But my
code always works, no?
Linus
Signed-off-by: Junio C Hamano <junkio@cox.net>
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