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Using find_pack_entry_one() to get object offsets is rather suboptimal
when nth_packed_object_offset() can be used directly.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The shell version used to use "mkdir -p" to create the repo
path, but the C version just calls "mkdir". Let's replicate
the old behavior. We have to create the git and worktree
leading dirs separately; while most of the time, the
worktree dir contains the git dir (as .git), the user can
override this using GIT_WORK_TREE.
We can reuse safe_create_leading_directories, but we need to
make a copy of our const buffer to do so. Since
merge-recursive uses the same pattern, we can factor this
out into a global function. This has two other cleanup
advantages for merge-recursive:
1. mkdir_p wasn't a very good name. "mkdir -p foo/bar" actually
creates bar, but this function just creates the leading
directories.
2. mkdir_p took a mode argument, but it was completely
ignored.
Acked-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We used to mark hooks we ship as samples by making them unexecutable, but
some filesystems cannot tell what is executable and what is not.
This makes it much more explicit. The hooks are suffixed with .sample
(but now are made executable), so enabling it is still one step operation
(instead of "chmod +x $hook", you would do "mv $hook.sample $hook") but
now they won't get accidentally enabled on systems without executable bit.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This hook is what I have been using to manage topic branches in git.git,
but have not been updated to the Real Thing for a while.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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New pack structures are currently allocated in 2 different places
and all members have to be initialized explicitly. This is prone
to errors leading to segmentation faults as found by Teemu Likonen.
Let's have a common place where this structure is allocated, and have
all members explicitly initialized to zero.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We should be able to fall back to loose objects or alternative packs when
a pack becomes corrupted. This is especially true when an object exists
in one pack only as a delta but its base object is corrupted. Currently
there is no way to retrieve the former object even if the later is
available in another pack or loose.
This patch allows for a delta to be resolved (with a performance cost)
using a base object from a source other than the pack where that delta
is located. Same thing for non-delta objects: rather than failing
outright, a search is made in other packs or used loose when the
currently active pack has it but corrupted.
Of course git will become extremely noisy with error messages when that
happens. However, if the operation succeeds nevertheless, a simple
'git repack -a -f -d' will "fix" the corrupted repository given that all
corrupted objects have a good duplicate somewhere in the object store,
possibly manually copied from another source.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This makes life much easier for next patch, as well as being more efficient
when the revindex is actually not used.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
git-svn: make rebuild respect rewriteRoot option
Workaround for AIX mkstemp()
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Suppose someone fetches git-svn-ified commits from another repo and then
attempts to use 'git-svn init --rewrite-root=foo bar'. Using git svn rebase
after that will fail badly:
* For each commit tried by working_head_info, rebuild is called indirectly.
* rebuild will iterate over all commits and skip all of them because the
URL does not match. Because of that no rev_map file is generated at all.
* Thus, rebuild will run once for every commit. This takes ages.
* In the end there still isn't any rev_map file and thus working_head_info
fails.
Addressing this behaviour fixes an apparently not too uncommon problem with
providing git-svn mirrors of Subversion repositories. Some repositories are
accessed using different URLs depending on whether the user has push
privileges or not. In the latter case, an anonymous URL is often used that
differs from the push URL. Providing a mirror that is usable in both cases
becomes a lot more possible with this change.
Signed-off-by: Jan Krüger <jk@jk.gs>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The AIX mkstemp will modify it's template parameter to an empty string if
the call fails. This caused a subsequent mkdir to fail.
Signed-off-by: Patrick Higgins <patrick.higgins@cexp.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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So I was looking at the disgusting size of the git binary, and even with
the debugging removed, and using -Os instead of -O2, the size of the text
section was pretty high. In this day and age I guess almost a megabyte of
text isn't really all that surprising, but it still doesn't exactly make
me think "lean and mean".
With -Os, a surprising amount of text space is wasted on inline functions
that end up just being replicated multiple times, and where performance
really isn't a valid reason to inline them. In particular, the trivial
wrapper functions like "xmalloc()" are used _everywhere_, and making them
inline just duplicates the text (and the string we use to 'die()' on
failure) unnecessarily.
So this just moves them into a "wrapper.c" file, getting rid of a tiny bit
of unnecessary bloat. The following numbers are both with "CFLAGS=-Os":
Before:
[torvalds@woody git]$ size git
text data bss dec hex filename
700460 15160 292184 1007804 f60bc git
After:
[torvalds@woody git]$ size git
text data bss dec hex filename
670540 15160 292184 977884 eebdc git
so it saves almost 30k of text-space (it actually saves more than that
with the default -O2, but I don't think that's necessarily a very relevant
number from a "try to shrink git" standpoint).
It might conceivably have a performance impact, but none of this should be
_that_ performance critical. The real cost is not generally in the wrapper
anyway, but in the code it wraps (ie the cost of "xread()" is all in the
read itself, not in the trivial wrapping of it).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Extend parse-options test suite
api-parse-options.txt: Introduce documentation for parse options API
parse-options.c: fix documentation syntax of optional arguments
api-builtin.txt: update and fix typo
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This patch serves two purposes:
1. test-parse-option.c should be a more complete
example for the parse-options API, and
2. there have been no tests for OPT_CALLBACK,
OPT_DATE, OPT_BIT, OPT_SET_INT and OPT_SET_PTR
before.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add some documentation of basics, macros and callback
implementation of the parse-options API.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When an argument for an option is optional, short options don't need a
space between the option and the argument, and long options need a "=".
Otherwise, arguments are misinterpreted.
Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mention NEED_WORK_TREE flag and command-list.txt.
Fix "bulit-in" typo and AsciiDoc-formatting of a paragraph.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* rs/archive-ignore:
Teach new attribute 'export-ignore' to git-archive
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* lt/racy-empty:
racy-git: an empty blob has a fixed object name
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* sn/static:
config.c: make git_env_bool() static
environment.c: remove unused function
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* jc/maint-combine-diff-pre-context:
diff -c/--cc: do not include uninteresting deletion before leading context
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* lt/maint-gitdir-relative:
Make git_dir a path relative to work_tree in setup_work_tree()
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* jk/test:
enable whitespace checking of test scripts
avoid trailing whitespace in zero-change diffstat lines
avoid whitespace on empty line in automatic usage message
mask necessary whitespace policy violations in test scripts
fix whitespace violations in test scripts
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* pb/fast-export:
builtin-fast-export: Add importing and exporting of revision marks
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* mo/status-untracked:
Add configuration option for default untracked files mode
Add argument 'no' commit/status option -u|--untracked-files
Add an optional <mode> argument to commit/status -u|--untracked-files option
Conflicts:
Documentation/git-commit.txt
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* kh/update-ref:
Make old sha1 optional with git update-ref -d
Clean up builtin-update-ref's option parsing
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* jn/web:
gitweb: Separate generating 'sort by' table header
gitweb: Separate filling list of projects info
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* rg/gitweb:
gitweb: remove git_blame and rename git_blame2 to git_blame
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This option behaves more like:
git push $url +refs/*:refs/*
than it does like:
git push $url +refs/heads/*:refs/heads/* +refs/tags/*:refs/tags/*
so we should document it to be more clear about that.
Suggested-by: Marek Zawirski <marek.zawirski@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add description of GIT_SKIP_TESTS variable, taken almost verbatim
(adjusting for conventions in t/README) from the commit message in
04ece59 (GIT_SKIP_TESTS: allow users to omit tests that are known to break)
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the COMMIT_EDITMSG cannot be opened, give more information to the user
by giving the 'errno' information.
Signed-off-by: Cristian Peraferrer <corellian.c@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This makes it possible to install html documents from the top level
directory. Previously such target was only in Documentation/Makefile.
Signed-off-by: Teemu Likonen <tlikonen@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Options added: --walk-reflogs --stat --numstat --shortstat
--decorate --diff-filter= --color-words
Signed-off-by: Teemu Likonen <tlikonen@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The script appp.sh can be used with the External Editor extension for
Mozilla Thunderbird in order to be able to send inline patches in an
easy way.
Signed-off-by: Lukas Sandström <lukass@etek.chalmers.se>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function is not used by any other file.
Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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get_refs_directory() is not used anywhere.
Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Once we find the absolute paths for git_dir and work_tree, we can make
git_dir a relative path since we know pwd will be work_tree. This should
save the kernel some time traversing the path to work_tree all the time
if git_dir is inside work_tree.
Daniel's patch didn't apply for me as-is, so I recreated it with some
differences, and here are the numbers from ten runs each.
There is some IO for me - probably due to more-or-less random flushing of
the journal - so the variation is bigger than I'd like, but whatever:
Before:
real 0m8.135s
real 0m7.933s
real 0m8.080s
real 0m7.954s
real 0m7.949s
real 0m8.112s
real 0m7.934s
real 0m8.059s
real 0m7.979s
real 0m8.038s
After:
real 0m7.685s
real 0m7.968s
real 0m7.703s
real 0m7.850s
real 0m7.995s
real 0m7.817s
real 0m7.963s
real 0m7.955s
real 0m7.848s
real 0m7.969s
Now, going by "best of ten" (on the assumption that the longer numbers
are all due to IO), I'm saying a 7.933s -> 7.685s reduction, and it does
seem to be outside of the noise (ie the "after" case never broke 8s, while
the "before" case did so half the time).
So looks like about 3% to me.
Doing it for a slightly smaller test-case (just the "arch" subdirectory)
gets more stable numbers probably due to not filling the journal with
metadata updates, so we have:
Before:
real 0m1.633s
real 0m1.633s
real 0m1.633s
real 0m1.632s
real 0m1.632s
real 0m1.630s
real 0m1.634s
real 0m1.631s
real 0m1.632s
real 0m1.632s
After:
real 0m1.610s
real 0m1.609s
real 0m1.610s
real 0m1.608s
real 0m1.607s
real 0m1.610s
real 0m1.609s
real 0m1.611s
real 0m1.608s
real 0m1.611s
where I'ld just take the averages and say 1.632 vs 1.610, which is just
over 1% peformance improvement.
So it's not in the noise, but it's not as big as I initially thought and
measured.
(That said, it obviously depends on how deep the working directory path is
too, and whether it is behind NFS or something else that might need to
cause more work to look up).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Documentation: fix formatting in git-svn
t7502-commit.sh: test_must_fail doesn't work with inline environment variables
completion: add --graph to log command completion
git-merge.sh: fix typo in usage message: sucesses --> succeeds
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Due to a misplaced list block separator, general hints about the config
file options got indented at the same level as the description of the last
option, making it easy to miss them.
Signed-off-by: Jan Krüger <jk@jk.gs>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the arguments to test_must_fail() begin with a variable assignment,
test_must_fail() attempts to execute the variable assignment as a command.
This fails, and so test_must_fail returns with a successful status value
without running the command it was intended to test.
For example, the following script:
#!/bin/sh
test_must_fail () {
"$@"
test $? -gt 0 -a $? -le 129
}
foo='wo adrian'
test_must_fail foo='yo adrian' sh -c 'echo foo: $foo'
always exits zero and prints the message:
test.sh: line 3: foo=yo adrian: command not found
Test 16 calls test_must_fail in such a way and therefore has not been
testing whether git 'do[es] not fire editor in the presence of conflicts'.
A workaround is to set and export the variable in a normal way, not
using one-shot notation. Because this would affect the remainder of
the process, the test is done inside a subshell.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Dan McGee <dpmcgee@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This adds the --import-marks and --export-marks to fast-export. These import
and export the marks used to for all revisions exported in a similar fashion
to what fast-import does. The format is the same as fast-import, so you can
create a bidirectional importer / exporter by using the same marks file on
both sides.
Signed-off-by: Pieter de Bie <pdebie@ai.rug.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a --long-tests option to test-lib.sh, which enables tests to
selectively run more exhaustive (longer running, potentially
brute-force) tests. Such exhaustive tests would only be useful if one
works on the specific module that is being tested -- for a general "cd
t/; make" to check whether everything is OK, such exhaustive tests
shouldn't be run by default since the longer it takes to run the
tests, the less often they are actually run.
Signed-off-by: Lea Wiemann <LeWiemann@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We use size=0 as the magic token to say the entry is known to be racily
clean, but a sequence that does:
- update the path with a non-empty blob and write the index;
- update an unrelated path and write the index -- this smudges
the above entry;
- truncate the path to size zero.
would make both the size field for the path in the index and the size on
the filesystem zero. We should not mistake it as a clean index entry.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we include a few uninteresting lines before the interesting ones as
context, we are only interested in seeing the surviving lines themselves
and not the deleted lines that are before them. Mark the added leading
context lines in give_context() and not show deleted lines form them.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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match_explicit is called for each push refspec to try to
fully resolve the source and destination sides of the
refspec. Currently, we look at each refspec and report
errors on both the source and the dest side before aborting.
It makes sense to report errors for each refspec, since an
error in one is independent of an error in the other.
However, reporting errors on the 'dst' side of a refspec if
there has been an error on the 'src' side does not
necessarily make sense, since the interpretation of the
'dst' side depends on the 'src' side (for example, when
creating a new unqualified remote ref, we use the same type
as the src ref).
This patch lets match_explicit return early when the src
side of the refspec is bogus. We still look at all of the
refspecs before aborting the push, though.
At the same time, we clean up the call signature, which
previously took an extra "errs" flag. This was pointless, as
we didn't act on that flag, but rather just passed it back
to the caller. Instead, we now use the more traditional
"return -1" to signal an error, and the caller aggregates
the error count.
This change fixes two bugs, as well:
- the early return avoids a segfault when passing a NULL
matched_src to guess_ref()
- the check for multiple sources pointing to a single dest
aborted if the "err" flag was set. Presumably the intent
was not to bother with the check if we had no
matched_src. However, since the err flag was passed in
from the caller, we might abort the check just because a
previous refspec had a problem, which doesn't make
sense.
In practice, this didn't matter, since due to the error
flag we end up aborting the push anyway.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit af66366a9feb0194ed04b1f538998021ece268a8 introduced the keyword
"never" to be used with approxidate() but defined it with a fixed date
without taking care of timezone. As a result approxidate() will return
a timestamp in the future with a negative timezone.
With this patch, approxidate("never") always return 0 whatever your
timezone is.
Signed-off-by: Olivier Marin <dkr@freesurf.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Nicolas Pitre
Jeff King
Junio C Hamano
Jan Krüger
Patrick Higgins
Michele Ballabio
Linus Torvalds
Stephan Beyer
Shawn O. Pearce
Jakub Narebski
Cristian Peraferrer
Teemu Likonen
Lukas Sandström
しらいしななこ
Brandon Casey
Dan McGee
Pieter de Bie
Lea Wiemann
Olivier Marin