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Unified context patch generated by GNU diff has UNIX epoch timestamp
on the side that does not exist when the patch is about a creation or
a deletion event. Notice this convention when reading a non-git diff.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* tr/die_errno:
Use die_errno() instead of die() when checking syscalls
Convert existing die(..., strerror(errno)) to die_errno()
die_errno(): double % in strerror() output just in case
Introduce die_errno() that appends strerror(errno) to die()
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Lots of die() calls did not actually report the kind of error, which
can leave the user confused as to the real problem. Use die_errno()
where we check a system/library call that sets errno on failure, or
one of the following that wrap such calls:
Function Passes on error from
-------- --------------------
odb_pack_keep open
read_ancestry fopen
read_in_full xread
strbuf_read xread
strbuf_read_file open or strbuf_read_file
strbuf_readlink readlink
write_in_full xwrite
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change calls to die(..., strerror(errno)) to use the new die_errno().
In the process, also make slight style adjustments: at least state
_something_ about the function that failed (instead of just printing
the pathname), and put paths in single quotes.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are a few remaining ones, but this fixes the trivial ones. It boils
down to two main issues that sparse complains about:
- warning: Using plain integer as NULL pointer
Sparse doesn't like you using '0' instead of 'NULL'. For various good
reasons, not the least of which is just the visual confusion. A NULL
pointer is not an integer, and that whole "0 works as NULL" is a
historical accident and not very pretty.
A few of these remain: zlib is a total mess, and Z_NULL is just a 0.
I didn't touch those.
- warning: symbol 'xyz' was not declared. Should it be static?
Sparse wants to see declarations for any functions you export. A lack
of a declaration tends to mean that you should either add one, or you
should mark the function 'static' to show that it's in file scope.
A few of these remain: I only did the ones that should obviously just
be made static.
That 'wt_status_submodule_summary' one is debatable. It has a few related
flags (like 'wt_status_use_color') which _are_ declared, and are used by
builtin-commit.c. So maybe we'd like to export it at some point, but it's
not declared now, and not used outside of that file, so 'static' it is in
this patch.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Simplify the argh printing by simply calling usage_argh() if the option
can take an argument. Update macros defined in parse-options.h to set
the PARSE_OPT_NOARG flag.
The only other user of custom non-argument taking options is git-apply
(in this case OPTION_BOOLEAN for deprecated options). Update it to set
the PARSE_OPT_NOARG flag.
Thanks to Ren辿 Scharfe for the suggestion and starter patch.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Reviewd-by: René Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sb/opt-filename:
parse-opts: add OPT_FILENAME and transition builtins
parse-opts: prepare for OPT_FILENAME
Conflicts:
builtin-log.c
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* mm/apply-double-slash:
apply: handle filenames with double slashes better
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* sb/maint-1.6.2-opt-filename-fix:
apply, fmt-merge-msg: use relative filenames
commit: -F overrides -t
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Commit dbd0f5c (Files given on the command line are relative to $cwd,
2008-08-06) introduced parse_options_fix_filename() as a minimal fix.
OPT_FILENAME is intended to be a more robust fix for the same issue.
OPT_FILENAME and its associated enum OPTION_FILENAME are used to
represent filename options within the parse options API.
This option is similar to OPTION_STRING. If --no is prefixed to the
option the filename is unset. If no argument is given and the default
value is set, the filename is set to the default value. The difference
is that the filename is prefixed with the prefix passed to
parse_options() (or parse_options_start()).
Update git-apply, git-commit, git-fmt-merge-msg, and git-tag to use
OPT_FILENAME with their filename options. Also, rename
parse_options_fix_filename() to fix_filename() as it is no longer
extern.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To give OPT_FILENAME the prefix, we pass the prefix to parse_options()
which passes the prefix to parse_options_start() which sets the prefix
member of parse_opts_ctx accordingly. If there isn't a prefix in the
calling context, passing NULL will suffice.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* master: (654 commits)
http-push.c::remove_locks(): fix use after free
t/t3400-rebase.sh: add more tests to help migrating git-rebase.sh to C
post-receive-email: hooks.showrev: show how to include both web link and patch
MinGW: Fix compiler warning in merge-recursive
MinGW: Add a simple getpass()
MinGW: use POSIX signature of waitpid()
MinGW: the path separator to split GITPERLLIB is ';' on Win32
MinGW: Scan for \r in addition to \n when reading shbang lines
gitweb: Sanitize title attribute in format_subject_html
Terminate argv with NULL before calling setup_revisions()
doc/git-rebase.txt: remove mention of multiple strategies
git-send-email: Handle quotes when parsing .mailrc files
git-svn: add --authors-prog option
git-svn: Set svn.authorsfile if it is passed to git svn clone
git-svn: Correctly report max revision when following deleted paths
git-svn: Fix for svn paths removed > log-window-size revisions ago
git-svn testsuite: use standard configuration for Subversion tools
grep: fix word-regexp colouring
completion: use git rev-parse to detect bare repos
Cope better with a _lot_ of packs
...
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When there are duplicated slashes in pathnames, like this:
--- a/perl//Git.pm
+++ b/perl//Git.pm
@@ -1358,3 +1358,4 @@
1; # Famous last words
+# test
the paths gleaned from the patch header won't be found in the index and
cause "apply --index" and "apply --cached" to fail.
Fix this by squashing the duplicated slashes upon input.
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit dbd0f5c7 (Files given on the command line are relative to $cwd,
2008-08-06) only fixed git-commit and git-tag. But, git-apply and
git-fmt-merge-msg didn't get the update and exhibit the same behavior.
Fix them and add tests for "apply --build-fake-ancestor" and
"fmt-merge-msg -F".
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This helps to notice when something's going wrong, especially on
systems which lock open files.
I used the following criteria when selecting the code for replacement:
- it was already printing a warning for the unlink failures
- it is in a function which already printing something or is
called from such a function
- it is in a static function, returning void and the function is only
called from a builtin main function (cmd_)
- it is in a function which handles emergency exit (signal handlers)
- it is in a function which is obvously cleaning up the lockfiles
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Example correct diff generated by `diff -M -B' might look like this:
diff --git a/file1 b/file2
similarity index 100%
rename from file1
rename to file2
diff --git a/file2 b/file1
similarity index 100%
rename from file2
rename to file1
Information about removing `file2' comes after information about creation
of new `file2' (renamed from `file1'). Existing implementation isn't able to
apply such patch, because it has to know in advance which files will be
removed.
This patch populates fn_table with information about removal of files
before calling check_patch() for each patch to be applied.
Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Do not use non ASCII single quote.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Example correct diff generated by `diff -M -B' might look like this:
diff --git a/file1 b/file2
similarity index 100%
rename from file1
rename to file2
diff --git a/file2 b/file1
similarity index 100%
rename from file2
rename to file1
Information about removing `file2' comes after information about creation
of new `file2' (renamed from `file1'). Existing implementation isn't able to
apply such patch, because it has to know in advance which files will be
removed.
This patch populates fn_table with information about removal of files
before calling check_patch() for each patch to be applied.
Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The options "--binary" and "--allow-binary-replacement" of
git-apply are no-op and maintained for backward compatibility,
so avoid to show them in the short help screen.
Signed-off-by: Michele Ballabio <barra_cuda@katamail.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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Swap function argument pair (length, string) into (string, length) to
conform with the commonly used order inside the GIT source code.
Also, add a note about this fact into the coding guidelines.
Signed-off-by: Kjetil Barvik <barvik@broadpark.no>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
User-manual: "git stash <comment>" form is long gone
add test-dump-cache-tree in Makefile
fix typo in Documentation
apply: fix access to an uninitialized mode variable, found by valgrind
Conflicts:
Makefile
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* maint-1.6.0:
User-manual: "git stash <comment>" form is long gone
add test-dump-cache-tree in Makefile
fix typo in Documentation
apply: fix access to an uninitialized mode variable, found by valgrind
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When 'tpatch' was initialized successfully, st_mode was already taken
from the previous diff. We should not try to override it with data
from an lstat() that was never called.
This is a companion patch to 7a07841(git-apply: handle a patch that
touches the same path more than once better).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-apply-fix:
builtin-apply.c: do not set bogus mode in check_preimage() for deleted path
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If it is deleted, it is deleted. Do not set the current mode to it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* lt/maint-wrap-zlib:
Wrap inflate and other zlib routines for better error reporting
Conflicts:
http-push.c
http-walker.c
sha1_file.c
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* mv/apply-parse-opt:
Resurrect "git apply --flags -" to read from the standard input
parse-opt: migrate builtin-apply.
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* ap/maint-apply-modefix:
builtin-apply: prevent non-explicit permission changes
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R. Tyler Ballance reported a mysterious transient repository corruption;
after much digging, it turns out that we were not catching and reporting
memory allocation errors from some calls we make to zlib.
This one _just_ wraps things; it doesn't do the "retry on low memory
error" part, at least not yet. It is an independent issue from the
reporting. Some of the errors are expected and passed back to the caller,
but we die when zlib reports it failed to allocate memory for now.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous "parse-opt"ification broke git-apply reading from the
standard input. "git apply A - C <B" is supposed to read patches from
files A, B and C in this order.
Before "parse-opt"ification, we used be able to:
git apply --stat - --apply <A B
to read the patch from file A, showing only the diffstat, and then read the
patch from file B, showing the diffstat and actually applying it. Even
with this fix we cannot do that anymore, but that is so crazy use case I
do not think anybody sane relied on such a broken behaviour.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ap/maint-apply-modefix:
builtin-apply: prevent non-explicit permission changes
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A git patch that does not change the executable bit records the mode bits
on its "index" line. "git apply" used to interpret this mode exactly the
same way as it interprets the mode recorded on "new mode" line, as the
wish by the patch submitter to set the mode to the one recorded on the
line.
The reason the mode does not agree between the submitter and the receiver
in the first place is because there is _another_ commit that only appears
on one side but not the other since their histories diverged, and that
commit changes the mode. The patch has "index" line but not "new mode"
line because its change is about updating the contents without affecting
the mode. The application of such a patch is an explicit wish by the
submitter to only cherry-pick the commit that updates the contents without
cherry-picking the commit that modifies the mode. Viewed this way, the
current behaviour is problematic, even though the command does warn when
the mode of the path being patched does not match this mode, and a careful
user could detect this inconsistencies between the patch submitter and the
patch receiver.
This changes the semantics of the mode recorded on the "index" line;
instead of interpreting it as the submitter's wish to set the mode to the
recorded value, it merely informs what the mode submitter happened to
have, and the presense of the "index" line is taken as submitter's wish to
keep whatever the mode is on the receiving end.
This is based on the patch originally done by Alexander Potashev with a
minor fix; the tests are mine.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The only incompatible change is that the user how have to use '--'
before a patch file if it is named "--build-fake-ancestor=something".
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It was already what 'git apply' did in read_old_data(), just export it
as a real function, and make it be more generic.
In particular, this handles the case of the lstat() st_size data not
matching the readlink() return value properly (which apparently happens
at least on NTFS under Linux). But as a result of this you could also
use the new function without even knowing how big the link is going to
be, and it will allocate an appropriately sized buffer.
So we pass in the st_size of the link as just a hint, rather than a
fixed requirement.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ar/maint-mksnpath:
Fix potentially dangerous uses of mkpath and git_path
Fix mkpath abuse in dwim_ref and dwim_log of sha1_name.c
Add mksnpath which allows you to specify the output buffer
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Replace them with mksnpath/git_snpath and a local buffer
for the resulting string.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
test-lib: fix broken printf
git apply --directory broken for new files
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Many call sites use strbuf_init(&foo, 0) to initialize local
strbuf variable "foo" which has not been accessed since its
declaration. These can be replaced with a static initialization
using the STRBUF_INIT macro which is just as readable, saves a
function call, and takes up fewer lines.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We carefully verify that the input to git-apply is sane,
including cross-checking that the filenames we see in "+++"
headers match what was provided on the command line of "diff
--git". When --directory is used, however, we ended up
comparing the unadorned name to one with the prepended root,
causing us to complain about a mismatch.
We simply need to prepend the root directory, if any, when
pulling the name out of the git header.
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
builtin-apply: fix typo leading to stack corruption
git-stash.sh: fix flawed fix of invalid ref handling (commit da65e7c1)
builtin-merge.c: allocate correct amount of memory
Makefile: do not set NEEDS_LIBICONV for Solaris 8
rebase -i: remove leftover debugging
rebase -i: proper prepare-commit-msg hook argument when squashing
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This typo led to stack corruption for lines with whitespace fixes
and length > 1024.
Signed-off-by: Imre Deak <imre.deak@gmail.com>
Looks-good-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Signed-off-by: Dmitry Potapov <dpotapov@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Signed-off-by: Dmitry Potapov <dpotapov@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* bc/master-diff-hunk-header-fix:
Clarify commit error message for unmerged files
Use strchrnul() instead of strchr() plus manual workaround
Use remove_path from dir.c instead of own implementation
Add remove_path: a function to remove as much as possible of a path
git-submodule: Fix "Unable to checkout" for the initial 'update'
Clarify how the user can satisfy stash's 'dirty state' check.
t4018-diff-funcname: test syntax of builtin xfuncname patterns
t4018-diff-funcname: test syntax of builtin xfuncname patterns
make "git remote" report multiple URLs
diff hunk pattern: fix misconverted "\{" tex macro introducers
diff: fix "multiple regexp" semantics to find hunk header comment
diff: use extended regexp to find hunk headers
diff: use extended regexp to find hunk headers
diff.*.xfuncname which uses "extended" regex's for hunk header selection
diff.c: associate a flag with each pattern and use it for compiling regex
diff.c: return pattern entry pointer rather than just the hunk header pattern
Conflicts:
builtin-merge-recursive.c
t/t7201-co.sh
xdiff-interface.h
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Besides, it fixes a memleak (builtin-rm.c) and accidental change of
the input const argument (builtin-merge-recursive.c).
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This allows --include=pathspec, similar to --exclude=pathspec.
The rule when one or both of these are used is that the include/exclude
patterns are examined in the order they are given on the command line, and
the first match determines if a patch to each path is used or not. Hence:
$ git apply --include='specific.h' --exclude='*.h' <diff
would apply the patch to specific.h header file, but all other patches in
the input file to other header files are ignored. A patch to a path that
does not match any include/exclude pattern is used by default if there is
no include pattern on the command line, and ignored if there is any
include pattern.
This originally came from Joe Perches, but both the design of the
semantics and the implementation have been redone complately.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ho/dashless:
tests: use "git xyzzy" form (t7200 - t9001)
tests: use "git xyzzy" form (t7000 - t7199)
tests: use "git xyzzy" form (t3600 - t6999)
tests: use "git xyzzy" form (t0000 - t3599)
'git foo' program identifies itself without dash in die() messages
Start conforming code to "git subcmd" style
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This is a mechanical conversion of all '*.c' files with:
s/((?:die|error|warning)\("git)-(\S+:)/$1 $2/;
The result was manually inspected and no false positive was found.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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