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If you run "git log --grep=foo", we will run your regex on
the literal bytes of the commit message. This can provide
confusing results if the commit message is not in the same
encoding as your grep expression (or worse, you have commits
in multiple encodings, in which case your regex would need
to be written to match either encoding). On top of this, we
might also be grepping in the commit's notes, which are
already re-encoded, potentially leading to grepping in a
buffer with mixed encodings concatenated. This is insanity,
but most people never noticed, because their terminal and
their commit encodings all match.
Instead, let's massage the to-be-grepped commit into a
standardized encoding. There is not much point in adding a
flag for "this is the encoding I expect my grep pattern to
match"; the only sane choice is for it to use the log output
encoding. That is presumably what the user's terminal is
using, and it means that the patterns found by the grep will
match the output produced by git.
As a bonus, this fixes a potential segfault in commit_match
when commit->buffer is NULL, as we now build on logmsg_reencode,
which handles reading the commit buffer from disk if
necessary. The segfault can be triggered with:
git commit -m 'text1' --allow-empty
git commit -m 'text2' --allow-empty
git log --graph --no-walk --grep 'text2'
which arguably does not make any sense (--graph inherently
wants a connected history, and by --no-walk the command line
is telling us to show discrete points in history without
connectivity), and we probably should forbid the
combination, but that is a separate issue.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Usually a commit that makes it to logmsg_reencode will have
been parsed, and the commit->buffer struct member will be
valid. However, some code paths will free commit buffers
after having used them (for example, the log traversal
machinery will do so to keep memory usage down).
Most of the time this is fine; log should only show a commit
once, and then exits. However, there are some code paths
where this does not work. At least two are known:
1. A commit may be shown as part of a regular ref, and
then it may be shown again as part of a submodule diff
(e.g., if a repo contains refs to both the superproject
and subproject).
2. A notes-cache commit may be shown during "log --all",
and then later used to access a textconv cache during a
diff.
Lazily loading in logmsg_reencode does not necessarily catch
all such cases, but it should catch most of them. Users of
the commit buffer tend to be either parsing for structure
(in which they will call parse_commit, and either we will
already have parsed, or we will load commit->buffer lazily
there), or outputting (either to the user, or fetching a
part of the commit message via format_commit_message). In
the latter case, we should always be using logmsg_reencode
anyway (and typically we do so via the pretty-print
machinery).
If there are any cases that this misses, we can fix them up
to use logmsg_reencode (or handle them on a case-by-case
basis if that is inappropriate).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The logmsg_reencode function will return the reencoded
commit buffer, or NULL if reencoding failed or no reencoding
was necessary. Since every caller then ends up checking for NULL
and just using the commit's original buffer, anyway, we can
be a bit more helpful and just return that buffer when we
would have returned NULL.
Since the resulting string may or may not need to be freed,
we introduce a logmsg_free, which checks whether the buffer
came from the commit object or not (callers either
implemented the same check already, or kept two separate
pointers, one to mark the buffer to be used, and one for the
to-be-freed string).
Pushing this logic into logmsg_* simplifies the callers, and
will let future patches lazily load the commit buffer in a
single place.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When git-commit is asked to reuse a commit message via "-c",
we call read_commit_message, which looks up the commit and
hands back either the re-encoded result, or a copy of the
original. We make a copy in the latter case so that the
ownership semantics of the return value are clear (in either
case, it can be freed).
However, since we return a "const char *", and since the
resulting buffer's lifetime is the same as that of the whole
program, we never bother to free it at all.
Let's just drop the copy. That saves us a copy in the common
case. While it does mean we leak in the re-encode case, it
doesn't matter, since we are relying on program exit to free
the memory anyway.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'for-junio' of git://bogomips.org/git-svn:
git-svn: Simplify calculation of GIT_DIR
git-svn: cleanup sprintf usage for uppercasing hex
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replace our use of fnmatch(3) with a more feature-rich wildmatch.
A handful patches at the bottom have been moved to nd/wildmatch to
graduate as part of that branch, before this series solidifies.
We may want to mark USE_WILDMATCH as an experimental curiosity a
bit more clearly (i.e. should not be enabled in production
environment, because it will make the behaviour between builds
unpredictable).
* nd/retire-fnmatch:
Makefile: add USE_WILDMATCH to use wildmatch as fnmatch
wildmatch: advance faster in <asterisk> + <literal> patterns
wildmatch: make a special case for "*/" with FNM_PATHNAME
test-wildmatch: add "perf" command to compare wildmatch and fnmatch
wildmatch: support "no FNM_PATHNAME" mode
wildmatch: make dowild() take arbitrary flags
wildmatch: rename constants and update prototype
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Describe tools for automation that were invented since this
document was originally written.
* jc/doc-maintainer:
howto/maintain: document "### match next" convention in jch/pu branch
howto/maintain: mark titles for asciidoc
Documentation: update "howto maintain git"
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since git-rev-parse already checks for the $GIT_DIR environment
variable and that it returns an actual git repository, there is no
need to repeat the checks again here.
This also fixes a problem where git-svn did not work in cases where
.git was a file with a gitdir: link.
[ew: squashed test case,
delay setting GIT_DIR until after `git rev-parse --cdup` to fix t9101,
(thanks to Junio)]
Signed-off-by: Barry Wardell <barry.wardell@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We do not need to call uc() separately for sprintf("%x")
as sprintf("%X") is available.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
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Add an extra hook so that "git push" that is run without making
sure what is being pushed is sane can be checked and rejected (as
opposed to the user deciding not pushing).
* as/pre-push-hook:
Add sample pre-push hook script
push: Add support for pre-push hooks
hooks: Add function to check if a hook exists
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* ch/add-auto-submitted-in-sample-post-receive-email:
Add Auto-Submitted header to post-receive-email
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Add a new command "git check-ignore" for debugging .gitignore
files.
The variable names may want to get cleaned up but that can be done
in-tree.
* as/check-ignore:
clean.c, ls-files.c: respect encapsulation of exclude_list_groups
t0008: avoid brace expansion
add git-check-ignore sub-command
setup.c: document get_pathspec()
add.c: extract new die_if_path_beyond_symlink() for reuse
add.c: extract check_path_for_gitlink() from treat_gitlinks() for reuse
pathspec.c: rename newly public functions for clarity
add.c: move pathspec matchers into new pathspec.c for reuse
add.c: remove unused argument from validate_pathspec()
dir.c: improve docs for match_pathspec() and match_pathspec_depth()
dir.c: provide clear_directory() for reclaiming dir_struct memory
dir.c: keep track of where patterns came from
dir.c: use a single struct exclude_list per source of excludes
Conflicts:
builtin/ls-files.c
dir.c
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* rs/clarify-entry-cmp-sslice:
refs: use strncmp() instead of strlen() and memcmp()
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* jk/suppress-clang-warning:
fix clang -Wunused-value warnings for error functions
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Regression fix to stop "git push" complaining "target ref already
exists", when it is not the real reason the command rejected the
request (e.g. non-fast-forward).
* cr/push-force-tag-update:
push: fix "refs/tags/ hierarchy cannot be updated without --force"
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Remove a lot of unused code from "git imap-send".
* mh/imap-send-shrinkage:
imap-send.c: simplify logic in lf_to_crlf()
imap-send.c: fold struct store into struct imap_store
imap-send.c: remove unused field imap_store::uidvalidity
imap-send.c: use struct imap_store instead of struct store
imap-send.c: remove unused field imap_store::trashnc
imap-send.c: remove namespace fields from struct imap
imap-send.c: remove struct imap argument to parse_imap_list_l()
imap-send.c: inline parse_imap_list() in parse_list()
imap-send.c: remove some unused fields from struct store
imap-send.c: remove struct message
imap-send.c: remove struct store_conf
iamp-send.c: remove unused struct imap_store_conf
imap-send.c: remove struct msg_data
imap-send.c: remove msg_data::flags, which was always zero
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Various git-cvsserver updates.
* mo/cvs-server-updates:
t9402: Use TABs for indentation
t9402: Rename check.cvsCount and check.list
t9402: Simplify git ls-tree
t9402: Add missing &&; Code style
t9402: No space after IO-redirection
t9402: Dont use test_must_fail cvs
t9402: improve check_end_tree() and check_end_full_tree()
t9402: sed -i is not portable
cvsserver Documentation: new cvs ... -r support
cvsserver: add t9402 to test branch and tag refs
cvsserver: support -r and sticky tags for most operations
cvsserver: Add version awareness to argsfromdir
cvsserver: generalize getmeta() to recognize commit refs
cvsserver: implement req_Sticky and related utilities
cvsserver: add misc commit lookup, file meta data, and file listing functions
cvsserver: define a tag name character escape mechanism
cvsserver: cleanup extra slashes in filename arguments
cvsserver: factor out git-log parsing logic
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* 'jc/makefile-perl-python-path-doc':
Makefile: add description on PERL/PYTHON_PATH
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* git://ozlabs.org/~paulus/gitk:
gitk: Display important heads even when there are many
gitk: Improve display of list of nearby tags and heads
gitk: Fix display of branch names on some commits
gitk: Update Swedish translation (296t)
gitk: When searching, only highlight files when in Patch mode
gitk: Fix error message when clicking on a connecting line
gitk: Fix crash when not using themed widgets
gitk: Use bindshiftfunctionkey to bind Shift-F5
gitk: Refactor code for binding modified function keys
gitk: Work around empty back and forward images when buttons are disabled
gitk: Highlight first search result immediately on incremental search
gitk: Highlight current search hit in orange
gitk: Synchronize highlighting in file view when scrolling diff
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* jc/merge-blobs:
Makefile: Replace merge-file.h with merge-blobs.h in LIB_H
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Commit fa2364ec ("Which merge_file() function do you mean?", 06-12-2012)
renamed the files merge-file.[ch] to merge-blobs.[ch], but forgot to
rename the header file in the definition of the LIB_H macro.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
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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Various 'reset' optimizations and clean-ups, followed by a change
to allow "git reset" to work even on an unborn branch.
* mz/reset-misc:
reset: update documentation to require only tree-ish with paths
reset [--mixed]: use diff-based reset whether or not pathspec was given
reset: allow reset on unborn branch
reset $sha1 $pathspec: require $sha1 only to be treeish
reset.c: inline update_index_refresh()
reset.c: finish entire cmd_reset() whether or not pathspec is given
reset [--mixed]: only write index file once
reset.c: move lock, write and commit out of update_index_refresh()
reset.c: move update_index_refresh() call out of read_from_tree()
reset.c: replace switch by if-else
reset: avoid redundant error message
reset --keep: only write index file once
reset.c: share call to die_if_unmerged_cache()
reset.c: extract function for updating {ORIG_,}HEAD
reset.c: remove unnecessary variable 'i'
reset.c: extract function for parsing arguments
reset: don't allow "git reset -- $pathspec" in bare repo
reset.c: pass pathspec around instead of (prefix, argv) pair
reset $pathspec: exit with code 0 if successful
reset $pathspec: no need to discard index
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Fix performance regression introduced by an earlier change to let
attributes apply to directories.
Needs to be merged to maint, as 94bc671a was merged there already.
* nd/fix-directory-attrs-off-by-one:
attr: avoid calling find_basename() twice per path
attr: fix off-by-one directory component length calculation
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Fix "git p4" around branch handling.
* pw/p4-branch-fixes:
git p4: fix submit when no master branch
git p4 test: keep P4CLIENT changes inside subshells
git p4: fix sync --branch when no master branch
git p4: fail gracefully on sync with no master branch
git p4: rearrange self.initialParent use
git p4: allow short ref names to --branch
git p4 doc: fix branch detection example
git p4: clone --branch should checkout master
git p4: verify expected refs in clone --bare test
git p4: create p4/HEAD on initial clone
git p4: inline listExistingP4GitBranches
git p4: add comments to p4BranchesInGit
git p4: rearrange and simplify hasOrigin handling
git p4: test sync/clone --branch behavior
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Update to the Hg remote helper (in contrib/).
* mh/remote-hg-mode-bits-fix:
remote-hg: fix handling of file perms when pushing
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Update to the Hg remote helper (in contrib/).
* fc/remote-hg-fixup-url:
remote-hg: store converted URL
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"git clean" states what it is going to remove and then goes on to
remove it, but sometimes it only discovers things that cannot be
removed after recursing into a directory, which makes the output
confusing and even wrong.
* zk/clean-report-failure:
git-clean: Display more accurate delete messages
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An earlier change to add --keep-empty option broke "git rebase
--preserve-merges" and lost merge commits that end up being the
same as its parent.
* ph/rebase-preserve-all-merges:
rebase --preserve-merges: keep all merge commits including empty ones
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Forbid a useless combination of options to "git clone".
* nd/clone-no-separate-git-dir-with-bare:
clone: forbid --bare --separate-git-dir <dir>
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* maint:
git-for-each-ref.txt: 'raw' is a supported date format
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Commit 7dff9b3 (Support 'raw' date format) added a raw date format.
Update the git-for-each-ref documentation to include this.
Signed-off-by: John Keeping <john@keeping.me.uk>
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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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When users spell "cc:" in lowercase in the fake "header" in the
trailer part, "git send-email" failed to pick up the addresses from
there. As e-mail headers field names are case insensitive, this
script should follow suit and treat "cc:" and "Cc:" the same way.
* nz/send-email-headers-are-case-insensitive:
git-send-email: treat field names as case-insensitively
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"git archive" did not record uncompressed size in the header when
streaming a zip archive, which confused some implementations of
unzip.
* rs/zip-with-uncompressed-size-in-the-header:
archive-zip: write uncompressed size into header even with streaming
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* rs/zip-tests:
t5003: check if unzip supports symlinks
t5000, t5003: move ZIP tests into their own script
t0024, t5000: use test_lazy_prereq for UNZIP
t0024, t5000: clear variable UNZIP, use GIT_UNZIP instead
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* git://git.bogomips.org/git-svn:
git-svn: do not escape certain characters in paths
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Add a configuration variable to set default clean-up mode other
than "strip".
* rt/commit-cleanup-config:
commit: make default of "cleanup" option configurable
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Teach commands in the "log" family to optionally pay attention to
the mailmap.
* ap/log-mailmap:
log --use-mailmap: optimize for cases without --author/--committer search
log: add log.mailmap configuration option
log: grep author/committer using mailmap
test: add test for --use-mailmap option
log: add --use-mailmap option
pretty: use mailmap to display username and email
mailmap: add mailmap structure to rev_info and pp
mailmap: simplify map_user() interface
mailmap: remove email copy and length limitation
Use split_ident_line to parse author and committer
string-list: allow case-insensitive string list
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Subversion 1.7 and newer implement HTTPv2, an extension that should make HTTP
more efficient. Servers with support for this protocol will make the subversion
client library take an alternative code path that checks (with assertions)
whether the URL is "canonical" or not.
This patch fixes an issue I encountered while trying to `git svn dcommit` a
rename action for a file containing a single quote character ("User's Manual"
to "UserMan.tex"). It does not happen for older subversion 1.6 servers nor
non-HTTP(S) protocols such as the native svn protocol, only on an Apache server
shipping SVN 1.7. Trying to `git svn dcommit` under the aforementioned
conditions yields the following error which aborts the commit process:
Committing to http://example.com/svn ...
perl: subversion/libsvn_subr/dirent_uri.c:1520: uri_skip_ancestor:
Assertion `svn_uri_is_canonical(child_uri, ((void *)0))' failed.
error: git-svn died of signal 6
An analysis of the subversion source for the cause:
- The assertion originates from uri_skip_ancestor which calls
svn_uri_is_canonical, which fails when the URL contains percent-encoded values
that do not necessarily have to be encoded (not "canonical" enough). This is
done by a table lookup in libsvn_subr/path.c. Putting some debugging prints
revealed that the character ' is indeed encoded to %27 which is not
considered canonical.
- url_skip_ancestor is called by svn_ra_neon__get_baseline_info with the root
repository URL and path as parameters;
- which is called by copy_resource (libsvn_ra_neon/commit.c) for a copy action
(or in my case, renaming which is actually copy + delete old);
- which is called by commit_add_dir;
- which is assigned as a structure method "add_file" in
svn_ra_neon__get_commit_editor.
In the whole path, the path argument is not modified.
Through some more uninteresting wrapper functions, the Perl bindings gives you
access to the add_file method which will pass the path argument without
modifications to svn.
git-svn calls the "R"(ename) subroutine in Git::SVN::Editor which contains:
326 my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
327 $self->url_path($m->{file_a}), $self->{r});
"repo_path" basically returns the path as-is, unless the "svn.pathnameencoding"
configuration property is set. "url_path" tries to escape some special
characters, but does not take all special characters into account, thereby
causing the path to contain some escaped characters which do not have to be
escaped.
The list of characters not to be escaped are taken from the
subversion/libsvn_subr/path.c file to fully account for all characters. Tested
with a filename containing all characters in the range 0x20 to 0x78 (inclusive).
Signed-off-by: Peter Wu <lekensteyn@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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* git://bogomips.org/git-svn:
git-svn: teach find-rev to find near matches
git svn: do not overescape URLs (fallback case)
Git::SVN::Editor::T: pass $deletions to ->A and ->D
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add missing doc.
* ss/help-htmlpath-config-doc:
config.txt: Document help.htmlpath config parameter
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Allow GIT_PERF_* environment variables to be passed through the
test framework.
* nd/fix-perf-parameters-in-tests:
test-lib.sh: unfilter GIT_PERF_*
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Fix debugging support that was broken in earlier change.
* nd/attr-debug-fix:
attr: make it build with DEBUG_ATTR again
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* rs/pretty-use-prefixcmp:
pretty: use prefixcmp instead of memcmp on NUL-terminated strings
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Jeff King
Junio C Hamano
Barry Wardell
Eric Wong
Ramsay Jones
John Keeping
Peter Wu