Junio C Hamano [Thu, 28 Aug 2008 08:10:04 +0000 (01:10 -0700)]
xdiff-merge: optionally show conflicts in "diff3 -m" style
When showing conflicting merges, we traditionally followed RCS's merge
output format. The output shows:
<<<<<<<
postimage from one side;
=======
postimage of the other side; and
>>>>>>>
Some poeple find it easier to be able to understand what is going on when
they can view the common ancestor's version, which is used by "diff3 -m",
which shows:
<<<<<<<
postimage from one side;
|||||||
shared preimage;
=======
postimage of the other side; and
>>>>>>>
This is an initial step to bring that as an optional feature to git.
Only "git merge-file" has been converted, with "--diff3" option.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Thu, 28 Aug 2008 08:04:00 +0000 (01:04 -0700)]
xdl_fill_merge_buffer(): separate out a too deeply nested function
This simply moves code around to make a separate function that prepares
a single conflicted hunk with markers into the buffer.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Paolo Ciarrocchi [Thu, 28 Aug 2008 12:23:52 +0000 (14:23 +0200)]
tutorial: gentler illustration of Alice/Bob workflow using gitk
Update to gitutorial as discussedin the git mailing list:
http://marc.info/?t=
121969390900002&r=1&w=2
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Fri, 29 Aug 2008 00:54:59 +0000 (20:54 -0400)]
pretty=format: respect date format options
When running a command like:
git log --pretty=format:%ad --date=short
the date option was ignored. This patch causes it to use whatever
format was specified by --date (or by --relative-date, etc), just
as the non-user formats would do.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Paolo Bonzini [Wed, 27 Aug 2008 15:20:35 +0000 (17:20 +0200)]
make git-shell paranoid about closed stdin/stdout/stderr
It is in general unsafe to start a program with one or more of file
descriptors 0/1/2 closed. Karl Chen for example noticed that stat_command
does this in order to rename a pipe file descriptor to 0:
dup2(from, 0);
close(from);
... but if stdin was closed (for example) from == 0, so that
dup2(0, 0);
close(0);
just ends up closing the pipe. Another extremely rare but nasty problem
would occur if an "important" file ends up in file descriptor 2, and is
corrupted by a call to die().
Fixing this in git was considered to be overkill, so this patch works
around it only for git-shell. The fix is simply to open all the "low"
descriptors to /dev/null in main.
Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Acked-by: Stephen R. van den Berg <srb@cuci.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Yann Dirson [Thu, 28 Aug 2008 22:00:28 +0000 (00:00 +0200)]
Document gitk --argscmd flag.
This was part of my original patch, but appears to have been lost.
Signed-off-by: Yann Dirson <ydirson@altern.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Linus Torvalds [Thu, 28 Aug 2008 23:19:08 +0000 (16:19 -0700)]
Fix '--dirstat' with cross-directory renaming
The dirstat code depends on the fact that we always generate diffs with
the names sorted, since it then just does a single-pass walk-over of the
sorted list of names and how many changes there were. The sorting means
that all files are nicely grouped by directory.
That all works fine.
Except when we have rename detection, and suddenly the nicely sorted list
of pathnames isn't all that sorted at all. And now the single-pass dirstat
walk gets all confused, and you can get results like this:
[torvalds@nehalem linux]$ git diff --dirstat=2 -M v2.6.27-rc4..v2.6.27-rc5
3.0% arch/powerpc/configs/
6.8% arch/arm/configs/
2.7% arch/powerpc/configs/
4.2% arch/arm/configs/
5.6% arch/powerpc/configs/
8.4% arch/arm/configs/
5.5% arch/powerpc/configs/
23.3% arch/arm/configs/
8.6% arch/powerpc/configs/
4.0% arch/
4.4% drivers/usb/musb/
4.0% drivers/watchdog/
7.6% drivers/
3.5% fs/
The trivial fix is to add a sorting pass, fixing it to:
[torvalds@nehalem linux]$ git diff --dirstat=2 -M v2.6.27-rc4..v2.6.27-rc5
43.0% arch/arm/configs/
25.5% arch/powerpc/configs/
5.3% arch/
4.4% drivers/usb/musb/
4.0% drivers/watchdog/
7.6% drivers/
3.5% fs/
Spot the difference. In case anybody wonders: it's because of a ton of
renames from {include/asm-blackfin => arch/blackfin/include/asm} that just
totally messed up the file ordering in between arch/arm and arch/powerpc.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Björn Steinbrink [Thu, 28 Aug 2008 02:14:02 +0000 (04:14 +0200)]
for-each-ref: Allow a trailing slash in the patterns
More often than not, I end up using something like refs/remotes/ as the
pattern for for-each-ref, but that doesn't work, because it expects to see
the slash in the ref name right after the matched pattern. So teach it to
accept the slash as the final character in the pattern as well.
Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 27 Aug 2008 23:14:22 +0000 (16:14 -0700)]
ctype.c: protect tiny C preprocessor constants
Some platforms contaminate the preprocessor token namespace with their own
definition of SS without being asked. Avoid getting hit by redefinition
warning messages by explicitly undef SS, AA and DD shorthand we use in this
table definition.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Linus Torvalds [Wed, 27 Aug 2008 19:48:00 +0000 (12:48 -0700)]
index-pack: be careful after fixing up the header/footer
The index-pack command, when processing a thin pack, fixed up the pack
after-the-fact. It forgets to fsync the result, because it only did that
in one path rather in all cases of fixup.
This moves the fsync_or_die() to the fix-up routine itself, rather than
doing it in one of the callers, so that all cases are covered.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Nguyễn Thái Ngọc Duy [Tue, 26 Aug 2008 14:32:42 +0000 (21:32 +0700)]
index-pack: setup git repository
"git index-pack" is an independent command and does not setup git
repository while still need pack.indexversion. It may miss the
info if it is in a subdirectory of the repository.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Ramsay Jones [Tue, 26 Aug 2008 17:52:57 +0000 (18:52 +0100)]
Suppress some bash redirection error messages
In particular, when testing if the filesystem allows tabs in
filenames, bash issues an error something like:
./t4016-diff-quote.sh: pathname with HT: No such file or directory
which is caused by the failure of the (stdout) redirection,
since the file cannot be created. In order to suppress the
error message, you must redirect stderr to /dev/null, *before*
the stdout redirection on the command-line.
Also, remove a redundant filesystem check from the begining of
the t3902-quoted.sh test and standardise the "test skipped"
message to 'say' on exit.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Ramsay Jones [Tue, 26 Aug 2008 17:50:37 +0000 (18:50 +0100)]
Fix a warning (on cygwin) to allow -Werror
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Mon, 25 Aug 2008 06:15:05 +0000 (02:15 -0400)]
Fix "git log -i --grep"
This has been broken in v1.6.0 due to the reorganization of
the revision option parsing code. The "-i" is completely
ignored, but works fine in "git log --grep -i".
What happens is that the code for "-i" looks for
revs->grep_filter; if it is NULL, we do nothing, since there
are no grep filters. But that is obviously not correct,
since we want it to influence the later --grep option. Doing
it the other way around works, since "-i" just impacts the
existing grep_filter option.
Instead, we now always initialize the grep_filter member and
just fill in options and patterns as we get them. This means
that we can no longer check grep_filter for NULL, but
instead must check the pattern list to see if we have any
actual patterns.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sun, 24 Aug 2008 21:47:24 +0000 (14:47 -0700)]
GIT 1.6.0.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sun, 24 Aug 2008 21:32:18 +0000 (14:32 -0700)]
Merge branch 'ag/maint-combine-diff-fix' into maint
* ag/maint-combine-diff-fix:
Respect core.autocrlf in combined diff
Junio C Hamano [Sun, 24 Aug 2008 21:29:37 +0000 (14:29 -0700)]
Merge branch 'mv/maint-merge-fix' into maint
* mv/maint-merge-fix:
merge: fix numerus bugs around "trivial merge" area
Jonathan Nieder [Sun, 24 Aug 2008 05:28:32 +0000 (00:28 -0500)]
Documentation: clarify pager configuration
The unwary user may not know how to disable the -FRSX options.
Signed-off-by: Jonathan Nieder <jrnieder@uchicago.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jonathan Nieder [Sun, 24 Aug 2008 05:38:06 +0000 (00:38 -0500)]
Documentation: clarify pager.<cmd> configuration
It was not obvious from the text that pager.<cmd> is a boolean
setting.
While we're changing the description, make some other
improvements: lest we forget and fret, clarify that -p and
pager.<cmd> do not kick in when stdout is not a tty; point to
related core.pager and GIT_PAGER settings; use renamed --paginate
option.
Signed-off-by: Jonathan Nieder <jrnieder@uchicago.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Simon Hausmann [Sun, 24 Aug 2008 14:12:23 +0000 (16:12 +0200)]
Clean up the git-p4 documentation
This patch massages the documentation a bit for improved readability and cleans
it up from outdated options/commands.
Signed-off-by: Simon Hausmann <simon@lst.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Alexander Gavrilov [Sat, 23 Aug 2008 19:21:21 +0000 (23:21 +0400)]
Respect core.autocrlf in combined diff
Fix git-diff to make it produce useful 3-way diffs for merge conflicts in
repositories with autocrlf enabled. Otherwise it always reports that the
whole file was changed, because it uses the contents from the working tree
without necessary conversion.
Signed-off-by: Alexander Gavrilov <angavrilov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Miklos Vajna [Sat, 23 Aug 2008 22:07:55 +0000 (00:07 +0200)]
Makefile: enable SNPRINTF_RETURNS_BOGUS for HP-UX
In
81cc66a, customization has been added to Makefile for supporting
HP-UX, but git commit is still problematic. This should fix the issue.
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Acked-by: Robert Schiele <rschiele@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sat, 23 Aug 2008 19:56:57 +0000 (12:56 -0700)]
merge: fix numerus bugs around "trivial merge" area
The "trivial merge" codepath wants to optimize itself by making an
internal call to the read-tree machinery, but it does not read the index
before doing so, and the codepath is never exercised. Incidentally, this
failure to read the index upfront means that the safety to refuse doing
anything when the index is unmerged does not kick in, either.
These two problem are fixed by using read_cache_unmerged() that does read
the index before checking if it is unmerged at the beginning of
cmd_merge().
The primary logic of the merge, however, assumes that the process never
reads the index in-core, and the call to write_cache_as_tree() it makes
from write_tree_trivial() will always read from the on-disk index that is
prepared the strategy back-ends. This assumption is now broken by the
above fix. To fix this issue, we now call discard_cache() before calling
write_tree_trivial() when it wants to write the on-disk index as a tree.
When multiple strategies are tried, their results are evaluated by reading
the resulting index and inspecting it. The codepath needs to make a call
to read_cache() for each successful strategy, and for that to work, they
need to discard_cache() the one read by the previous round.
Also the "trivial merge" forgot that the current commit is one of the
parents of the resulting commit.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sat, 23 Aug 2008 19:57:30 +0000 (12:57 -0700)]
unpack_trees(): protect the handcrafted in-core index from read_cache()
unpack_trees() rebuilds the in-core index from scratch by allocating a new
structure and finishing it off by copying the built one to the final
index.
The resulting in-core index is Ok for most use, but read_cache() does not
recognize it as such. The function is meant to be no-op if you already
have loaded the index, until you call discard_cache().
This change the way read_cache() detects an already initialized in-core
index, by introducing an extra bit, and marks the handcrafted in-core
index as initialized, to avoid this problem.
A better fix in the longer term would be to change the read_cache() API so
that it will always discard and re-read from the on-disk index to avoid
confusion. But there are higher level API that have relied on the current
semantics, and they and their users all need to get converted, which is
outside the scope of 'maint' track.
An example of such a higher level API is write_cache_as_tree(), which is
used by git-write-tree as well as later Porcelains like git-merge, revert
and cherry-pick. In the longer term, we should remove read_cache() from
there and add one to cmd_write_tree(); other callers expect that the
in-core index they prepared is what gets written as a tree so no other
change is necessary for this particular codepath.
The original version of this patch marked the index by pointing an
otherwise wasted malloc'ed memory with o->result.alloc, but this version
uses Linus's idea to use a new "initialized" bit, which is conceptually
much cleaner.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Tor Arvid Lund [Thu, 21 Aug 2008 21:11:40 +0000 (23:11 +0200)]
git-p4: Fix one-liner in p4_write_pipe function.
The function built a p4 command string via the p4_build_cmd function, but
ignored the result.
Signed-off-by: Tor Arvid Lund <torarvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Eric Raible [Fri, 22 Aug 2008 17:25:06 +0000 (10:25 -0700)]
Completion: add missing '=' for 'diff --diff-filter'
Signed-off-by: Eric Raible <raible@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Miklos Vajna [Thu, 21 Aug 2008 14:21:48 +0000 (16:21 +0200)]
Fix 'git help help'
git help foo invokes man git-foo if foo is a git command, otherwise it
invokes man gitfoo. 'help' is not a git command, but the manual page is
called git-help, so add this special exception.
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Acked-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Brandon Casey [Thu, 21 Aug 2008 01:53:50 +0000 (20:53 -0500)]
compat/snprintf.c: handle snprintf's that always return the # chars transmitted
Some platforms provide a horribly broken snprintf. More broken than the
platforms that return -1 when there is too little space in the target buffer
for the formatted string. Some platforms provide an snprintf which _always_
returns the number of characters transmitted to the buffer, regardless of
whether there was enough space or not.
IRIX 6.5 is such a platform. IRIX does have a working snprintf(), but it
is only provided when _NO_XOPEN5 evaluates to zero, and this only happens
if _XOPEN_SOURCE is defined, but definition of _XOPEN_SOURCE prevents
inclusion of many other common functions and defines. So it must be avoided.
Work around these horribly broken snprintf implementations by detecting an
snprintf call which results in the number of transmitted characters exactly
equal to the length of our buffer and retrying with a larger buffer just to
be safe.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Acked-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Eric Wong [Wed, 20 Aug 2008 07:30:06 +0000 (00:30 -0700)]
git-svn: fix dcommit to urls with embedded usernames
Don't rely on the extracted URL from working_head_info since that has the
username removed. Instead use the $gs->full_url method (as before with
ba24e74 (git-svn: add ability to specify --commit-url for dcommit,
2008-08-07)) to give us the URL to commit to if --commit-url is not
specified.
Aditionally, since we clean usernames from URLs, checking the URL after
rebase can fail because it doesn't match the URL we used to commit; so
unconditionally provide a username-free URL for checking the result of the
refetch.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Brandon Casey [Thu, 21 Aug 2008 00:34:30 +0000 (19:34 -0500)]
revision.h: make show_early_output an extern which is defined in revision.c
The variable show_early_output is defined in revision.c and should be
declared extern in revision.h so that the linker does not complain
about multiply defined variables.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 20 Aug 2008 22:19:00 +0000 (15:19 -0700)]
Update draft release notes for 1.6.0.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Tarmigan Casebolt [Tue, 19 Aug 2008 19:50:31 +0000 (12:50 -0700)]
Add hints to revert documentation about other ways to undo changes
Based on its name, people may read the 'git revert' documentation when
they want to undo local changes, especially people who have used other
SCM's. 'git revert' may not be what they had in mind, but git
provides several other ways to undo changes to files. We can help
them by pointing them towards the git commands that do what they might
want to do.
Cc: Daniel Barkalow <barkalow@iabervon.org>
Cc: Lea Wiemann <lewiemann@gmail.com>
Signed-off-by: Tarmigan Casebolt <tarmigan+git@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Johannes Sixt [Wed, 20 Aug 2008 15:36:25 +0000 (17:36 +0200)]
Install templates with the user and group of the installing personality
If 'make install' was run with sufficient privileges, then the installed
templates, which are copied using 'tar', would receive the user and group
of whoever built git. This instructs 'tar' to ignore the user and group
that are recorded in the archive.
Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 20 Aug 2008 22:09:28 +0000 (15:09 -0700)]
"git-merge": allow fast-forwarding in a stat-dirty tree
We used to refresh the index to clear stat-dirtyness before a fast-forward
merge. Recent C rewrite forgot to do this.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 20 Aug 2008 21:13:42 +0000 (14:13 -0700)]
completion: find out supported merge strategies correctly
"git-merge" is a binary executable these days, and looking for assignment
to $all_strategies variable with grep/sed does not work well.
When asked for an unknown strategy, pre-1.6.0 and post-1.6.0 "git merge"
commands respectively say:
$ $HOME/git-snap-v1.5.6.5/bin/git merge -s help
available strategies are: recur recursive octopus resolve stupid ours subtree
$ $HOME/git-snap-v1.6.0/bin/git merge -s help
Could not find merge strategy 'help'.
Available strategies are: recursive octopus resolve ours subtree.
both on their standard error stream. We can use this to learn what
strategies are supported.
The sed script is written in such a way that it catches both old and new
message styles ("Available" vs "available", and the full stop at the end).
It also allows future versions of "git merge" to line-wrap the list of
strategies, and add extra comments, like this:
$ $HOME/git-snap-v1.6.1/bin/git merge -s help
Could not find merge strategy 'help'.
Available strategies are: blame recursive octopus resolve ours
subtree.
Also you have custom strategies: theirs
Make sure you spell strategy names correctly.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Wed, 20 Aug 2008 17:55:33 +0000 (13:55 -0400)]
decorate: allow const objects to be decorated
We don't actually modify the struct object, so there is no
reason not to accept const versions (and this allows other
callsites, like the next patch, to use the decoration
machinery).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 20 Aug 2008 19:29:27 +0000 (12:29 -0700)]
for-each-ref: cope with tags with incomplete lines
If you have a tag with a single, incomplete line as its payload, asking
git-for-each-ref for its %(body) element accessed a NULL pointer.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 20 Aug 2008 18:47:55 +0000 (11:47 -0700)]
diff --check: do not get confused by new blank lines in the middle
The code remembered that the last diff output it saw was an empty line,
and tried to reset that state whenever it sees a context line, a non-blank
new line, or a new hunk. However, this codepath asks the underlying diff
engine to feed diff without any context, and the "just saw an empty line"
state was not reset if you added a new blank line in the last hunk of your
patch, even if it is not the last line of the file.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jim Meyering [Tue, 19 Aug 2008 18:46:30 +0000 (20:46 +0200)]
remote.c: remove useless if-before-free test
We removed a handful of these useless if-before-free tests several months
ago. This change removes a new one that snuck back in.
Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King [Tue, 19 Aug 2008 17:28:24 +0000 (13:28 -0400)]
mailinfo: avoid violating strbuf assertion
In handle_from, we calculate the end boundary of a section
to remove from a strbuf using strcspn like this:
el = strcspn(buf, set_of_end_boundaries);
strbuf_remove(&sb, start, el + 1);
This works fine if "el" is the offset of the boundary
character, meaning we remove up to and including that
character. But if the end boundary didn't match (that is, we
hit the end of the string as the boundary instead) then we
want just "el". Asking for "el+1" caught an out-of-bounds
assertion in the strbuf library.
This manifested itself when we got a 'From' header that had
just an email address with nothing else in it (the end of
the string was the end of the address, rather than, e.g., a
trailing '>' character), causing git-mailinfo to barf.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jim Meyering [Tue, 19 Aug 2008 18:42:04 +0000 (20:42 +0200)]
git format-patch: avoid underrun when format.headers is empty or all NLs
* builtin-log.c (add_header): Avoid a buffer underrun when
format.headers is empty or all newlines. Reproduce with this:
git config format.headers '' && git format-patch -1
Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Brandon Casey [Mon, 18 Aug 2008 23:17:53 +0000 (18:17 -0500)]
t1002-read-tree-m-u-2way.sh: use 'git diff -U0' rather than 'diff -U0'
Some old platforms have an old diff which doesn't have the -U option.
'git diff' can be used in its place. Adjust the comparison function to
strip git's additional header lines to make this possible.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Robert Schiele [Mon, 18 Aug 2008 14:17:04 +0000 (16:17 +0200)]
adapt git-cvsserver manpage to dash-free syntax
Signed-off-by: Robert Schiele <rschiele@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Don Zickus [Thu, 14 Aug 2008 15:35:42 +0000 (11:35 -0400)]
mailinfo: re-fix MIME multipart boundary parsing
Recent changes to is_multipart_boundary() caused git-mailinfo to segfault.
The reason was after handling the end of the boundary the code tried to look
for another boundary. Because the boundary list was empty, dereferencing
the pointer to the top of the boundary caused the program to go boom.
The fix is to check to see if the list is empty and if so go on its merry
way instead of looking for another boundary.
I also fixed a couple of increments and decrements that didn't look correct
relating to content_top.
The boundary test case was updated to catch future problems like this again.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sun, 17 Aug 2008 22:44:11 +0000 (15:44 -0700)]
Start 1.6.0.X maintenance series
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sun, 17 Aug 2008 18:42:10 +0000 (11:42 -0700)]
GIT 1.6.0
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sun, 17 Aug 2008 18:40:56 +0000 (11:40 -0700)]
Merge git-gui 0.11.0
Junio C Hamano [Sun, 17 Aug 2008 17:53:57 +0000 (10:53 -0700)]
Merge branch 'ak/p4'
* ak/p4:
Utilise our new p4_read_pipe and p4_write_pipe wrappers
Add p4 read_pipe and write_pipe wrappers
Put in the two other configuration elements found in the source
Put some documentation in about the parameters that have been added
Move git-p4.syncFromOrigin into a configuration parameters section
Consistently use 'git-p4' for the configuration entries
If the user has configured various parameters, use them.
Switch to using 'p4_build_cmd'
If we are in verbose mode, output what we are about to run (or return)
Add a single command that will be used to construct the 'p4' command
Utilise the new 'p4_system' function.
Have a command that specifically invokes 'p4' (via system)
Utilise the new 'p4_read_pipe_lines' command
Create a specific version of the read_pipe_lines command for p4 invocations
Conflicts:
contrib/fast-import/git-p4
Robert Blum [Fri, 1 Aug 2008 19:50:03 +0000 (12:50 -0700)]
git-p4: chdir now properly sets PWD environment variable in msysGit
P4 on Windows expects the PWD environment variable to be set to the
current working dir, but os.chdir in python doesn't do so.
Signed-off-by: Robert Blum <rob.blum@gmail.com>
Acked-by: Simon Hausmann <simon@lst.de>
Acked-by: Han-Wen Nienhuys <hanwen@xs4all.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Stephan Beyer [Sun, 17 Aug 2008 04:25:43 +0000 (06:25 +0200)]
Improve error output of git-rebase
"git rebase" without arguments on initial startup showed:
fatal: Needed a single revision
invalid upstream
This patch makes it show the ordinary usage string.
If .git/rebase-merge or .git/rebase-apply/rebasing exists, git-rebase
will die with a message saying that a rebase is in progress and the user
should try --skip/--abort/--continue.
If .git/rebase-apply/applying exists, git-rebase will die with a message
saying that git-am is in progress, regardless how many arguments are
given.
If no arguments are given and .git/rebase-apply/ exists, but neither a
rebasing nor applying file is in that directory, git-rebase dies with a
message saying that rebase-apply exists and no arguments were given.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Miklos Vajna [Sat, 16 Aug 2008 15:17:42 +0000 (17:17 +0200)]
t9300: replace '!' with test_must_fail
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Sun, 17 Aug 2008 06:21:07 +0000 (23:21 -0700)]
Merge git://git.kernel.org/pub/scm/gitk/gitk
* git://git.kernel.org/pub/scm/gitk/gitk:
gitk: Allow safely calling nukefile from a run queue handler
Marcus Griep [Fri, 15 Aug 2008 19:53:59 +0000 (15:53 -0400)]
Git.pm: Make File::Spec and File::Temp requirement lazy
This will ensure that the API at large is accessible to nearly
all Perl versions, while only the temp file caching API is tied to
the File::Temp and File::Spec modules being available.
Signed-off-by: Marcus Griep <marcus@griep.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Miklos Vajna [Sat, 16 Aug 2008 02:14:33 +0000 (04:14 +0200)]
Documentation: document the pager.* configuration setting
It was already documented in RelNotes-1.6.0, but not in the git-config
manual page.
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Stephan Beyer [Sat, 16 Aug 2008 03:27:31 +0000 (05:27 +0200)]
git-stash: improve synopsis in help and manual page
"git stash -h" showed some incomplete and ugly usage information.
For example, the useful "--keep-index" option for "save" or the "--index"
option for "apply" were not shown. Also in the documentation synopsis they
were not shown, so that there is no incentive to scroll down and even see
that such options exist.
This patch improves the git-stash synopsis in the documentation by
mentioning that further options to the stash commands and then copies
this synopsis to the usage information string of git-stash.sh.
For the latter, the dashless git command string has to be inserted on the
second and the following usage lines. The code of this is taken from
git-sh-setup so that all lines will show the command string.
Note that the "create" command is not advertised at all now, because
it was not mentioned in git-stash.txt.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Eric Blake [Fri, 15 Aug 2008 15:01:03 +0000 (15:01 +0000)]
Makefile: building git in cygwin 1.7.0
On platforms with $X, make removes any leftover scripts 'a' from
earlier builds if a new binary 'a.exe' is now built. However, on
cygwin 1.7.0, 'git' and 'git.exe' now consistently name the same file.
Test for file equality before attempting a remove, in order to avoid
nuking just-built binaries.
Signed-off-by: Eric Blake <ebb9@byu.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Stephan Beyer [Fri, 8 Aug 2008 23:28:54 +0000 (01:28 +0200)]
git-am: ignore --binary option
The git-apply documentation says that --binary is a historical option.
This patch lets git-am ignore --binary and removes advertisements of this
option.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Marcus Griep [Fri, 15 Aug 2008 17:59:28 +0000 (13:59 -0400)]
bash-completion: Add non-command git help files to bash-completion
Git allows access to the gitattributes man page via `git help attributes`,
but this is not discoverable via the bash-completion mechanism. This
patch adds all current non-command man pages to the completion candidate
list.
Signed-off-by: Marcus Griep <marcus@griep.us>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Alex Riesen [Fri, 15 Aug 2008 07:32:30 +0000 (09:32 +0200)]
Fix t3700 on filesystems which do not support question marks in names
Use square brackets instead.
And the prominent example of the deficiency are, as usual, the filesystems
of Microsoft house.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Thu, 14 Aug 2008 22:40:39 +0000 (23:40 +0100)]
Utilise our new p4_read_pipe and p4_write_pipe wrappers
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Thu, 14 Aug 2008 22:40:38 +0000 (23:40 +0100)]
Add p4 read_pipe and write_pipe wrappers
Two additional wrappers to cover 3 places where we utilise p4 in piped
form. Found by Tor Arvid Lund.
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Lee Marlow [Thu, 14 Aug 2008 22:41:11 +0000 (16:41 -0600)]
bash completion: Add '--merge' long option for 'git log'
Signed-off-by: Lee Marlow <lee.marlow@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Lee Marlow [Thu, 14 Aug 2008 22:41:10 +0000 (16:41 -0600)]
bash completion: Add completion for 'git mergetool'
The --tool= long option to "git mergetool" can be completed with:
kdiff3 tkdiff meld xxdiff emerge
vimdiff gvimdiff ecmerge opendiff
Signed-off-by: Lee Marlow <lee.marlow@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Matt McCutchen [Thu, 14 Aug 2008 17:37:41 +0000 (13:37 -0400)]
git format-patch documentation: clarify what --cover-letter does
Signed-off-by: Matt McCutchen <matt@mattmccutchen.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Eric Raible [Thu, 14 Aug 2008 17:12:54 +0000 (10:12 -0700)]
bash completion: 'git apply' should use 'fix' not 'strip'
Bring completion up to date with the man page.
Signed-off-by: Eric Raible <raible@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Thu, 14 Aug 2008 02:22:29 +0000 (19:22 -0700)]
Merge branch 'maint'
* maint:
t5304-prune: adjust file mtime based on system time rather than file mtime
Fix escaping of glob special characters in pathspecs
Brandon Casey [Thu, 14 Aug 2008 00:49:30 +0000 (19:49 -0500)]
t5304-prune: adjust file mtime based on system time rather than file mtime
test-chmtime can adjust the mtime of a file based on the file's mtime, or
based on the system time. For files accessed over NFS, the file's mtime is
set by the NFS server, and as such may vary a great deal from the NFS
client's system time if the clocks of the client and server are out of
sync. Since these tests are testing the expire feature of git-prune, an
incorrect mtime could cause a file to be expired or not expired incorrectly
and produce a test failure.
Avoid this NFS pitfall by modifying the calls to test-chmtime so that the
mtime is adjusted based on the system time, rather than the file's mtime.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Brandon Casey [Thu, 14 Aug 2008 00:48:57 +0000 (19:48 -0500)]
test-parse-options: use appropriate cast in length_callback
OPT_CALLBACK() is passed &integer which is now an "int" rather than
"unsigned long". Update the length_callback function.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Kevin Ballard [Wed, 13 Aug 2008 22:34:34 +0000 (15:34 -0700)]
Fix escaping of glob special characters in pathspecs
match_one implements an optimized pathspec match where it only uses
fnmatch if it detects glob special characters in the pattern. Unfortunately
it didn't treat \ as a special character, so attempts to escape a glob
special character would fail even though fnmatch() supports it.
Signed-off-by: Kevin Ballard <kevin@sb.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Thomas Rast [Wed, 13 Aug 2008 21:41:24 +0000 (23:41 +0200)]
rebase -i -p: fix parent rewriting
The existing parent rewriting did not handle the case where a previous
commit was amended (via edit or squash). Fix by always putting the
new sha1 of the last commit into the $REWRITTEN map.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Thomas Rast [Wed, 13 Aug 2008 21:41:23 +0000 (23:41 +0200)]
rebase -i -p: handle index and workdir correctly
'git rebase -i -p' forgot to update the index and working directory
during fast forwards. Fix this. Makes 'GIT_EDITOR=true rebase -i -p
<ancestor>' a no-op again.
Also, it attempted to do a fast forward even if it was instructed not
to commit (via -n). Fall back to the cherry-pick code path and let
that handle the issue for us.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Junio C Hamano [Wed, 13 Aug 2008 04:42:22 +0000 (21:42 -0700)]
GIT 1.6.0-rc3
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 13 Aug 2008 05:46:22 +0000 (22:46 -0700)]
Merge branch 'maint'
* maint:
Do not talk about "diff" in rev-list documentation.
Junio C Hamano [Mon, 11 Aug 2008 18:46:56 +0000 (11:46 -0700)]
Do not talk about "diff" in rev-list documentation.
Since
8c02eee (git-rev-list(1): group options; reformat; document more
options, 2006-09-01), git-rev-list documentation talks as if it supports
any kind of diff output. It doesn't.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 13 Aug 2008 04:41:29 +0000 (21:41 -0700)]
Merge git://git.bogomips.org/git-svn
* git://git.bogomips.org/git-svn:
git-svn: Reduce temp file usage when dealing with non-links
git-svn: Make it incrementally faster by minimizing temp files
Git.pm: Add faculties to allow temp files to be cached
Marcus Griep [Tue, 12 Aug 2008 16:45:39 +0000 (12:45 -0400)]
git-svn: Reduce temp file usage when dealing with non-links
Currently, in sub 'close_file', git-svn creates a temporary file and
copies the contents of the blob to be written into it. This is useful
for symlinks because svn stores symlinks in the form:
link $FILE_PATH
Git creates a blob only out of '$FILE_PATH' and uses file mode to
indicate that the blob should be interpreted as a symlink.
As git-hash-object is invoked with --stdin-paths, a duplicate of the
link from svn must be created that leaves off the first five bytes,
i.e. 'link '. However, this is wholly unnecessary for normal blobs,
though, as we already have a temp file with their contents. Copying
the entire file gains nothing, and effectively requires a file to be
written twice before making it into the object db.
This patch corrects that issue, holding onto the substr-like
duplication for symlinks, but skipping it altogether for normal blobs
by reusing the existing temp file.
Signed-off-by: Marcus Griep <marcus@griep.us>
Acked-by: Eric Wong <normalperson@yhbt.net>
Marcus Griep [Tue, 12 Aug 2008 16:00:53 +0000 (12:00 -0400)]
git-svn: Make it incrementally faster by minimizing temp files
Currently, git-svn would create a temp file on four occasions:
1. Reading a blob out of the object db
2. Creating a delta from svn
3. Hashing and writing a blob into the object db
4. Reading a blob out of the object db (in another place in code)
Any time git-svn did the above, it would dutifully create and then
delete said temp file. Unfortunately, this means that between 2-4
temporary files are created/deleted per file 'add/modify'-ed in
svn (O(n)). This causes significant overhead and helps the inode
counter to spin beautifully.
By its nature, git-svn is a serial beast. Thus, reusing a temp file
does not pose significant problems. "truncate and seek" takes much
less time than "unlink and create". This patch centralizes the
tempfile creation and holds onto the tempfile until they are deleted
on exit. This significantly reduces file overhead, now requiring
at most three (3) temp files per run (O(1)).
Signed-off-by: Marcus Griep <marcus@griep.us>
Acked-by: Eric Wong <normalperson@yhbt.net>
Marcus Griep [Tue, 12 Aug 2008 16:00:18 +0000 (12:00 -0400)]
Git.pm: Add faculties to allow temp files to be cached
This patch offers a generic interface to allow temp files to be
cached while using an instance of the 'Git' package. If many
temp files are created and destroyed during the execution of a
program, this caching mechanism can help reduce the amount of
files created and destroyed by the filesystem.
The temp_acquire method provides a weak guarantee that a temp
file will not be stolen by subsequent requests. If a file is
locked when another acquire request is made, a simple error is
thrown.
Signed-off-by: Marcus Griep <marcus@griep.us>
Acked-by: Eric Wong <normalperson@yhbt.net>
Thomas Rast [Mon, 11 Aug 2008 23:55:36 +0000 (01:55 +0200)]
Documentation: rev-list-options: Rewrite simplification descriptions for clarity
This completely rewrites the documentation of --full-history with lots
of examples.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Gustaf Hendeby [Tue, 12 Aug 2008 14:24:26 +0000 (16:24 +0200)]
Teach git diff about BibTeX head hunk patterns
All BibTeX entries starts with an @ followed by an entry type. Since
there are many entry types and own can be defined, the pattern matches
legal entry type names instead of just the default types (which would
be a long list). The pattern also matches strings and comments since
they will also be useful to position oneself in a bib-file.
Signed-off-by: Gustaf Hendeby <hendeby@isy.liu.se>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Gustaf Hendeby [Tue, 12 Aug 2008 14:24:25 +0000 (16:24 +0200)]
gitattributes: Document built in hunk header patterns
Since the hunk header pattern text was written patterns for Ruby and
Pascal/Delphi have been added. For users to be able to find them they
should be documented not only in code.
Signed-off-by: Gustaf Hendeby <hendeby@isy.liu.se>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Stephen R. van den Berg [Tue, 12 Aug 2008 19:36:13 +0000 (21:36 +0200)]
git-daemon: SysV needs the signal handler reinstated.
Fixes the bug on (amongst others) Solaris that only the first
child ever is reaped.
Signed-off-by: Stephen R. van den Berg <srb@cuci.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Tue, 12 Aug 2008 05:15:28 +0000 (22:15 -0700)]
diff --check: do not unconditionally complain about trailing empty lines
Recently "git diff --check" learned to detect new trailing blank lines
just like "git apply --whitespace" does. However this check should not
trigger unconditionally. This patch makes it honor the whitespace
settings from core.whitespace and gitattributes.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Tue, 12 Aug 2008 02:24:28 +0000 (19:24 -0700)]
Merge branch 'maint'
* maint:
git-bisect: fix wrong usage of read(1)
Anand Kumria [Sun, 10 Aug 2008 18:26:35 +0000 (19:26 +0100)]
Put in the two other configuration elements found in the source
I am not entirely clear what these parameters do but felt it
useful to call them out in the documentation.
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:34 +0000 (19:26 +0100)]
Put some documentation in about the parameters that have been added
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:33 +0000 (19:26 +0100)]
Move git-p4.syncFromOrigin into a configuration parameters section
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:32 +0000 (19:26 +0100)]
Consistently use 'git-p4' for the configuration entries
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:31 +0000 (19:26 +0100)]
If the user has configured various parameters, use them.
Some repositories require authentication and access to certain
hosts. Allow git-p4 to pull this information from the configuration
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:30 +0000 (19:26 +0100)]
Switch to using 'p4_build_cmd'
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:29 +0000 (19:26 +0100)]
If we are in verbose mode, output what we are about to run (or return)
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:28 +0000 (19:26 +0100)]
Add a single command that will be used to construct the 'p4' command
Rather than having three locations where the 'p4' command is built up,
refactor this into the one place. This will, eventually, allow us to
have one place where we modify the evironment or pass extra
command-line options to the 'p4' binary.
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:27 +0000 (19:26 +0100)]
Utilise the new 'p4_system' function.
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:26 +0000 (19:26 +0100)]
Have a command that specifically invokes 'p4' (via system)
Similiar to our 'p4_read_pipe_lines' command, we can isolate
specific changes to the invocation method in the one location
with this change.
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:25 +0000 (19:26 +0100)]
Utilise the new 'p4_read_pipe_lines' command
Now that we have the new command, we can utilise it and then
eventually, isolate any changes required to the one place.
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anand Kumria [Sun, 10 Aug 2008 18:26:24 +0000 (19:26 +0100)]
Create a specific version of the read_pipe_lines command for p4 invocations
This will make it easier to isolate changes to how 'p4' is invoked
(whether with parameters or not, etc.).
Signed-off-by: Anand Kumria <wildfire@progsoc.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Thomas Rast [Mon, 11 Aug 2008 23:55:35 +0000 (01:55 +0200)]
Documentation: rev-list-options: Fix a typo
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Petr Baudis [Mon, 11 Aug 2008 22:34:46 +0000 (00:34 +0200)]
Adjust for the new way of enabling the default post-update hook
The post-update hook, which is required to be enabled in order for
the repository to be accessible over HTTP, is not enabled by
chmod a+x anymore, but instead by dropping the .sample suffix.
This patch emphasizes this change in the release notes (since
I believe this is rather noticeable backwards-incompatible change).
It also adjusts the documentation which still described the old way
and fixes t/t5540-http-push.sh, which was broken for 1.5 month
but apparently noone ever runs this test.
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Francis Moreau [Mon, 11 Aug 2008 17:37:46 +0000 (19:37 +0200)]
git-bisect: fix wrong usage of read(1)
Signed-off-by: Francis Moreau <francis.moro@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Nguyễn Thái Ngọc Duy [Sun, 10 Aug 2008 15:26:23 +0000 (22:26 +0700)]
Fix typo in comments of longest_ancestor_length()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>