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Processing empty_dir directives becomes extremely slow for svn
repositories with a large enough history.
This is due to using a single hash to store the list of empty
directories, with the expensive step being purging items from
that hash using grep+delete.
Storing directories in a hash of hashes improves the performance
of this purge step and removes a potentially lengthy delay after
every rebase/mkdirs command.
The svn repository with this behaviour has 110K commits with
unhandled.log containing 170K empty_dir directives.
This takes 10 minutes to process when using a single hash, vs
3 seconds with a hash of hashes.
Signed-off-by: Dair Grant <dair@feralinteractive.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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parse_address_line had not the same behavior whether the user had
Mail::Address or not. Teach parse_address_line to behave like
Mail::Address.
When the user input is correct, this implementation behaves
exactly like Mail::Address except when there are quotes
inside the name:
"Jane Do"e <jdoe@example.com>
In this case the result of parse_address_line is:
With M::A : "Jane Do" e <jdoe@example.com>
Without : "Jane Do e" <jdoe@example.com>
When the user input is not correct, the behavior is also mostly
the same.
Unlike Mail::Address, this doesn't parse groups and recursive
commentaries.
Signed-off-by: Remi Lespinet <remi.lespinet@ensimag.grenoble-inp.fr>
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* svn-maint-fixes:
Git::SVN::*: avoid premature FileHandle closure
git-svn: fix localtime=true on non-glibc environments
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Since b19138b (git-svn: Make it incrementally faster by minimizing temp
files, v1.6.0), git-svn has been using the Git.pm temp_acquire and
temp_release mechanism to avoid unnecessary temp file churn and provide
a speed boost.
However, that change introduced a call to temp_acquire inside the
Git::SVN::Fetcher::close_file function for an 'svn_hash' temp file.
Because an SVN::Pool is active at the time this function is called, if
the Git::temp_acquire function ends up actually creating a new
FileHandle for the temp file (which it will the first time it's called
with the name 'svn_hash') that FileHandle will end up in the SVN::Pool
and should that pool have SVN::Pool::clear called on it that FileHandle
will be closed out from under Git::temp_acquire.
Since the only call site to Git::temp_acquire with the name 'svn_hash'
is inside the close_file function, if an 'svn_hash' temp file is ever
created its FileHandle is guaranteed to be created in the active
SVN::Pool.
This has not been a problem in the past because the SVN::Pool was not
being cleared. However, since dfa72fdb (git-svn: reload RA every
log-window-size, v2.2.0) the pool has been getting cleared periodically
at which point the FileHandle for the 'svn_hash' temp file gets closed.
Any subsequent calls to Git::temp_acquire for 'svn_hash', however,
succeed without creating/opening a new temporary file since it still has
the now invalid FileHandle in its cache. Callers that then attempt to
use that FileHandle fail with an error.
We avoid this problem by making sure the 'svn_hash' temp file is created
in the same place the 'svn_delta_...' and 'git_blob_...' temp files are
(and then temp_release'd) so that it can be safely used inside the
close_file function without having its FileHandle end up in an SVN::Pool
that gets cleared.
Additionally the Git.pm cat_blob function creates a bidirectional pipe
FileHandle using the IPC::Open2::open2 function. If that handle is
created too late, it also gets caught up in the SVN::Pool and incorrectly
closed by the SVN::Pool::clear call. But this only seems to happen with
more recent versions of Perl and svn.
To avoid this problem we add an explicit call to _open_cat_blob_if_needed
before the first call to SVN::Pool->new_default to make sure the open2
handle does not end up in the SVN::Pool.
Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git svn uses POSIX::strftime('%s', $sec, $min, ...) to make unix epoch time.
But lowercase %s formatting character is a GNU extention. This causes problem
in git svn fetch --localtime on non-glibc systems, such as msys or cygwin.
Using Time::Local::timelocal($sec, $min, ...) fixes it.
Signed-off-by: Ryuichi Kokubo <ryu1kkb@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Notes:
lowercase %s format character in strftime is a GNU extension and not widely supported.
POSIX::strftime affected by underlying crt's strftime because POSIX::strftime just calls crt's one.
Time::Local is good function to replace POSIX::strftime because it's a perl core module function.
Document about Time::Local.
http://perldoc.perl.org/Time/Local.html
These are specifications of strftime.
The GNU C Library Reference Manual.
http://www.gnu.org/software/libc/manual/html_node/Formatting-Calendar-Time.html
perl POSIX module's strftime document. It does not have '%s'.
http://perldoc.perl.org/POSIX.html
strftime document of Microsort Windows C Run-Time library.
https://msdn.microsoft.com/en-us/library/fe06s4ak.aspx
The Open Group's old specification does not have '%s' too.
http://pubs.opengroup.org/onlinepubs/007908799/xsh/strftime.html
On my environment, following problems happened.
- msys : git svn fetch does not progress at all with perl.exe consuming CPU.
- cygwin : git svn fetch progresses but time stamp information is dropped.
Every commits have unix epoch timestamp.
I would like to thank git developer and contibutors.
git helps me so much everyday.
Thank you.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We can delay loading some modules until we need them for uncommon
code paths. For example, persistent memoization is not often
needed, so we can avoid loading the modules for it until we
encounter svn::mergeinfo during fetch.
This gives a tiny reduction in syscalls (from 15641 to 15305) when
running "git svn info" and counting via "strace -fc". Further,
more invasive work will be needed to noticeably improve performance.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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ref_id should not match "refs/remotes/".
[ew: dropped initial hunk for GIT_SVN_ID at Ramkumar's request]
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This change allows git-svn to support setting subversion properties.
It is useful for manually setting properties when committing to a
subversion repo that *requires* properties to be set without requiring
moving your changeset to separate subversion checkout in order to
set props.
This change is initially from David Fraser, appearing at:
http://mid.gmane.org/1927112650.1281253084529659.JavaMail.root@klofta.sjsoft.com>
They are now forward-ported to most recent git along with fixes to
deal with files in subdirectories.
Style and functional changes from Eric Wong have been taken
in their entirety from:
http://mid.gmane.org/20141201094911.GA13931@dcvr.yhbt.net
There is a nit to point out: the code does not support
adding props unless there are also content changes to the files as
well. This is demonstrated in the testcase.
[ew - simplify Git.pm usage for check-attr
- improve shell portability for tests
- minor phrasing changes in commit message]
Signed-off-by: David Fraser <davidf@sjsoft.com>
Signed-off-by: Alfred Perlstein <alfred@freebsd.org>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This avoids the following failure with normal "get_dir" on newer
versions of SVN (tested with SVN 1.8.8-1ubuntu3.1):
Incorrect parameters given: Could not convert '%ld' into a number
get_dir2 also has the potential to be more efficient by requesting
less data.
ref: <1414636504.45506.YahooMailBasic@web172304.mail.ir2.yahoo.com>
ref: <1414722617.89476.YahooMailBasic@web172305.mail.ir2.yahoo.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
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And minor reformatting while we're in the area.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Neither find_extra_svk_parents or find_extra_svn_parents ever
used the `$ed' parameter.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Memoizing these initialization functions saves some memory for
long fetches which require scanning many unwanted revisions
before any wanted revisions happen.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This should help me track down errors in git-svn more easily:
write .git/Git_XXXXXX: Bad file descriptor
at /usr/lib/perl5/SVN/Ra.pm line 623
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This memoization appears unneeded as the check_cherry_pick2 cache is
in front of it does enough.
With this change applied, importing from local svn+ssh and http copies
of the R repo[1] takes only 2:00 (2 hours) on my system and the git-svn
process never uses more than 60MB RSS on my x86-64 GNU/Linux system[2].
This 60M measurement is only for the git-svn Perl process itself and
does not include memory used by git subprocesses accessing large packs
(subprocess memory usage _is_ measured by my time(1) tool).
Before this change, an import took longer (2:20) on svn+ssh:// but
git-svn used around 240MB during the imports. Worse yet, git-svn
ballooned to over 400M when writing out the cache to the filesystem.
I also tried removing memoization for `has_no_changes', too, but a
local copy of the R repository(*) was not close to finishing within
10 hours on my system.
[1] http://svn.r-project.org/R
[2] file:// repos causes libsvn to use more memory internally
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
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There is no reason to keep entries in the %revs hash after we're
done processing a revision, so allow entries become freed as
processing continues.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This override was probably never necessary, but most likely a no-op
as it does not appear to do anything in SVN::Ra itself.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Despite attempting to use local memory pools everywhere we can,
(including our call to SVN::Ra::do_update and all subsequent reporter
calls), there does not appear to be a way to force the Git::SVN::Fetcher
callbacks to use a pool other than the per-SVN::Ra pool.
Git::SVN::Fetcher ends up using the main RA pool which grows
monotonically in size for the lifetime of the RA object.
Thus the only way to free that memory appears to be to destroy and
recreate the RA connection for at every --log-window-size interval.
This reduces memory usage over the course of fetching 10K revisions
using a test repository created with the script at the end of this
commit message.
As reported by time(1) on my x86-64 system:
before: 54024k
after: 28680k
Unfortunately, there remains some yet-to-be-tracked-down slow memory
growth which would be evident as the `nr' parameter increases in
the repository generation script:
-----------------------------8<------------------------------
set -e
tmp=$(mktemp -d svntestrepo-XXXXXXXX)
svnadmin create "$tmp"
repo=file://"$(cd $tmp && pwd)"
svn co "$repo" "$tmp/wd"
cd "$tmp/wd"
if ! test -f a
then
> a
svn add a
svn commit -m 'A'
fi
nr=10000
while test $nr -gt 0
do
echo $nr > a
svn commit -q -m A
nr=$((nr - 1))
done
echo "repository created in $repo"
-----------------------------8<------------------------------
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This should further reduce memory usage from the new mergeinfo
speedups without hurting performance too much, assuming
reasonable latency to the SVN server.
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Suggested-by: Jakob Stoklund Olesen <stoklund@2pi.dk>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This should reduce excessive memory usage from the new mergeinfo
caches without hurting performance too much, assuming reasonable
latency to the SVN server.
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Suggested-by: Jakob Stoklund Olesen <stoklund@2pi.dk>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We do not need to store entire lists of commits, only the
number of incomplete and the first commit for reference.
This reduces the amount of data we need to store in memory
and on disk stores.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Subversion can put mergeinfo on any sub-directory to track cherry-picks.
Since cherry-picks are not represented explicitly in git, git-svn should
just ignore it.
Signed-off-by: Jakob Stoklund Olesen <stoklund@2pi.dk>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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In a Subversion repository where many feature branches are merged into a
trunk, the svn:mergeinfo property can grow very large. This severely
slows down git-svn's make_log_entry() because it is checking all
mergeinfo entries every time the property changes.
In most cases, the additions to svn:mergeinfo since the last commit are
pretty small, and there is nothing to gain by checking merges that were
already checked for the last commit in the branch.
Add a mergeinfo_changes() function which computes the set of interesting
changes to svn:mergeinfo since the last commit. Filter out merged
branches whose ranges haven't changed, and remove a common prefix of
ranges from other merged branches.
This speeds up "git svn fetch" by several orders of magnitude on a large
repository where thousands of feature branches have been merged.
Signed-off-by: Jakob Stoklund Olesen <stoklund@2pi.dk>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Since the very beginning of Git, we gave the LESS environment a
default value "FRSX" when we spawn "less" as the pager. "S" (chop
long lines instead of wrapping) has been removed from this default
set of options, because it is more or less a personal taste thing,
as opposed to others that have good justifications (i.e. "R" is very
much justified because many kinds of output we produce are colored
and "FX" is justified because output we produce is often shorter
than a page).
Existing users who prefer not to see line-wrapped output may want to
set
$ git config core.pager "less -S"
to restore the traditional behaviour. It is expected that people
find output from the most subcommands easier to read with the new
default, except for "blame" which tends to produce really long
lines. To override the new default only for "git blame", you can do
this:
$ git config pager.blame "less -S"
* mm/pager-less-sans-S:
pager: remove 'S' from $LESS by default
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By default, Git used to set $LESS to -FRSX if $LESS was not set by
the user. The FRX flags actually make sense for Git (F and X because
sometimes the output Git pipes to less is short, and R because Git
pipes colored output). The S flag (chop long lines), on the other
hand, is not related to Git and is a matter of user preference. Git
should not decide for the user to change LESS's default.
More specifically, the S flag harms users who review untrusted code
within a pager, since a patch looking like:
-old code;
+new good code; [... lots of tabs ...] malicious code;
would appear identical to:
-old code;
+new good code;
Users who prefer the old behavior can still set the $LESS environment
variable to -FRSX explicitly, or set core.pager to 'less -S'.
The documentation in config.txt is made a bit longer to keep both an
example setting the 'S' flag (needed to recover the old behavior)
and an example showing how to unset a flag set by Git.
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some broken subversion server gives timestamps with only one digit
in the hour part, like this:
2014-01-07T5:01:02.048176Z
Loosen the regexp that expected to see two-digit hour, minute and
second parts to accept a single-digit hour (but not minute or
second).
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Justin Lebar <jlebar@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Justin Lebar <jlebar@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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According to profile data, _rev_list and rebuild consume a large
portion of time. Memoize the results of _rev_list and memoize
rebuild internals to avoid subprocess invocation.
When importing 15152 revisions on a LAN, time improved from 10
hours to 3-4 hours.
Signed-off-by: lin zuojian <manjian2006@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Just like we give a reasonable default for "less" via the LESS
environment variable, specify a reasonable default for "lv" via the
"LV" environment variable when spawning the pager.
* jn/pager-lv-default-env:
pager: set LV=-c alongside LESS=FRSX
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On systems with lv configured as the preferred pager (i.e.,
DEFAULT_PAGER=lv at build time, or PAGER=lv exported in the
environment) git commands that use color show control codes instead of
color in the pager:
$ git diff
^[[1mdiff --git a/.mailfilter b/.mailfilter^[[m
^[[1mindex aa4f0b2..17e113e 100644^[[m
^[[1m--- a/.mailfilter^[[m
^[[1m+++ b/.mailfilter^[[m
^[[36m@@ -1,11 +1,58 @@^[[m
"less" avoids this problem because git uses the LESS environment
variable to pass the -R option ('output ANSI color escapes in raw
form') by default. Use the LV environment variable to pass 'lv' the
-c option ('allow ANSI escape sequences for text decoration / color')
to fix it for lv, too.
Noticed when the default value for color.ui flipped to 'auto' in
v1.8.4-rc0~36^2~1 (2013-06-10).
Reported-by: Olaf Meeuwissen <olaf.meeuwissen@avasys.jp>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Subversion serf backend in versions 1.8.5 and below has a bug(*) that the
function creating the descriptor of a file change -- add_file() --
doesn't make a copy of its third argument when storing it on the
returned descriptor. As a result, by the time this field is used (in
transactions of file copying or renaming) it may well be released, and
the memory reused.
One of its possible manifestations is the svn assertion triggering on an
invalid path, with a message
svn_fspath__skip_ancestor: Assertion
`svn_fspath__is_canonical(child_fspath)' failed.
This patch works around this bug, by storing the value to be passed as
the third argument to add_file() in a local variable with the same scope
as the file change descriptor, making sure their lifetime is the same.
* [ew: fixed in Subversion r1553376 as noted by Jonathan Nieder]
Cc: Benjamin Pabst <benjamin.pabst85@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Roman Kagan <rkagan@mail.ru>
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git-svn used in combination with serf to talk to svn repository
served over HTTPS dumps core on termination.
This is caused by a bug in serf, and the most recent serf release
1.3.1 still exhibits the problem; a fix for the bug exists (see
https://code.google.com/p/serf/source/detail?r=2146).
Until the bug is fixed, work around the issue within the git perl
module Ra.pm by freeing the private copy of the remote access object
on termination, which seems to be sufficient to prevent the error
from happening.
Note: Since subversion-1.8.0 and later do require serf-1.2.1 or
later, this issue typically shows up when upgrading to a recent
version of subversion.
Credits go to Jonathan Lambrechts for proposing a fix to Ra.pm,
Evgeny Kotkov and Ivan Zhakov for fixing the issue in serf and
pointing me to that fix.
Signed-off-by: Uli Heller <uli.heller@daemons-point.com>
Tested-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the temp_is_locked function was introduced, there was
a desire to make _temp_cache use it. Unfortunately due to the
various tests and logic flow involved changing the _temp_cache
function to use the new temp_is_locked function is problematic
as _temp_cache needs a slightly different test than is provided
by the temp_is_locked function.
This change reverts use of temp_is_locked in the _temp_cache
function and restores the original code that existed there
before the temp_is_locked function was added.
Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When attempting to git-svn fetch files from an svn https?: url using
the serf library (the only choice starting with svn 1.8) the following
errors can occur:
Temp file with moniker 'svn_delta' already in use at Git.pm line 1250
Temp file with moniker 'git_blob' already in use at Git.pm line 1250
David Rothenberger <daveroth@acm.org> has determined the cause to
be that ra_serf does not drive the delta editor in a depth-first
manner [...]. Instead, the calls come in this order:
1. open_root
2. open_directory
3. add_file
4. apply_textdelta
5. add_file
6. apply_textdelta
When using the ra_serf access method, git-svn can end up needing
to create several temp files before the first one is closed.
This change causes a new temp file moniker to be generated if the
one that would otherwise have been used is currently locked.
Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The temp_is_locked function can be used to determine whether
or not a given name previously passed to temp_acquire is
currently locked.
Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The SVN::Fetcher module is now able to filter for inclusion as well
as exclusion (as used by --ignore-path). Also added tests, documentation
changes and git completion script.
If you have an SVN repository with many top level directories and you
only want a git-svn clone of some of them then using --ignore-path is
difficult as it requires a very long regexp. In this case it's much
easier to filter for inclusion.
[ew: remove trailing whitespace]
Signed-off-by: Paul Walmsley <pjwhams@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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lexgrog(1) relies on the NAME section to find a manpage's subject's
name and description for easy access later using "man -k". Add the
section it expects.
Noticed using lintian.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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* hb/git-pm-tempfile:
Git.pm: call tempfile from File::Temp as a regular function
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We call File::Temp's "tempfile" function as a class method, but it was
never designed to be called this way. Older versions seemed to
tolerate it, but as of File::Temp 0.23, it blows up like this:
$ git svn fetch
'tempfile' can't be called as a method at .../Git.pm line 1117.
Fix it by calling it as a regular function, just inside the File::Temp
namespace.
Signed-off-by: H. Merijn Brand <h.m.brand@xs4all.nl>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Closing (not redirecting to /dev/null) the standard error stream is
not a very smart thing to do. Later open may return file
descriptor #2 for unrelated purpose, and error reporting code may
write into them.
* tr/perl-keep-stderr-open:
t9700: do not close STDERR
perl: redirect stderr to /dev/null instead of closing
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* maint:
Correct common spelling mistakes in comments and tests
kwset: fix spelling in comments
precompose-utf8: fix spelling of "want" in error message
compat/nedmalloc: fix spelling in comments
compat/regex: fix spelling and grammar in comments
obstack: fix spelling of similar
contrib/subtree: fix spelling of accidentally
git-remote-mediawiki: spelling fixes
doc: various spelling fixes
fast-export: fix argument name in error messages
Documentation: distinguish between ref and offset deltas in pack-format
i18n: make the translation of -u advice in one go
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Most of these were found using Lucas De Marchi's codespell tool.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Typo fix: replacing it's -> its
t: make PIPE a standard test prerequisite
archive: clarify explanation of --worktree-attributes
t/README: --immediate skips cleanup commands for failed tests
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Signed-off-by: Benoit Bourbie <benoit.bourbie@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On my system, t9100.1 triggers the following warning:
==352== Syscall param write(buf) points to uninitialised byte(s)
==352== at 0x57119C0: __write_nocancel (in /lib64/libc-2.17.so)
==352== by 0x56AC1D2: _IO_file_write@@GLIBC_2.2.5 (in /lib64/libc-2.17.so)
==352== by 0x56AC0B1: new_do_write (in /lib64/libc-2.17.so)
==352== by 0x56AD3B4: _IO_do_write@@GLIBC_2.2.5 (in /lib64/libc-2.17.so)
==352== by 0x56AD6FE: _IO_file_overflow@@GLIBC_2.2.5 (in /lib64/libc-2.17.so)
==352== by 0x56AE3D8: _IO_default_xsputn (in /lib64/libc-2.17.so)
==352== by 0x56ACAA2: _IO_file_xsputn@@GLIBC_2.2.5 (in /lib64/libc-2.17.so)
==352== by 0x5682133: buffered_vfprintf (in /lib64/libc-2.17.so)
==352== by 0x567CE9D: vfprintf (in /lib64/libc-2.17.so)
==352== by 0x5687096: fprintf (in /lib64/libc-2.17.so)
==352== by 0x4E7AC5: vreportf (usage.c:15)
==352== by 0x4E7B14: die_builtin (usage.c:38)
The actual complaint appears to be a bug in the underlying
implementation. What's interesting here is that it is apparently
_triggered_ by closing stderr, which results in (from strace)
write(2, "fatal: Needed a single revision\n", 32) = -1 EBADF (Bad file descriptor)
write(2, "\0", 1) = -1 EBADF (Bad file descriptor)
Closing stderr is a bad idea anyway: there is a very real chance that
we print fatal error messages to some other file that just happens to
be opened on the now-free FD 2. So let's not do that.
As pointed out by Eric Wong (thanks), the initial close needs to go:
die() would again write nowhere if we close STDERR beforehand.
Signed-off-by: Thomas Rast <trast@inf.ethz.ch>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
This originates from an msysgit pull request, see:
https://github.com/msysgit/git/pull/58
Signed-off-by: Eric Wieser <wieser.eric@gmail.com>
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
|
|
perl/Git.pm::cat_blob slurped everything in core only to write it
out to a file descriptor, which was not a very smart thing to do.
* jc/perl-cat-blob:
Git.pm: fix cat_blob crashes on large files
|
|
Hooks the credential system to send-email.
* mn/send-email-works-with-credential:
git-send-email: use git credential to obtain password
Git.pm: add interface for git credential command
Git.pm: allow pipes to be closed prior to calling command_close_bidi_pipe
Git.pm: refactor command_close_bidi_pipe to use _cmd_close
Git.pm: fix example in command_close_bidi_pipe documentation
Git.pm: allow command_close_bidi_pipe to be called as method
|
|
perl/Git.pm::cat_blob slurped everything in core only to write it
out to a file descriptor, which was not a very smart thing to do.
* jc/perl-cat-blob:
Git.pm: fix cat_blob crashes on large files
|
Dair Grant
Remi Lespinet
Junio C Hamano
Kyle J. McKay
Ryuichi Kokubo
Eric Wong
Alexander Kuleshov
Ramkumar Ramachandra
Alfred Perlstein
Jakob Stoklund Olesen
Matthieu Moy
RomanBelinsky
Justin Lebar
lin zuojian
Jonathan Nieder
Roman Kagan
Uli Heller
Paul Walmsley
H. Merijn Brand
Stefano Lattarini
Benoit Bourbie
Thomas Rast
Sebastian Schuberth