Commit 83572c1a914d3f7a8dd66d954c11bbc665b7b923 changed many
realloc to xrealloc. This change was made in diff-delta.c too,
although the code can handle an out of memory failure.
This patch reverts this change in diff-delta.c.
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at> Signed-off-by: Junio C Hamano <junkio@cox.net>
* maint:
git-config: Improve documentation of git-config file handling
git-config: Various small fixes to asciidoc documentation
decode_85(): fix missing return.
fix signed range problems with hex conversions
* maint-1.5.1:
git-config: Improve documentation of git-config file handling
git-config: Various small fixes to asciidoc documentation
decode_85(): fix missing return.
fix signed range problems with hex conversions
git-config: Improve documentation of git-config file handling
The description which files git-config uses and how the various
command line options and environment variables affect its
behaviour was incomplete, outdated and confusing.
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
always start looking up objects in the last used pack first
Jon Smirl said:
| Once an object reference hits a pack file it is very likely that
| following references will hit the same pack file. So first place to
| look for an object is the same place the previous object was found.
This is indeed a good heuristic so here it is. The search always start
with the pack where the last object lookup succeeded. If the wanted
object is not available there then the search continues with the normal
pack ordering.
To test this I split the Linux repository into 66 packs and performed a
"time git-rev-list --objects --all > /dev/null". Best results are as
follows:
Pack Sort w/o this patch w/ this patch
-------------------------------------------------------------
recent objects last 26.4s 20.9s
recent objects first 24.9s 18.4s
This shows that the pack order based on object age has some influence,
but that the last-used-pack heuristic is even more significant in
reducing object lookup.
Signed-off-by: Nicolas Pitre <nico@cam.org> --- Note: the
--max-pack-size to git-repack currently produces packs with old objects
after those containing recent objects. The pack sort based on
filesystem timestamp is therefore backward for those. This needs to be
fixed of course, but at least it made me think about this variable for
the test. Signed-off-by: Junio C Hamano <junkio@cox.net>
Make hexval_table[] "const". Also make sure that the accessor
function hexval() does not access the table with out-of-range
values by declaring its parameter "unsigned char", instead of
"unsigned int".
* db/remote:
Move refspec pattern matching to match_refs().
Update local tracking refs when pushing
Add handlers for fetch-side configuration of remotes.
Move refspec parser from connect.c and cache.h to remote.{c,h}
Move remote parsing into a library file out of builtin-push.
* jc/nodelta:
builtin-pack-objects: remove unnecessary code for no-delta
Teach "delta" attribute to pack-objects.
pack-objects: pass fullname down to add_object_entry()
* ar/run:
Allow environment variables to be unset in the processes started by run_command
Add ability to specify environment extension to run_command
Add run_command_v_opt_cd: chdir into a directory before exec
* maint:
cvsserver: Fix some typos in asciidoc documentation
cvsserver: Note that CVS_SERVER can also be specified as method variable
cvsserver: Correct inetd.conf example in asciidoc documentation
user-manual: fixed typo in example
Add test case for $Id$ expanded in the repository
git-svn: avoid md5 calculation entirely if SVN doesn't provide one
Makefile: Remove git-fsck and git-verify-pack from PROGRAMS
Fix stupid typo in lookup_tag()
git-gui: Guess our share/git-gui/lib path at runtime if possible
Correct key bindings to Control-<foo>
git-gui: Tighten internal pattern match for lib/ directory
If we are too fast with our changes, the file in
the working copy might still have the same mtime
as noted in the CVS/Entries. This will cause CVS
to happily report to the server that the file is
unmodified which can lead to data loss (and in
our case test failure).
CVS sucks!
Work around that by sleeping for a second.
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
Allow contrib new-workdir to link into bare repositories
On one particular system I like to keep a cluster of bare Git
repositories and spawn new-workdirs off of them. Since the bare
repositories don't have working directories associated with them
they don't have a .git/ subdirectory that hosts the repository we
are linking to.
Using a bare repository as the backing repository for a workdir
created by this script does require that the user delete core.bare
from the repository's configuration file, so that Git auto-senses
the bareness of a repository based on pathname information, and
not based on the config file.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
Earlier commit d63bd9a broke the case where more than one input
files are fed to mailsplit by not incrementing the base counter
when splitting second and subsequent input files. This should
fix it.
cvsserver: Note that CVS_SERVER can also be specified as method variable
Reasonably new versions of the cvs CLI client allow one to
specifiy CVS_SERVER as a method variable directly in
CVSROOT. This is way more convinient than using an
environment variable since it gets saved in CVS/Root.
Since I only discovered this by accident I guess there
might be others out there that learnt CVS on the 1.11
series (or even earlier) and profit from such a note
about cvs improvements in the last couple years.
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
cvsserver: Correct inetd.conf example in asciidoc documentation
While the given example worked, it made us look rather
incompetent. Give the correct reason why one needs the
more complex syntax and change the example to reflect
that.
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
This test case would have caught the bug fixed by revision c23290d5.
It puts various forms of $Id$ into a file in the repository,
without allowing git to collapse them to uniformity. Then enables the
$Id$ expansion on checkout, and checks that what is checked out has
coped with the various forms.
Signed-off-by: Andy Parkins <andyparkins@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
git-svn: avoid md5 calculation entirely if SVN doesn't provide one
There's no point in calculating an MD5 if we're not going to use
it. We'll also avoid the possibility of there being a bug in the
Perl MD5 library not being able to handle zero-sized files.
Merge branch 'maint' of git://repo.or.cz/git-gui into maint
* 'maint' of git://repo.or.cz/git-gui:
git-gui: Guess our share/git-gui/lib path at runtime if possible
Correct key bindings to Control-<foo>
git-gui: Tighten internal pattern match for lib/ directory
git-gui: Guess our share/git-gui/lib path at runtime if possible
Johannes Sixt asked me to try to avoid embedding the runtime location
of git-gui's library directory in the executable script. Not embedding
it helps the MinGW to be relocatable to another directory should a user
wish to install the programs in a directory other than the location the
packager wanted them to be installed into.
Most of this is a hack. We try to determine if the path of our master
git-gui script will be able to locate the lib by ../share/git-gui/lib.
This should be true if $(gitexecdir) and $(libdir) have the same prefix.
If they do then we defer the assignment of $(libdir) until runtime, and
we get it from $argv0 rather than embedding it into the script itself.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
There is actually nothing left from the original LibXDiff code I used
over 2 years ago, and even the GIT implementation has diverged quite a
bit from LibXDiff's at this point. Let's update the copyright notice
to better reflect that fact.
Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
Martin Koegler noted that create_delta() performs a new hash lookup
after every block copy encoding which are currently limited to 64KB.
In case of larger identical blocks, the next hash lookup would normally
point to the next 64KB block in the reference buffer and multiple block
copy operations will be consecutively encoded.
It is however possible that the reference buffer be sparsely indexed if
hash buckets have been trimmed down in create_delta_index() when hashing
of the reference buffer isn't well balanced. In that case the hash
lookup following a block copy might fail to match anything and the fact
that the reference buffer still matches beyond the previous 64KB block
will be missed.
Let's rework the code so that buffer comparison isn't bounded to 64KB
anymore. The match size should be as large as possible up front and
only then should multiple block copy be encoded to cover it all.
Also, fewer hash lookups will be performed in the end.
According to Martin, this patch should reduce his 92MB pack down to 75MB
with the dataset he has.
Tests performed on the Linux kernel repo show a slightly smaller pack and
a slightly faster repack.
Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
This just basically creates a "pack_refs()" function that could be used by
anybody. You pass it in the flags you want as a bitmask (PACK_REFS_ALL and
PACK_REFS_PRUNE), and it will do all the heavy lifting.
Of course, it's still static, and it's all in the builtin-pack-refs.c
file, so it's not actually visible to the outside, but the next step would
be to just move it all to a library file (probably refs.c) and expose it.
Then we could easily make "git gc" do this too.
While I did it, I also made it check the return value of the fflush and
fsync stage, to make sure that we don't overwrite the old packed-refs file
with something that got truncated due to write errors!
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* maint:
Fix git-svn to handle svn not reporting the md5sum of a file, and test.
Fix mishandling of $Id$ expanded in the repository copy in convert.c
More echo "$user_message" fixes.
Add tests for the last two fixes.
git-commit: use printf '%s\n' instead of echo on user-supplied strings
git-am: use printf instead of echo on user-supplied strings
Documentation: Add definition of "evil merge" to GIT Glossary
Replace the last 'dircache's by 'index'
Documentation: Clean up links in GIT Glossary
* maint-1.5.1:
Fix git-svn to handle svn not reporting the md5sum of a file, and test.
More echo "$user_message" fixes.
Add tests for the last two fixes.
git-commit: use printf '%s\n' instead of echo on user-supplied strings
git-am: use printf instead of echo on user-supplied strings
Documentation: Add definition of "evil merge" to GIT Glossary
Replace the last 'dircache's by 'index'
Documentation: Clean up links in GIT Glossary
This means that send-pack and http-push will support pattern refspecs,
so builtin-push.c doesn't have to expand them, and also git push can
just turn --tags into "refs/tags/*", further simplifying
builtin-push.c
check_ref_format() gets a third "conditionally okay" result for
something that's valid as a pattern but not as a particular ref.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
Fix mishandling of $Id$ expanded in the repository copy in convert.c
If the repository contained an expanded ident keyword (i.e. $Id:XXXX$),
then the wrong bytes were discarded, and the Id keyword was not
expanded. The fault was in convert.c:ident_to_worktree().
Previously, when a "$Id:" was found in the repository version,
ident_to_worktree() would search for the next "$" after this, and
discarded everything it found until then. That was done with the loop:
do {
ch = *cp++;
if (ch == '$')
break;
rem--;
} while (rem);
The above loop left cp pointing one character _after_ the final "$"
(because of ch = *cp++). This was different from the non-expanded case,
were cp is left pointing at the "$", and was different from the comment
which stated "discard up to but not including the closing $". This
patch fixes that by making the loop:
do {
ch = *cp;
if (ch == '$')
break;
cp++;
rem--;
} while (rem);
That is, cp is tested _then_ incremented.
This loop exits if it finds a "$" or if it runs out of bytes in the
source. After this loop, if there was no closing "$" the expansion is
skipped, and the outer loop is allowed to continue leaving this
non-keyword as it was. However, when the "$" is found, size is
corrected, before running the expansion:
size -= (cp - src);
This is wrong; size is going to be corrected anyway after the expansion,
so there is no need to do it here. This patch removes that redundant
correction.
To help find this bug, I heavily commented the routine; those comments
are included here as a bonus.
Signed-off-by: Andy Parkins <andyparkins@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
This updates t4014 to check the two fixes for git-am and git-commit
we observed with "echo" that does backslash interpolation by default
without being asked with -e option.
git-commit: use printf '%s\n' instead of echo on user-supplied strings
This fixes the same issue git-am had, which was fixed by Jeff
King in the previous commit. Cleverly enough, this commit's log
message is a good test case at the same time.
git-am: use printf instead of echo on user-supplied strings
Under some implementations of echo (such as that provided by
dash), backslash escapes are recognized without any other
options. This means that echo-ing user-supplied strings may
cause any backslash sequences in them to be converted. Using
printf resolves the ambiguity.
This bug can be seen when using git-am to apply a patch
whose subject contains the character sequence "\n"; the
characters are converted to a literal newline. Noticed by
Szekeres Istvan.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
Now that the default delta depth is 50, it is a good idea to also bump
MAX_CHAIN to 50.
While at it, make the display a bit prettier by making the MAX_CHAIN
limit inclusive, and display the number of deltas that are above that
limit at the end instead of the beginning.
Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
Add a configuration option to control diffstat after merge
The diffstat can be controlled either with command-line options
(--summary|--no-summary) or with merge.diffstat. The default is
left as it was: diffstat is active by default.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* maint:
fix memory leak in parse_object when check_sha1_signature fails
name-rev: tolerate clock skew in committer dates
Update bash completion for git-config options
Teach bash completion about recent log long options
Teach bash completion about 'git remote update'
Update bash completion header documentation
Remove a duplicate --not option in bash completion
Teach bash completion about git-shortlog
Hide the plumbing diff-{files,index,tree} from bash completion
Update bash completion to ignore some more plumbing commands
Merge branch 'master' of git://repo.or.cz/git/fastimport into maint
* 'master' of git://repo.or.cz/git/fastimport:
Update bash completion for git-config options
Teach bash completion about recent log long options
Teach bash completion about 'git remote update'
Update bash completion header documentation
Remove a duplicate --not option in bash completion
Teach bash completion about git-shortlog
Hide the plumbing diff-{files,index,tree} from bash completion
Update bash completion to ignore some more plumbing commands
Ensure git-repack -a -d --max-pack-size=N deletes correct packs
The packfile portion of the "remove redundant" code
near the bottom of git-repack.sh is broken when
pack splitting occurs. Particularly since this is
the only place where we automatically delete packfiles,
make sure it works properly for all cases, old or new.
Signed-off-by: Dana L. How <danahow@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
I've taught myself to use "git gc" instead of doing the repack explicitly,
but it doesn't actually do what I think it should do.
We've had packed refs for a long time now, and I think it just makes sense
to pack normal branches too. So I end up having to do
git pack-refs --all --prune
in order to get a nice git repo that doesn't have any unnecessary files.
So why not just do that in "git gc"? It's not as if there really is any
downside to packing branches, even if they end up changing later. Quite
often they don't, and even if they do, so what?
Also, make the default for refs packing just be an unambiguous "do it",
rather than "do it by default only for non-bare repositories". If you want
that behaviour, you can always just add a
[gc]
packrefs = notbare
in your ~/.gitconfig file, but I don't actually see why bare would be any
different (except for the broken reason that http-fetching used to be
totally broken, and not doing it just meant that it didn't even get
fixed in a timely manner!).
So here's a trivial patch to make "git gc" do a better job. Hmm?
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
fix memory leak in parse_object when check_sha1_signature fails
When check_sha1_signature fails, program is not terminated:
it prints an error message and returns NULL, so the
buffer returned by read_sha1_file should be freed before.
Signed-off-by: Carlos Rica <jasampler@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
In git.git repository, "git-name-rev v1.3.0~158" cannot name the
rev, while adjacent revs can be named.
This was because it gives up traversal from the tips of existing
refs as soon as it sees a commit that has older commit timestamp
than what is being named. This is usually a good heuristics,
but v1.3.0~158 has a slightly older commit timestamp than
v1.3.0~157 (i.e. it's child), as these two were made in a
separate repostiory (in fact, in a different continent).
This adds a hardcoded slop value (1 day) to the cut-off
heuristics to work this kind of problem around. The current
algorithm essentially runs around from the available tips down
to ancient commits and names every single rev available that are
newer than cut-off date, so a single day slop would not add that
much overhead in repositories with long enough history where the
performance of name-rev matters.
I think the algorithm could be made a bit smarter by deepening
the graph on demand as a new commit is asked to be named (this
would require rewriting of name_rev() function not to recurse
itself but use a traversal list like revision.c traverser does),
but that would be a separate issue.
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
Alberto Bertogli reported on #git that git-gui was exiting with
alt-q, while gitk on the same system was exiting with ctrl-q.
That was not what I wanted. I really wanted M1B to be bound to
the Control key on most non-Mac OS X platforms, but according to
Sam Vilain M1 on most systems means alt. Since gitk always does
control, I'm doing the same thing for all non-Mac OS X systems.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
A few new configuration options grew out of the woodwork during the
1.5.2 series. Most of these are pretty easy to support a completion
of, so we do so.
I wanted to also add completion support for the <driver> part of
merge.<driver>.name but to do that we have to look at all of the
.gitattributes files and guess what the unique set of <driver>
strings would be. Since this appears to be non-trivial I'm punting
on it at this time.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Teach bash completion about recent log long options
(Somewhat) recently git-log learned about --reverse (to show commits
in the opposite order) and a looong time ago I think it learned
about --raw (to show the raw diff, rather than a unified diff).
These are both useful options, so we should make them easy for the
user to complete.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Recently the git-remote command grew an update subcommand, which
can be used to execute git-fetch across multiple repositories
in a single step. These can be configured with the 'remotes.*'
configuration options, so we can offer completion for any name that
matches and appears to be useful to git-remote update.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
1) Added a note about supporting the long options for most commands,
as we have been doing so for quite some time.
2) Include a notice that these routines are covered by the GPL,
as that may not be obvious, even though they are distributed
as part of the core Git distribution.
3) Added a short section on how to send patches to the routines,
and to whom they should get sent to. Currently that is me,
as I am the active maintainer.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Remove a duplicate --not option in bash completion
This was just me being silly; I put the --not option into the
completion list twice. There's no duplicates shown in the shell
as the shell removes them before showing them to the user. But we
really don't need the duplicates in the source script either.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
We've had completion for git-log for quite some time, but just
today I noticed we don't have it for the new builtin shortlog
that runs git-log internally. This is indeed a handy thing to
have completion for, especially when your branch names are of
the Very-Very-Long-and-Hard/To-Type/Variety/That-Some-Use.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Hide the plumbing diff-{files,index,tree} from bash completion
The diff-* programs are meant to be plumbing for the diff frontend;
most end users aren't invoking these commands directly. Consequently
we should avoid showing them as possible completions.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Fix possible coredump with fast-import --import-marks
When e8438420bb7d368bec3647b90c557b9931582267 allowed us to reload
the marks table on subsequent runs of fast-import we really broke
things, as we set pack_id to MAX_PACK_ID for any objects we imported
into the marks table. Creating a branch from that mark should fail
as we attempt to read the object through a non-existant packed_git
pointer. Instead we have to use the normal Git object system to
locate the older commit, as we ourselves do not have a reference
to the packed_git it resides in.
This bug only occurred because t9300 was not complete enough.
When we added the --import-marks feature we didn't actually test
its implementation enough to verify the function worked as intended.
I have corrected that, and included the changes as part of this fix.
Prior versions of fast-import fail the new test(s); this commit
allows them to pass.
Credit for this bug find goes to Simon Hausmann <simon@lst.de> as
he recently identified a similiar bug in the tree lazy-loading path.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Refactor fast-import branch creation from existing commit
To resolve a corner case uncovered by Simon Hausmann I need to
reuse the logic for the SHA-1 expression version of the 'from '
command within the mark version of the 'from ' command. This change
doesn't alter any functionality, but is merely breaking the common
code out to a function that I can reuse.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
fast-import: Fix crash when referencing already existing objects
Commit a5c1780a0355a71b9fb70f1f1977ce726ee5b8d8 sets the pack_id of existing
objects to MAX_PACK_ID. When the same object is referenced later again it is
found in the local object hash. With such a pack_id fast-import should not try
to locate that object in the newly created pack(s).
Signed-off-by: Simon Hausmann <simon@lst.de> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
gitweb.perl - Optionally send archives as .zip files
git-archive already knows how to generate an archive as a tar or a zip
file, but gitweb did not. zip archvies are much more usable in a Windows
environment due to native support and this patch allows a site admin the
option to deliver zip rather than tar files. The selection is done by
inserting
Fix command line parameter parser of revert/cherry-pick
The parser was inconsistently done, in that it did not look at
the last command line parameter to see if it could be an unknown
option, although it was designed to notice unknown options if
they were given in positions the command expects to find them
(i.e. everything except the last parameter, which ought to be
<commit-ish>). This prevented a very natural invocation
builtin-pack-objects: remove unnecessary code for no-delta
As we do not consider objects marked as "no-delta" early, there
is no point to check if the other objects already in the delta
window are marked as such -- "no-delta" objects will not enter
the window to begin with.
git-gui: Tighten internal pattern match for lib/ directory
Our GITGUI_LIBDIR macro was testing only for @@ at the start of
the path, assuming nobody would ever find that to be a reasonable
prefix for a directory to install our library into. That is most
likely a valid assumption, but its even more unlikely they would
have the start be @@GITGUI_ and the end be @@. Note that we
cannot use the full string here because that would get expanded
by the sed replacement in our Makefile.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
While we can easily test the cvs <-> git-cvsserver
communication with :fork: and git-cvsserver server
there are some pserver specifics we should test, too.
Currently this are two tests of the pserver authentication.
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
This teaches pack-objects to use .gitattributes mechanism so
that the user can specify certain blobs are not worth spending
CPU cycles to attempt deltification.
The name of the attrbute is "delta", and when it is set to
false, like this:
== .gitattributes ==
*.jpg -delta
they are always stored in the plain-compressed base object
representation.