Commit Graph

17912 Commits

Author SHA1 Message Date
Michael J Gruber
db75ada559 git submodule: Fix adding of submodules at paths with ./, .. and //
Make 'git submodule add' normalize the submodule path in the
same way as 'git ls-files' does, so that 'git submodule init' looks up
the information in .gitmodules with the same key under which 'git
submodule add' stores it.

This fixes 4 known breakages.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-03 21:46:09 -08:00
Michael J Gruber
ac8463d2b4 git submodule: Add test cases for git submodule add
Add simple test cases for adding and initialising submodules. The
init step is necessary in order to verify the added information.

The second test exposes a known breakage due to './' in the path: git
ls-files simplifies the path but git add does not, which leads to git
init looking for different lines in .gitmodules than git add adds.

The other tests add test cases for '//' and '..' in the path which
currently fail for the same reason.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-03 21:46:09 -08:00
Mike Ralphson
a1070d4cbb Documentation: Typo / spelling / formatting fixes
Signed-off-by: Mike Ralphson <mike@abacus.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-03 21:43:19 -08:00
Mike Ralphson
5a4aaaf3aa Documentation: Expand a couple of abbreviations
These may not be obvious to non-native English speakers

Signed-off-by: Mike Ralphson <mike@abacus.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-03 21:42:44 -08:00
Mike Ralphson
c0bc2eeb1e Documentation: Typos / spelling fixes in RelNotes
Signed-off-by: Mike Ralphson <mike@abacus.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-03 21:40:36 -08:00
Roy Lee
8d1b9d23a0 Documentation/git-archive.txt: Note attributes
Signed-off-by: Roy Lee <roylee17@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-03 20:16:49 -08:00
Jeff King
dfa7a6c579 clone: run post-checkout hook when checking out
The mental model for clone is that the branch is "checked
out" (and it even says this in Documentation/git-clone.txt:
"...creates and checks out an initial branch"). Therefore it
is reasonable for users to expect that any post-checkout
hook would be run.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 23:50:44 -08:00
Jay Soffian
c1f2aa45b7 send-email: add --confirm option and configuration setting
send-email violates the principle of least surprise by automatically
cc'ing additional recipients without confirming this with the user.

This patch teaches send-email a --confirm option. It takes the
following values:

 --confirm=always   always confirm before sending
 --confirm=never    never confirm before sending
 --confirm=cc       confirm before sending when send-email has
                    automatically added addresses from the patch to
                    the Cc list
 --confirm=compose  confirm before sending the first message when
                    using --compose. (Needed to maintain backwards
                    compatibility with existing behavior.)
 --confirm=auto     'cc' + 'compose'

If sendemail.confirm is unconfigured, the option defaults to 'compose'
if any suppress-Cc related options have been used, otherwise it defaults
to 'auto'.

Unfortunately, it is impossible to introduce this patch such that it
helps new users without potentially annoying some existing users. We
attempt to mitigate the latter by:

 * Allowing the user to set 'git config sendemail.confirm never'
 * Allowing the user to say 'all' after the first prompt to not be
   prompted on remaining emails during the same invocation.
 * Telling the user about the 'sendemail.confirm' setting if it is
   unconfigured whenever we prompt due to Cc before sending.
 * Only prompting if no --suppress related options have been passed, as
   using such an option is likely to indicate an experienced send-email
   user.

There is a slight fib in message informing the user of the
sendemail.confirm setting and this is intentional. Setting 'auto'
differs from leaving sendemail.confirm unset in two ways: 1) 'auto'
obviously squelches the informational message; 2) 'auto' prompts when
the Cc list has been expanded even in the presence of a --suppress
related option, where leaving sendemail.confirm unset does not. This is
intentional to keep the message simple, and to avoid adding another
sendemail.confirm value ('auto-except-suppress'?).

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 23:46:53 -08:00
Tor Arne Vestbø
a334e1254c git-pull: Allow --stat and --no-stat to be used with --rebase
Forwards the --stat, --no-stat, and --summary options on to git-rebase.

Signed-off-by: Tor Arne Vestbø <torarnv@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 23:22:54 -08:00
Tor Arne Vestbø
a9c3821ca2 git-rebase: Add --stat and --no-stat for producing diffstat on rebase
The behavior of --verbose is unchanged, but uses a different state
variable internally, so that the meaning of verbose output may be
expanded without affecting the diffstat. This is also reflected in
the documentation.

The configuration option rebase.stat works the same was as merg.stat,
but the default is currently false.

Signed-off-by: Tor Arne Vestbø <torarnv@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 23:22:32 -08:00
Thomas Rast
3e0c4ffdbd send-email: respect in-reply-to regardless of threading
git-send-email supports the --in-reply-to option even with
--no-thread.  However, the code that adds the relevant mail headers
was guarded by a test for --thread.

Remove the test, so that the user's choice is respected.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 23:15:47 -08:00
René Scharfe
56384e61ea optimize compat/ memmem()
When memmem() was imported from glibc 2.2 into compat/, an optimization
was dropped in the process, in order to make the code smaller and simpler.
It was OK because memmem() wasn't used in performance-critical code.  Now
the situation has changed and we can benefit from this optimization.

The trick is to avoid calling memcmp() if the first character of the needle
already doesn't match.  Checking one character directly is much cheaper
than the function call overhead.  We keep the first character of the needle
in the variable named point and the rest in the one named tail.

The following commands were run in a Linux kernel repository and timed, the
best of five results is shown:

  $ STRING='Ensure that the real time constraints are schedulable.'
  $ git log -S"$STRING" HEAD -- kernel/sched.c >/dev/null

On Windows Vista x64, before:

  real    0m8.470s
  user    0m0.000s
  sys     0m0.000s

And after the patch:

  real    0m1.887s
  user    0m0.000s
  sys     0m0.000s

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 18:28:06 -08:00
René Scharfe
ce163c793d diffcore-pickaxe: use memmem()
Use memmem() instead of open-coding it.  The system libraries usually have a
much faster version than the memcmp()-loop here.  Even our own fall-back in
compat/, which is used on Windows, is slightly faster.

The following commands were run in a Linux kernel repository and timed, the
best of five results is shown:

  $ STRING='Ensure that the real time constraints are schedulable.'
  $ git log -S"$STRING" HEAD -- kernel/sched.c >/dev/null

On Ubuntu 8.10 x64, before (v1.6.2-rc2):

  8.09user 0.04system 0:08.14elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
  0inputs+0outputs (0major+30952minor)pagefaults 0swaps

And with the patch:

  1.50user 0.04system 0:01.54elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
  0inputs+0outputs (0major+30645minor)pagefaults 0swaps

On Fedora 10 x64, before:

  8.34user 0.05system 0:08.39elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
  0inputs+0outputs (0major+29268minor)pagefaults 0swaps

And with the patch:

  1.15user 0.05system 0:01.20elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
  0inputs+0outputs (0major+32253minor)pagefaults 0swaps

On Windows Vista x64, before:

  real    0m9.204s
  user    0m0.000s
  sys     0m0.000s

And with the patch:

  real    0m8.470s
  user    0m0.000s
  sys     0m0.000s

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 18:28:03 -08:00
David J. Mellor
1d035f8564 Documentation: minor grammatical fixes.
The final hunk in this patch corrects what appears to be a typo:

of --> or

Signed-off-by: David J. Mellor <dmellor@whistlingcat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 12:34:56 -08:00
David J. Mellor
a7d64b52da Documentation: minor grammatical fixes.
Signed-off-by: David J. Mellor <dmellor@whistlingcat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 12:34:54 -08:00
David J. Mellor
07f5746fb5 Documentation: minor grammatical fixes.
Signed-off-by: David J. Mellor <dmellor@whistlingcat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-02 12:34:53 -08:00
Johannes Sixt
2559bff32c t3400-rebase: Move detached HEAD check earlier
Short story: There is a section in t3400 that tests fundamental rebase
properties.  3ec7371f (Add two extra tests for git rebase, 2009-02-09)
added a check that rebase works on a detached HEAD, but the test was put
near the end of the file.  This moves it to a more suitable place.

Long story: The test that preceded the one in question tests that a
rebased commit degrades from a content change with mode change to a
mere mode change.  But on Windows, where we have core.filemode=false,
the original commit did not record the mode change, and so the rebase
operation did not rebase anything.  This caused the subsequent detached
HEAD test to fail.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-01 23:58:41 -08:00
Junio C Hamano
f8c62880ef Merge git://git.kernel.org/pub/scm/gitk/gitk
* git://git.kernel.org/pub/scm/gitk/gitk:
  gitk: Fix possible infinite loop and display corruption
2009-03-01 22:20:52 -08:00
Paul Mackerras
52b8ea934e gitk: Fix possible infinite loop and display corruption
This fixes an issue reported by Johannes Sixt on the git mailing list:

> This recipe sends gitk into an endless loop. In git.git do:
>
> cd t
> # remove chmod a+x A near the end of the file
> sed -i 's/chmod/: chmod/' t3400-rebase.sh
> sh t3400-rebase.sh --debug
> cd trash\ directory.t3400-rebase/
> gitk master modechange modechange@{1}
>
>
> I briefly see the history chart, but the dot that should be modechange@{1}
> is missing. One automatically selected commit is shown in the diff section
> below. But then the commit list is cleared and gitk goes into an infinite
> loop.
>
> Things work alright if either modechange@{1} is dropped, or the 'chmod'
> line is left unchanged, which is a bit strange.
>
> This is with git version 1.6.1.2.390.gba743

There were actually two problems.  This recipe created a situation where
git log would output a child commit after its parent.  This meant that
we called fix_reversal which called splitvarc, which should call modify_arc
to note the fact that it has modified the arc that it has just split.  It
wasn't, which meant that displayorder and other variables got into an
inconsistent state (a commit appearing twice in displayorder).

This then meant that the targetrow/targetid logic in drawvisible thought
it need to redraw each time.  That, together with the fact that drawvisible
called drawcommits which called drawvisible if a redraw was needed, led
to the infinite loop.

In fact drawvisible is now the only caller of drawcommits.  Thus, the
start and end row arguments to drawcommits always encompass the whole
visible area, so drawcommits doesn't need to call drawvisible to redraw;
it just needs to clear the screen and draw what it's been asked to.

This fixes these two problems by adding a call to modify_arc in
splitvarc and by taking out the call to drawvisible in drawcommits.
It also removes an unrelated left-over debugging puts in external_blame.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2009-03-02 09:38:17 +11:00
Junio C Hamano
f474c52661 Merge branch 'jc/maint-1.6.0-pack-directory'
* jc/maint-1.6.0-pack-directory:
  Fix odb_mkstemp() on AIX
2009-02-28 16:31:02 -08:00
Junio C Hamano
12ef3d8439 Merge branch 'maint'
* maint:
  Documentation: minor grammatical fixes.
  added missing backtick in git-apply.txt
2009-02-28 14:39:56 -08:00
David J. Mellor
dcc901bc29 Documentation: minor grammatical fixes.
Signed-off-by: David J. Mellor <dmellor@whistlingcat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 14:39:33 -08:00
Elijah Newren
272459a3b8 Ensure proper setup of git_dir for git-hash-object
Call setup_git_directory() before git_config() to make sure git_dir is set
to the proper value.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 14:09:46 -08:00
Junio C Hamano
325e9bca37 Merge branch 'maint-1.6.0' into maint
* maint-1.6.0:
  added missing backtick in git-apply.txt
2009-02-28 14:05:09 -08:00
Danijel Tasov
eb006ccfca added missing backtick in git-apply.txt
Signed-off-by: Danijel Tasov <dt@korn.shell.la>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 13:10:16 -08:00
Todd Zullinger
749485f622 git-rebase: Update --whitespace documentation
The parameters accepted by the --whitespace option of "git apply" have
changed over time, and the documentation for "git rebase" was out of
sync.  Remove the specific parameter list from the "git rebase"
documentation and simply point to the "git apply" documentation for
details, as is already done in the "git am" documentation.

Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 11:47:25 -08:00
Junio C Hamano
69e020ae00 is_kept_pack(): final clean-up
Now is_kept_pack() is just a member lookup into a structure, we can write
it as such.

Also rewrite the sole caller of has_sha1_kept_pack() to switch on the
criteria the callee uses (namely, revs->kept_pack_only) between calling
has_sha1_kept_pack() and has_sha1_pack(), so that these two callees do not
have to take a pointer to struct rev_info as an argument.

This removes the header file dependency issue temporarily introduced by
the earlier commit, so we revert changes associated to that as well.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 01:06:06 -08:00
Junio C Hamano
03a9683d22 Simplify is_kept_pack()
This removes --unpacked=<packfile> parameter from the revision parser, and
rewrites its use in git-repack to pass a single --kept-pack-only option
instead.

The new --kept-pack-only option means just that.  When this option is
given, is_kept_pack() that used to say "not on the --unpacked=<packfile>
list" now says "the packfile has corresponding .keep file".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 01:06:06 -08:00
Junio C Hamano
386cb77210 Consolidate ignore_packed logic more
This refactors three loops that check if a given packfile is on the
ignore_packed list into a function is_kept_pack().  The function returns
false for a pack on the list, and true for a pack not on the list, because
this list is solely used by "git repack" to pass list of packfiles that do
not have corresponding .keep files, i.e. a packfile not on the list is
"kept".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 01:06:06 -08:00
Junio C Hamano
b8431b033f has_sha1_kept_pack(): take "struct rev_info"
Its "ignore_packed" parameter always comes from struct rev_info.  This
patch makes the function take a pointer to the surrounding structure, so
that the refactoring in the next patch becomes easier to review.

There is an unfortunate header file dependency and the easiest workaround
is to temporarily move the function declaration from cache.h to
revision.h; this will be moved back to cache.h once the function loses
this "ignore_packed" parameter altogether in the later part of the
series.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 01:06:06 -08:00
Junio C Hamano
cd673c1f17 has_sha1_pack(): refactor "pretend these packs do not exist" interface
Most of the callers of this function except only one pass NULL to its last
parameter, ignore_packed.

Introduce has_sha1_kept_pack() function that has the function signature
and the semantics of this function, and convert the sole caller that does
not pass NULL to call this new function.

All other callers and has_sha1_pack() lose the ignore_packed parameter.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 01:06:06 -08:00
Junio C Hamano
2478dc84b5 git-repack: resist stray environment variable
The script used $args and $existing without initializing it to empty.  It
would have been confused by an environment variable the end user had
before running it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-28 01:06:05 -08:00
Ben Walton
736e619a1b git-svn - return original format_svn_date semantics
When %z was removed from the strftime call and subsituted with a
local gmt offset calculation, time() was no longer the default for
all time functions as it was with the previous localtime(shift).
This is now corrected so that format_svn_time behaves as it used to.

Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 21:53:43 -08:00
Eric Wong
48679e5c2d git-svn: disable broken symlink workaround by default
Even though this will break things for some extremely rare repositories
used by broken Windows clients, it's probably not worth enabling this by
default as it has negatively affected many more users than it has helped
from what we've seen so far.

The extremely rare repositories that have broken symlinks in them will be
silently corrupted in import; but users can still reenable this option and
restart the import.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 21:53:09 -08:00
Junio C Hamano
48fce93565 Merge branch 'cc/maint-1.6.0-bisect-fix'
* cc/maint-1.6.0-bisect-fix:
  bisect: fix another instance of eval'ed string

Conflicts:
	git-bisect.sh
2009-02-27 16:00:33 -08:00
Jay Soffian
e5dcbfd9ab builtin-remote: new show output style for push refspecs
The existing output of "git remote show <remote>" with respect to push
ref specs is basically just to show the raw refspec. This patch teaches
the command to interpret the refspecs and show how each branch will be
pushed to the destination. The output gives the user an idea of what
"git push" should do if it is run w/o any arguments.

Example new output:

1a. Typical output with no push refspec (i.e. matching branches only)

$ git remote show origin
* remote origin
  [...]
  Local refs configured for 'git push':
    master pushes to master (up to date)
    next   pushes to next   (local out of date)

1b. Same as above, w/o querying the remote:

$ git remote show origin -n
* remote origin
  [...]
  Local ref configured for 'git push' (status not queried):
    (matching) pushes to (matching)

2a. With a forcing refspec (+), and a new topic
    (something like push = refs/heads/*:refs/heads/*):

$ git remote show origin
* remote origin
  [...]
  Local refs configured for 'git push':
    master     pushes to master    (fast forwardable)
    new-topic  pushes to new-topic (create)
    next       pushes to next      (local out of date)
    pu         forces to pu        (up to date)

2b. Same as above, w/o querying the remote

$ git remote show origin -n
* remote origin
  [...]
  Local refs configured for 'git push' (status not queried):
    master     pushes to master
    new-topic  pushes to new-topic
    next       pushes to next
    pu         forces to pu

3. With a remote configured as a mirror:

* remote backup
  [...]
  Local refs will be mirrored by 'git push'

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:42 -08:00
Jay Soffian
7ecbbf877c builtin-remote: new show output style
The existing output of "git remote show <remote>" is too verbose for the
information it provides. This patch teaches it to provide more
information in less space.

The output for push refspecs is addressed in the next patch.

Before the patch:

$ git remote show origin
* remote origin
  URL: git://git.kernel.org/pub/scm/git/git.git
  HEAD branch: master
  Remote branch merged with 'git pull' while on branch master
    master
  Remote branch merged with 'git pull' while on branch next
    next
  Remote branches merged with 'git pull' while on branch octopus
    foo bar baz frotz
  New remote branch (next fetch will store in remotes/origin)
    html
  Stale tracking branch (use 'git remote prune')
    bogus
  Tracked remote branches
    maint
    man
    master
    next
    pu
    todo

After this patch:

$ git remote show origin
* remote origin
  URL: git://git.kernel.org/pub/scm/git/git.git
  HEAD branch: master
  Remote branches:
    bogus  stale (use 'git remote prune' to remove)
    html   new (next fetch will store in remotes/origin)
    maint  tracked
    man    tracked
    master tracked
    next   tracked
    pu     tracked
    todo   tracked
  Local branches configured for 'git pull':
    master  rebases onto remote master
    next    rebases onto remote next
    octopus  merges with remote foo
                and with remote bar
                and with remote baz
                and with remote frotz

$ git remote show origin -n
* remote origin
  URL: git://git.kernel.org/pub/scm/git/git.git
  HEAD branch: (not queried)
  Remote branches: (status not queried)
    bogus
    maint
    man
    master
    next
    pu
    todo
  Local branches configured for 'git pull':
    master  rebases onto remote master
    next    rebases onto remote next
    octopus  merges with remote foo
                and with remote bar
                and with remote baz
                and with remote frotz

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:42 -08:00
Jeff King
fbb074c253 remote: make guess_remote_head() use exact HEAD lookup if it is available
Our usual method for determining the ref pointed to by HEAD
is to compare HEAD's sha1 to the sha1 of all refs, trying to
find a unique match.

However, some transports actually get to look at HEAD
directly; we should make use of that information when it is
available.  Currently, only http remotes support this
feature.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:23 -08:00
Jay Soffian
bc14fac825 builtin-remote: add set-head subcommand
Provide a porcelain command for setting and deleting
$GIT_DIR/remotes/<remote>/HEAD.

While we're at it, document what $GIT_DIR/remotes/<remote>/HEAD is all
about.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:09 -08:00
Jay Soffian
e61e0cc6b7 builtin-remote: teach show to display remote HEAD
This is in preparation for teaching remote how to set
refs/remotes/<remote>/HEAD to match what HEAD is set to at <remote>, but
is useful in its own right.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:09 -08:00
Jay Soffian
3bd925636c builtin-remote: fix two inconsistencies in the output of "show <remote>"
Remote and stale branches are emitted in alphabetical order, but new and
tracked branches are not. So sort the latter to be consistent with the
former. This also lets us use more efficient string_list_has_string()
instead of unsorted_string_list_has_string().

"show <remote>" prunes symrefs, but "show <remote> -n" does not. Fix the
latter to match the former.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:09 -08:00
Jay Soffian
cca7c97e37 builtin-remote: make get_remote_ref_states() always populate states.tracked
When not querying the remote, show() was having to populate
states.tracked itself. It makes more sense for get_remote_ref_states()
to do this consistently. Since show() is the only caller of
get_remote_ref_states() with query=0, this change does not affect
other callers.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:09 -08:00
Jay Soffian
e0cc81e63c builtin-remote: rename variables and eliminate redundant function call
- The variable name "remote" is used as both a "char *" and as a "struct
  remote *"; this is confusing, so rename the former to remote_name.

- Consistently refer to the refs returned by transport_get_remote_refs()
  as remote_refs.

- There is no need to call "sort_string_list(&branch_list)" as
  branch_list is populated via string_list_insert(), which maintains its
  order.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:08 -08:00
Jay Soffian
7b9a5e276c builtin-remote: remove unused code in get_ref_states
get_ref_states() populates the util pointer of the string_list_item's
that it adds to states->new and states->tracked, but nothing ever uses
the pointer, so we can get rid of the extra code.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:08 -08:00
Jay Soffian
8873323561 builtin-remote: refactor duplicated cleanup code
This patch moves identical lines of code into a cleanup function. The
function has two callers and is about to gain a third.

Also removed a bogus NEEDSWORK comment per Daniel Barkalow:

  Actually, the comment is wrong; "remote" comes from remote_get(),
  which returns things from a cache in remote.c; there could be a
  remote_put() to let the code know that the caller is done with the
  object, but it wouldn't presently do anything.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:08 -08:00
Jay Soffian
c6f5a7a916 string-list: new for_each_string_list() function
Add a convenience function for iterating over a string_list's items via
a callback.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:08 -08:00
Jay Soffian
5f48cb95aa remote: make match_refs() not short-circuit
match_refs() returns non-zero if there is an error in
match_explicit_refs(), without handling any remaining pattern ref specs.

Its existing callers exit upon receiving non-zero, so a partial result
is of no consequence to them; however a new caller, builtin-remote, is
interested in the complete result even if there are errors in
match_explicit_refs().

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:08 -08:00
Jay Soffian
cdf690e53b remote: make match_refs() copy src ref before assigning to peer_ref
In some instances, match_refs() sets the peer_ref field of refs in the
dst list such that it points to a ref in the src list. This prevents
callers from freeing both the src and dst lists, as doing so would cause
a double-free since free_refs() frees the peer_ref.

As well, the following configuration causes two refs in the dst list to
have the same peer_ref, which can also lead to a double-free:

  push = refs/heads/master:refs/heads/backup
  push = refs/heads/master:refs/heads/master

Existing callers of match_heads() call it only once and then terminate,
w/o ever bothering to free the src or dst lists, so this is not
currently a problem.

This patch modifies match_refs() to first copy any refs it plucks from
the src list before assigning them as a peer_ref. This allows
builtin-remote, a future caller, to free the src and dst lists.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:19:08 -08:00
Jay Soffian
4229f1fa32 remote: let guess_remote_head() optionally return all matches
Determining HEAD is ambiguous since it is done by comparing SHA1s.

In the case of multiple matches we return refs/heads/master if it
matches, else we return the first match we encounter. builtin-remote
needs all matches returned to it, so add a flag for it to request such.

To be simple and consistent, the return value is now a copy (including
peer_ref) of the matching refs.

Originally contributed by Jeff King along with the prior commit as a
single patch.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:08:17 -08:00
Jay Soffian
7b3db095d5 remote: make copy_ref() perform a deep copy
To ensure that copied refs can always be freed w/o causing a
double-free, make copy_ref() perform a deep copy.

Also have copy_ref() return NULL if asked to copy NULL to simplify
things for the caller.

Background: currently copy_ref() performs a shallow copy. This is fine
for current callers who never free the result and/or only copy refs
which contain NULL pointers. But copy_ref() is about to gain a new
caller (guess_remote_head()) which copies refs where peer_ref is not
NULL and the caller of guess_remote_head() will want to free the result.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-27 15:08:08 -08:00