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32 commits

Author SHA1 Message Date
Thomas Rast
d824cbba02 Convert existing die(..., strerror(errno)) to die_errno()
Change calls to die(..., strerror(errno)) to use the new die_errno().

In the process, also make slight style adjustments: at least state
_something_ about the function that failed (instead of just printing
the pathname), and put paths in single quotes.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-06-27 11:14:53 -07:00
Jeff King
57b235a4bc refactor signal handling for cleanup functions
The current code is very inconsistent about which signals
are caught for doing cleanup of temporary files and lock
files. Some callsites checked only SIGINT, while others
checked a variety of death-dealing signals.

This patch factors out those signals to a single function,
and then calls it everywhere. For some sites, that means
this is a simple clean up. For others, it is an improvement
in that they will now properly clean themselves up after a
larger variety of signals.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-21 22:46:53 -08:00
Jeff King
4a16d07272 chain kill signals for cleanup functions
If a piece of code wanted to do some cleanup before exiting
(e.g., cleaning up a lockfile or a tempfile), our usual
strategy was to install a signal handler that did something
like this:

  do_cleanup(); /* actual work */
  signal(signo, SIG_DFL); /* restore previous behavior */
  raise(signo); /* deliver signal, killing ourselves */

For a single handler, this works fine. However, if we want
to clean up two _different_ things, we run into a problem.
The most recently installed handler will run, but when it
removes itself as a handler, it doesn't put back the first
handler.

This patch introduces sigchain, a tiny library for handling
a stack of signal handlers. You sigchain_push each handler,
and use sigchain_pop to restore whoever was before you in
the stack.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-21 22:46:52 -08:00
Brandon Casey
f285a2d7ed Replace calls to strbuf_init(&foo, 0) with STRBUF_INIT initializer
Many call sites use strbuf_init(&foo, 0) to initialize local
strbuf variable "foo" which has not been accessed since its
declaration. These can be replaced with a static initialization
using the STRBUF_INIT macro which is just as readable, saves a
function call, and takes up fewer lines.

Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2008-10-12 12:36:19 -07:00
André Goddard Rosa
d6617c7cde Error out when user doesn't have access permission to the repository
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
2007-11-30 13:10:11 -08:00
René Scharfe
659c69cfef Add strchrnul()
As suggested by Pierre Habouzit, add strchrnul().  It's a useful GNU
extension and can simplify string parser code.  There are several
places in git that can be converted to strchrnul(); as a trivial
example, this patch introduces its usage to builtin-fetch--tool.c.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-11-09 01:30:07 -08:00
Shawn O. Pearce
538dfe7397 Improved const correctness for strings
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-21 01:43:27 -04:00
Shawn O. Pearce
f5bf6feb05 Merge branch 'maint'
* maint:
  Further 1.5.3.5 fixes described in release notes
  Avoid invoking diff drivers during git-stash
  attr: fix segfault in gitattributes parsing code
  Define NI_MAXSERV if not defined by operating system
  Ensure we add directories in the correct order
  Avoid scary errors about tagged trees/blobs during git-fetch
2007-10-19 01:18:55 -04:00
Linus Torvalds
42a32174b6 Avoid scary errors about tagged trees/blobs during git-fetch
Ok, what is going on is:

 - append_fetch_head() looks up the SHA1 for all heads (including tags):

        if (get_sha1(head, sha1))
                return error("Not a valid object name: %s", head);

 - it then wants to check if it's a candidate for merging (because
   fetching also does the whole "list which heads to merge" in case
   it is going to be part of a "pull"):

        commit = lookup_commit_reference(sha1);
        if (!commit)
                not_for_merge = 1;

 - and that "lookup_commit_reference()" is just very vocal about the
   case where it fails. It really shouldn't be, and it shouldn't
   affect the actual end result, but that basically explains why
   you get that scary warning.

In short, the warning is just bogus, and should be harmless, but
I agree that it's ugly. I think the appended patch should fix it.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-18 20:37:52 -04:00
Pierre Habouzit
b315c5c081 strbuf change: be sure ->buf is never ever NULL.
For that purpose, the ->buf is always initialized with a char * buf living
in the strbuf module. It is made a char * so that we can sloppily accept
things that perform: sb->buf[0] = '\0', and because you can't pass "" as an
initializer for ->buf without making gcc unhappy for very good reasons.

strbuf_init/_detach/_grow have been fixed to trust ->alloc and not ->buf
anymore.

as a consequence strbuf_detach is _mandatory_ to detach a buffer, copying
->buf isn't an option anymore, if ->buf is going to escape from the scope,
and eventually be free'd.

API changes:
  * strbuf_setlen now always works, so just make strbuf_reset a convenience
    macro.
  * strbuf_detatch takes a size_t* optional argument (meaning it can be
    NULL) to copy the buffer's len, as it was needed for this refactor to
    make the code more readable, and working like the callers.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-09-29 02:13:33 -07:00
Pierre Habouzit
182af8343c Use xmemdupz() in many places.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-09-18 17:42:17 -07:00
Pierre Habouzit
ba3ed09728 Now that cache.h needs strbuf.h, remove useless includes.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-09-16 17:30:03 -07:00
Pierre Habouzit
b655d46bb2 Use strbuf_read in builtin-fetch-tool.c.
xrealloc.use --;

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-09-10 12:50:28 -07:00
Carlos Rica
3d9f037c60 Function for updating refs.
A function intended to be called from builtins updating refs
by locking them before write, specially those that came from
scripts using "git update-ref".

[jc: with minor fixups]

Signed-off-by: Carlos Rica <jasampler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-09-05 11:29:33 -07:00
Peter Hagervall
baffc0e770 Make every builtin-*.c file #include "builtin.h"
Make every builtin-*.c file #include "builtin.h".

Also takes care of some declaration/definition mismatches.

Signed-off-by: Peter Hagervall <hager@cs.umu.se>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-07-14 22:44:09 -07:00
Junio C Hamano
063581e9b6 Merge branch 'sv/checkout'
* sv/checkout:
  git-update-ref: add --no-deref option for overwriting/detaching ref
2007-05-20 02:18:47 -07:00
Johan Herland
8a912bcb25 Ensure return value from xread() is always stored into an ssize_t
This patch fixes all calls to xread() where the return value is not
stored into an ssize_t. The patch should not have any effect whatsoever,
other than putting better/more appropriate type names on variables.

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-05-15 21:16:03 -07:00
Sven Verdoolaege
68db31cc28 git-update-ref: add --no-deref option for overwriting/detaching ref
git-checkout is also adapted to make use of this new option
instead of the handcrafted command sequence.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-05-10 15:24:44 -07:00
Junio C Hamano
39231b1c32 Merge branch 'maint'
* maint:
  http.c: Fix problem with repeated calls of http_init
  Add missing reference to GIT_COMMITTER_DATE in git-commit-tree documentation
  Fix import-tars fix.
  Update .mailmap with "Michael"
  Do not barf on too long action description
  Catch empty pathnames in trees during fsck
  Don't allow empty pathnames in fast-import
  import-tars: be nice to wrong directory modes
  git-svn: Added 'find-rev' command
  git shortlog documentation: add long options and fix a typo
2007-04-29 01:52:43 -07:00
Junio C Hamano
4e6380e5c3 Do not barf on too long action description
Reflog message is primarily about easier identification, and
leaving truncated entry is much better than dying.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-29 01:33:13 -07:00
OGAWA Hirofumi
afb5f39e24 git-fetch: Fix "argument list too long"
If $ls_remote_result was too long,

    git-fetch--tool -s pick-rref "$rref" "$ls_remote_result"

in git-fetch will fail with "argument list too long".

This patch fixes git-fetch--tool and git-fetch by passing
$ls_remote_result via stdin.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-24 00:08:01 -07:00
Junio C Hamano
895a1d1e57 git-fetch--tool pick-rref
This script helper takes list of fully qualified refnames and
results from ls-remote and grabs only the lines for the named
refs from the latter.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-04-10 12:55:56 -07:00
Junio C Hamano
855b34680e builtin-fetch--tool: fix reflog notes.
Also the verbose output had unnecessary SHA1 and not-for-merge markers
leaked because append_fetch_head() cheated

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-28 17:02:18 -08:00
Junio C Hamano
e6eebbb3ae git-fetch: retire update-local-ref which is not used anymore.
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-28 17:01:00 -08:00
Junio C Hamano
c7d68c8000 builtin-fetch--tool: make sure not to overstep ls-remote-result buffer.
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-27 23:51:48 -08:00
Junio C Hamano
dec56c8cf1 fetch--tool: fix uninitialized buffer when reading from stdin
The original code allocates too much space and forgets to NUL
terminate the string.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-27 16:12:23 -08:00
Junio C Hamano
dcf01c6e6b builtin-fetch--tool: adjust to updated sha1_object_info().
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-27 02:39:51 -08:00
Julian Phillips
46ce8b6d2a Allow fetch--tool to read from stdin
If the reflist is "-" then read the reflist data from stdin instead,
this will allow the passing of more than 128K of reflist data - which
won't fit in the environment passed by execve.

Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-13 21:43:53 -08:00
Junio C Hamano
86551586da git-fetch: rewrite expand_ref_wildcard in C
This does not seem to make measurable improvement when dealing
with 1000 unpacked refs, but we would need something like it
if we were to do a full rewrite in C somedaoy.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-13 21:43:53 -08:00
Junio C Hamano
d1e0ef6cc8 git-fetch: rewrite another shell loop in C
Move another shell loop that canonicalizes the list of refs for
underlying git-fetch-pack and fetch-native-store into C.

This seems to shave the runtime for the same 1000 branch
repository from 30 seconds down to 15 seconds (it used to be 2
and half minutes with the original version).

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-13 21:43:53 -08:00
Junio C Hamano
fbe2687eba git-fetch: move more code into C.
This adds "native-store" subcommand to git-fetch--tool to
move a huge loop implemented in shell into C.  This shaves about
70% of the runtime to fetch and update 1000 tracking branches
with a single fetch.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-13 21:43:53 -08:00
Junio C Hamano
d4289fff87 git-fetch--tool: start rewriting parts of git-fetch in C.
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-13 21:43:52 -08:00