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* jk/strbuf-vaddf:
compat: fall back on __va_copy if available
strbuf: add strbuf_vaddf
compat: provide a fallback va_copy definition
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Since an obvious implementation of va_list is to make it a pointer
into the stack frame, implementing va_copy as "dst = src" will work on
many systems. Platforms that use something different (e.g., a size-1
array of structs, to be assigned with *(dst) = *(src)) will need some
other compatibility macro, though.
Luckily, as the glibc manual hints, such systems tend to provide the
__va_copy macro (introduced in GCC in March, 1997). By using that if
it is available, we can cover our bases pretty well.
Discovered by building with CC="gcc -std=c89" on an amd64 machine:
$ make CC=c89 strbuf.o
[...]
strbuf.c: In function 'strbuf_vaddf':
strbuf.c:211:2: error: incompatible types when assigning to type 'va_list'
from type 'struct __va_list_tag *'
make: *** [strbuf.o] Error 1
Explained-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a variable-args function, the code for writing into a strbuf is
non-trivial. We ended up cutting and pasting it in several places
because there was no vprintf-style function for strbufs (which in turn
was held up by a lack of va_copy).
Now that we have a fallback va_copy, we can add strbuf_vaddf, the
strbuf equivalent of vsprintf. And we can clean up the cut and paste
mess.
Signed-off-by: Jeff King <peff@peff.net>
Improved-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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va_copy is C99. We have avoided using va_copy many times in the past,
which has led to a bunch of cut-and-paste. From everything I found
searching the web, implementations have historically either provided
va_copy or just let your code assume that simple assignment of worked.
So my guess is that this will be sufficient, though we won't really
know for sure until somebody reports a problem.
Signed-off-by: Jeff King <peff@peff.net>
Improved-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mm/push-default-advice:
push: better error message when no remote configured
push: better error messages when push.default = tracking
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Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A common scenario is to create a new branch and push it (checkout -b &&
push [--set-upstream]). In this case, the user was getting "The current
branch %s has no upstream branch.", which doesn't help much.
Provide the user a command to push the current branch. To avoid the
situation in the future, suggest --set-upstream.
While we're there, also improve the error message in the "detached HEAD"
case. We mention explicitly "detached HEAD" since this is the keyword to
look for in documentations.
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/maint-instaweb-plack-fix:
git-instaweb: Change how gitweb.psgi is made runnable as standalone app
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According to blog post "FindBin, __FILE__, $0 and PSGI woes"
http://bulknews.typepad.com/blog/2011/02/findbin-__file__-0-and-psgi-woes.html
by Tatsuhiko Miyagawa, using 'if (__FILE__ eq $0)' in .psgi code
(to check if script was run from command line), is not supposed to work
since Plack 0.9971.
Replace it with one of proposed solutions; while at it return $app
explicitely, rather than implicitely by being a last expression.
This affects 'plackup' web server.
While at it cleanup whitespace.
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sp/maint-fd-limit:
sha1_file.c: Don't retain open fds on small packs
mingw: add minimum getrlimit() compatibility stub
Limit file descriptors used by packs
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If a pack file is small enough that its entire contents fits within
one mmap window, mmap the file and then immediately close its file
descriptor. This reduces the number of file descriptors that are
needed to read from repositories with many tiny pack files, such
as one that has received 1000 pushes (and created 1000 small pack
files) since its last repack.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We don't have getrlimit on Windows :( Limit of 2048 taken from MSDN:
http://msdn.microsoft.com/en-us/library/6e3b887c(v=vs.71).aspx
Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
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Rather than using 'errno == EMFILE' after a failed open() call
to indicate the process is out of file descriptors and an LRU
pack window should be closed, place a hard upper limit on the
number of open packs based on the actual rlimit of the process.
By using a hard upper limit that is below the rlimit of the current
process it is not necessary to check for EMFILE on every single
fd-allocating system call. Instead reserving 25 file descriptors
makes it safe to assume the system call won't fail due to being over
the filedescriptor limit. Here 25 is chosen as a WAG, but considers
3 for stdin/stdout/stderr, and at least a few for other Git code
to operate on temporary files. An additional 20 is reserved as it
is not known what the C library needs to perform other services on
Git's behalf, such as nsswitch or name resolution.
This fixes a case where running `git gc --auto` in a repository
with more than 1024 packs (but an rlimit of 1024 open fds) fails
due to the temporary output file not being able to allocate a
file descriptor. The output file is opened by pack-objects after
object enumeration and delta compression are done, both of which
have already opened all of the packs and fully populated the file
descriptor table.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/checkout-orphan-warning:
commit: give final warning when reattaching HEAD to leave commits behind
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You can detach the HEAD at an arbitrary commit in order to browse the
files in various points in the history or build older versions of the
software, without recording any new commit, and come back to an existing
branch. When used in this "sightseer" mode, detached HEAD is a perfectly
safe mechanism. It also is a useful state to experiment with throw-away
commits.
When coming back to an existing branch with "git checkout master",
however, the commits that were created on the detached HEAD will become
unreachable from anywhere but the reflog of the HEAD. Check if the commit
we are about to leave is connected to some ref, and give a final warning
otherwise to remind the user for safety.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jh/maint-do-not-track-non-branches:
branch/checkout --track: Ensure that upstream branch is indeed a branch
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When creating a new branch using the --track option, we must make sure that
we don't try to set an upstream that does not make sense to follow (using
'git pull') or update (using 'git push'). The current code checks against
using HEAD as upstream (since tracking a symref doesn't make sense). However,
tracking a tag doesn't make sense either. Indeed, tracking _any_ ref that is
not a (local or remote) branch doesn't make sense, and should be disallowed.
This patch achieves this by checking that the ref we're trying to --track
resides within refs/heads/* or refs/remotes/*. This new check replaces the
previous check against HEAD.
A couple of testcases are also added, verifying that we cannot create
branches with tags as upstreams.
Finally, some selftests relying on using a non-branch as an upstream have
been reworked or removed:
- t6040: Reverse the meaning of two tests that depend on the ability to
use (lightweight and annotated) tags as upstreams. These two tests were
originally added in commits 1be570f and 57ffc5f, and this patch reverts the
intention of those two commits.
- t7201: Remove part of a test (introduced in 9188ed8) relying on a
non-branch as upstream.
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* fk/maint-cvsimport-early-failure:
git-cvsimport.perl: Bail out right away when reading from the server fails
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If the CVS server is down, this reduced the git-cvsimport output from:
ssh: connect to host ijbswa.cvs.sourceforge.net port 22: Connection refused
Use of uninitialized value $rep in scalar chomp at /usr/local/libexec/git-core/git-cvsimport line 369.
Use of uninitialized value $rep in substitution (s///) at /usr/local/libexec/git-core/git-cvsimport line 370.
Expected Valid-requests from server, but got: <unknown>
to the less noisy:
ssh: connect to host ijbswa.cvs.sourceforge.net port 22: Connection refused
Failed to read from server at /usr/local/libexec/git-core/git-cvsimport line 370.
In this case a silent exit() instead of the die() would probably do,
but I assume that there could be cases where the connection attempt
succeeds, but reading from the server fails for other reasons.
Signed-off-by: Fabian Keil <fk@fabiankeil.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-apply-report-offset:
apply -v: show offset count when patch did not apply exactly
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When the line number the patch intended to touch does not match
the line in the version being patched, GNU patch reports that
it applied the hunk at a different line number, with how big an
offset.
Teach "git apply" to do the same under --verbose option.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-apply-no-double-patch:
apply: do not patch lines that were already patched
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When looking for a place to apply a hunk, we used to check lines that
match the preimage of it, starting from the line that the patch wants to
apply the hunk at, looking forward and backward with increasing offsets
until we find a match.
Colin Guthrie found an interesting case where this misapplied a patch that
wanted to touch a preimage that consists of
}
}
return 0;
}
which is a rather unfortunately common pattern.
The target version of the file originally had only one such location, but
the hunk immediately before that created another instance of such block of
lines, and find_pos() happily reported that the preimage of the hunk
matched what it wanted to modify.
Oops.
By marking the lines application of earlier hunks touched and preventing
match_fragment() from considering them as a match with preimage of other
hunks, we can reduce such an accident.
I also considered to teach apply_one_fragment() to take the offset we have
found while applying the previous hunk into account when looking for a
match with find_pos(), but dismissed that approach, because it would
sometimes work better but sometimes worse, depending on the difference
between the version the patch was created against and the version the
patch is being applied.
This does _not_ prevent misapplication of patches to a file that has many
similar looking blocks of lines and a preimage cannot identify which one
of them should be applied. For that, we would need to scan beyond the
first match in find_pos(), and issue a warning (or error out). That will
be a separate topic.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mr/hpux:
git-compat-util.h: Honor HP C's noreturn attribute
Makefile: add NO_FNMATCH_CASEFOLD to HP-UX section
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HP C for Integrity servers (Itanium) gained support for noreturn
attribute sometime in 2006. It was released in Compiler Version
A.06.10 and made available in July 2006.
The __HP_cc define detects the HP C compiler version. Precede the
__GNUC__ check so it works well when compiling with HP C using -Agcc
option that enables partial support for the GNU C dialect. The -Agcc
defines the __GNUC__ too.
Signed-off-by: Michal Rokos <michal.rokos@nextsoft.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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fnmatch() on HP-UX does not support the GNU FNM_CASEFOLD extension,
so set NO_FNMATCH_CASEFOLD to use the internal fnmatch implementation.
Signed-off-by: Michal Rokos <michal.rokos@nextsoft.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Piotr Krukowiecki <piotr.krukowiecki@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'jk/doc-credits' of git://github.com/peff/git:
docs: point git.txt author credits to git-scm.com
doc: add missing git footers
doc: drop author/documentation sections from most pages
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There is a nice shortlog-ish output of the authors there. We
also point people directly to shortlog, but of course they
might be reading the documentation online or from a binary
package of git.
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Almost every page has a footer that links back to the main
git(1) page. Let's add it on the few that are missing it.
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The point of these sections is generally to:
1. Give credit where it is due.
2. Give the reader an idea of where to ask questions or
file bug reports.
But they don't do a good job of either case. For (1), they
are out of date and incomplete. A much more accurate answer
can be gotten through shortlog or blame. For (2), the
correct contact point is generally git@vger, and even if you
wanted to cc the contact point, the out-of-date and
incomplete fields mean you're likely sending to somebody
useless.
So let's drop the fields entirely from all manpages except
git(1) itself. We already point people to the mailing list
for bug reports there, and we can update the Authors section
to give credit to the major contributors and point to
shortlog and blame for more information.
Each page has a "This is part of git" footer, so people can
follow that to the main git manpage.
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* sp/maint-smart-http-sans-100-continue:
smart-http: Really never use Expect: 100-continue
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libcurl may choose to try and use Expect: 100-continue for
any type of POST, not just a Transfer: chunked-encoding type.
Force it to disable this feature, as not all proxy servers support
100-continue and leaving it enabled can cause 1 second stalls during
the negotiation phase of fetch-pack/upload-pack.
In ("206b099d26 smart-http: Don't use Expect: 100-Continue") we
tried to disable this for only large POST bodies, but it should be
disabled for every POST body.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This change makes it clearer that the change to the history effected by
executing 'git rebase master' while on 'topic' branch, and by executing
'git rebase master topic' on any branch, will be the same; the implicit
checkout of the second form will remain after the rebase exits.
Signed-off-by: Drew Northup <drew.northup@maine.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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7914053 (Remove unused object-ref code, 2008-02-25) removed all uses of
the structure from the code, but forgot to remove the type definition
itself.
Signed-off-by: Jakob Pfender <jpfender@elegosoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* pw/p4:
git-p4: test clone @all
git-p4: fix clone @all regression
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Cloning a p4 depot by default generates a single commit. The use
of the "@all" revision specifier instead tells git-p4 to import
all commits. Check to make sure both these invocations work as
expected.
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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e32e00d (git-p4: better message for "git-p4 sync" when not cloned,
2011-02-19) broke the use of the "@all" revision specifier, e.g.,
git-p4 clone //depot/xxx@all
Fix it as per Tor Arvid's quick patch.
Signed-off-by: Pete Wyckoff <pw@padd.com>
Reported-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Based-on-patch-by: Tor Arvid Lund <torarvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Revert "core.abbrevguard: Ensure short object names stay unique a bit longer"
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This reverts commit 72a5b561fc1c4286bc7c5b0693afc076af261e1f, as adding
fixed number of hexdigits more than necessary to make one object name
locally unique does not help in futureproofing the uniqueness of names
we generate today.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* js/cherry-pick-usability:
Teach commit about CHERRY_PICK_HEAD
bash: teach __git_ps1 about CHERRY_PICK_HEAD
Introduce CHERRY_PICK_HEAD
t3507: introduce pristine-detach helper
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Previously the user was advised to use commit -c CHERRY_PICK_HEAD after
a conflicting cherry-pick. While this would preserve the original
commit's authorship, it would sadly discard cherry-pick's carefully
crafted MERGE_MSG (which contains the list of conflicts as well as the
original commit-id in the case of cherry-pick -x).
On the other hand, if a bare 'commit' were performed, it would preserve
the MERGE_MSG while resetting the authorship.
In other words, there was no way to simultaneously take the authorship
from CHERRY_PICK_HEAD and the commit message from MERGE_MSG.
This change fixes that situation. A bare 'commit' will now take the
authorship from CHERRY_PICK_HEAD and the commit message from MERGE_MSG.
If the user wishes to reset authorship, that must now be done explicitly
via --reset-author.
A side-benefit of passing commit authorship along this way is that we
can eliminate redundant authorship parsing code from revert.c.
(Also removed an unused include from revert.c)
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make the git prompt (when enabled) show a CHERRY-PICKING indicator
when we are in the middle of a conflicted cherry-pick, analogous
to the existing MERGING and BISECTING flags.
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a cherry-pick conflicts git advises:
$ git commit -c <original commit id>
to preserve the original commit message and authorship. Instead, let's
record the original commit id in CHERRY_PICK_HEAD and advise:
$ git commit -c CHERRY_PICK_HEAD
A later patch teaches git to handle the '-c CHERRY_PICK_HEAD' part.
Note that we record CHERRY_PICK_HEAD even in the case where there
are no conflicts so that we may use it to communicate authorship to
commit; this will then allow us to remove set_author_ident_env from
revert.c. However, we do not record CHERRY_PICK_HEAD when --no-commit
is used, as presumably the user intends to further edit the commit
and possibly even cherry-pick additional commits on top.
Tests and documentation contributed by Jonathan Nieder.
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All the tests in t3507 (cherry-pick with conflicts) begin with the
same checkout + read-tree + clean incantation to ensure a predictable
starting point. Factor out a function for that so the interesting
part of the tests is easier to read.
The "update-index --refresh" and "diff-index --exit-code HEAD" are not
necessary as the point of this testsuite is not about testing
"read-tree --reset".
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* js/checkout-untracked-symlink:
do not overwrite untracked symlinks
Demonstrate breakage: checkout overwrites untracked symlink with directory
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Git traditionally overwrites untracked symlinks silently. This will
generally not cause massive data loss, but it is inconsistent with
the behavior for regular files, which are not silently overwritten.
With this change, git refuses to overwrite untracked symlinks by
default. If the user really wants to overwrite the untracked
symlink, he has git-clean and git-checkout -f at his disposal.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This adds tests where an untracked file and an untracked symlink are in the
way where a directory should be created by 'git checkout'. Commit b1735b1a
(do not overwrite files in leading path, 2010-12-14) fixed the case where
a file is in the way, but the untracked symlink is still removed silently.
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* so/submodule-no-update-first-time:
t7406: "git submodule update {--merge|--rebase]" with new submodules
submodule: no [--merge|--rebase] when newly cloned
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