The word-diff logic accumulates + and - lines until another line type
appears (normally [ @\]), at which point it generates the word diff.
This is usually correct, but it breaks when the preimage does not have
a newline at EOF:
$ printf "%s" "a a a" >a
$ printf "%s\n" "a ab a" >b
$ git diff --no-index --word-diff a b
diff --git 1/a 2/b
index 9f68e94..6a7c02f 100644
--- 1/a
+++ 2/b
@@ -1 +1 @@
[-a a a-]
No newline at end of file
{+a ab a+}
Because of the order of the lines in a unified diff
@@ -1 +1 @@
-a a a
\ No newline at end of file
+a ab a
the '\' line flushed the buffers, and the - and + lines were never
matched with each other.
A proper fix would defer such markers until the end of the hunk.
However, word-diff is inherently whitespace-ignoring, so as a cheap
fix simply ignore the marker (and hide it from the output).
We use a prefix match for '\ ' to parallel the logic in
apply.c:parse_fragment(). We currently do not localize this string
(just accept other variants of it in git-apply), but this should be
future-proof.
Noticed-by: Ivan Shirokoff <shirokoff@yandex-team.ru>
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The tightening done in (ee27ca4a: archive: don't let remote clients
get unreachable commits, 2011-11-17) went too far and disallowed
HEAD:Documentation as it would try to find "HEAD:Documentation" as a
ref.
Only DWIM the "HEAD" part to see if it exists as a ref. Once we're
sure that we've been given a valid ref, we follow the normal code
path. This still disallows attempts to access commits which are not
branch tips.
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This function frees the individual "struct match_attr"s we
have allocated, but forgot to free the array holding their
pointers, leading to a minor memory leak (but it can add up
after checking attributes for paths in many directories).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Expose the cherry-picking machinery through a public
sequencer_pick_revisions() (renamed from pick_revisions() in
builtin/revert.c), so that cherry-picking and reverting are special
cases of a general sequencer operation. The cherry-pick builtin is
now a thin wrapper that does command-line argument parsing before
calling into sequencer_pick_revisions(). In the future, we can write
a new "foo" builtin that calls into the sequencer like:
memset(&opts, 0, sizeof(opts));
opts.action = REPLAY_FOO;
opts.revisions = xmalloc(sizeof(*opts.revs));
parse_args_populate_opts(argc, argv, &opts);
init_revisions(opts.revs);
sequencer_pick_revisions(&opts);
This patch does not intend to make any functional changes. Check
with:
$ git blame -s -C HEAD^..HEAD -- sequencer.c | grep -C3 '^[^^]'
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
REVERT and CHERRY_PICK and are unsuitable names for an enumerator in a
public interface, because they are generic enough to be likely to
clash with identifiers with other meanings. Rename to REPLAY_REVERT
and REPLAY_PICK as preparation for exposing them.
Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Due to MSYS path mangling GIT_DIR contains a Windows-style path when
checked inside a Perl script even if GIT_DIR was previously set to an
MSYS-style path in a shell script. So explicitly convert to an MSYS-style
path before calling Perl's rel2abs() to make it work.
This fix was inspired by a very similar patch in WebKit:
http://trac.webkit.org/changeset/76255/trunk/Tools/Scripts/commit-log-editor
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Tested-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
For details, see the commit message of 4114156ae9. Note that while using
$PWD as part of GIT_DIR is not required here, it does no harm and it is
more consistent. In addition, on MSYS using an environment variable should
be slightly faster than spawning an external executable.
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
unix_stream_connect and unix_stream_listen return -1 on error, with
errno set by the failing underlying call to allow the caller to write
a useful diagnosis.
Unfortunately the error path involves a few system calls itself, such
as close(), that can themselves touch errno.
This is not as worrisome as it might sound. If close() fails, this
just means substituting one meaningful error message for another,
which is perfectly fine. However, when the call _succeeds_, it is
allowed to (and sometimes might) clobber errno along the way with some
undefined value, so it is good higiene to save errno and restore it
immediately before returning to the caller. Do so.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Since its very first description of -k, the documentation for
git-mailinfo claimed that (in the case without -k) after cleaning up
bracketed strings [blah], it would insert [PATCH].
It doesn't; on the contrary, one of the important jobs of mailinfo is
to remove those strings.
Since we're already there, rewrite the paragraph to give a complete
enumeration of all the transformations. Specifically, it was missing
the whitespace normalization (run of isspace(c) -> ' ') and the
removal of leading ':'.
Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Introduce new tests that look more closely at overlay situations
when there are conflicting files. Five of these are broken.
Document the brokenness.
This is a fundamental problem with how git-p4 only "borrows" a
client spec. At some sync operation, a new change can contain
a file which is already in the repo or explicitly deleted through
another mapping. To sort this out would involve listing all the
files in the client spec to find one with a higher priority.
While this is not too hard for the initial import, subsequent
sync operations would be very costly.
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This test relied on what now is seen as broken behavior
in --use-client-spec. Change it to make sure it works
according to the new behavior as described in
ecb7cf9 (git-p4: rewrite view handling, 2012-01-02) and
c700b68 (git-p4: test client view handling, 2012-01-02).
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Catch the case where a ... exists at the end, and also elsehwere.
Reported-by: Gary Gibbons <ggibbons@perforce.com>
Signed-off-by: Pete Wyckoff <pw@padd.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The reason why the trailing slash is needed is obvious. refs/stash and
HEAD are not namespace, but complete refs. Do full string compare on them.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Add commit message to avoid commit's aborting due to the lack of
commit message, not because there are INTENT_TO_ADD entries in index.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The command takes the "start" argument and computes the merge base
between it and the commit to be pulled so that we can show the diffstat,
but uses the "start" argument as-is when composing the message
The following changes since commit $X are available
to tell the integrator which commit the work is based on. Giving "origin"
(most of the time it resolves to refs/remotes/origin/master) as the start
argument is often convenient, but it is usually not the fork point, and
does not help the integrator at all.
Use the real fork point, which is the merge base we already compute, when
composing that part of the message.
Suggested-by: Linus Torvalds
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The description of rerere.enabled left the user in the dark as to who
might create an rr-cache directory. Add a note that simply invoking
rerere does this.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Thas would de-dent the body of a function that has grown rather large over
time, making it a bit easier to read.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In prepare_attr_stack, we pop the old elements of the stack
(which were left from a previous lookup and may or may not
be useful to us). Our loop to do so checks that we never
reach the top of the stack. However, the code immediately
afterwards will segfault if we did actually reach the top of
the stack.
Fortunately, this is not an actual bug, since we will never
pop all of the stack elements (we will always keep the root
gitattributes, as well as the builtin ones). So the extra
check in the loop condition simply clutters the code and
makes the intent less clear. Let's get rid of it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When we prepare the attribute stack for a lookup on a path,
we start with the cached stack from the previous lookup
(because it is common to do several lookups in the same
directory hierarchy). So the first thing we must do in
preparing the stack is to pop any entries that point to
directories we are no longer interested in.
For example, if our stack contains gitattributes for:
foo/bar/baz
foo/bar
foo
but we want to do a lookup in "foo/bar/bleep", then we want
to pop the top element, but retain the others.
To do this we walk down the stack from the top, popping
elements that do not match our lookup directory. However,
the test do this simply checked strncmp, meaning we would
mistake "foo/bar/baz" as a leading directory of
"foo/bar/baz_plus". We must also check that the character
after our match is '/', meaning we matched the whole path
component.
There are two special cases to consider:
1. The top of our attr stack has the empty path. So we
must not check for '/', but rather special-case the
empty path, which always matches.
2. Typically when matching paths in this way, you would
also need to check for a full string match (i.e., the
character after is '\0'). We don't need to do so in
this case, though, because our path string is actually
just the directory component of the path to a file
(i.e., we know that it terminates with "/", because the
filename comes after that).
Helped-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Originally, this code remained relatively silent when we
failed to connect to the cache. The idea was that it was
simply a cache, and we didn't want to bother the user with
temporary failures (the worst case is that we would simply
ask their password again).
However, if you have a configuration failure or other
problem, it is helpful for the daemon to report those
problems. Git will happily ignore the failed error code, but
the extra information to stderr can help the user diagnose
the problem.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
On many systems, the sockaddr_un.sun_path field is quite
small. Even on Linux, it is only 108 characters. A user of
the credential-cache daemon can easily surpass this,
especially if their home directory is in a deep directory
tree (since the default location expands ~/.git-credentials).
We can hack around this in the unix-socket.[ch] code by
doing a chdir() to the enclosing directory, feeding the
relative basename to the socket functions, and then
restoring the working directory.
This introduces several new possible error cases for
creating a socket, including an irrecoverable one in the
case that we can't restore the working directory. In the
case of the credential-cache code, we could perhaps get away
with simply chdir()-ing to the socket directory and never
coming back. However, I'd rather do it at the lower level
for a few reasons:
1. It keeps the hackery behind an opaque interface instead
of polluting the main program logic.
2. A hack in credential-cache won't help any unix-socket
users who come along later.
3. The chdir trickery isn't that likely to fail (basically
it's only a problem if your cwd is missing or goes away
while you're running). And because we only enable the
hack when we get a too-long name, it can only fail in
cases that would have failed under the previous code
anyway.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In test 'blame --textconv with local changes' of t8006-blame-textconv,
using /usr/xpg4/bin/sed (as set by SANE_TOOL_PATH), an additional
newline was added to the output from the 'helper' script.
This was noted by sed with a message such as:
sed: Missing newline at end of file zero.bin.
Sed then exits with status 2 causing the helper script to also exit
with status 2.
In turn, this was triggering a fatal error from git blame:
fatal: unable to read files to diff
To work around this difference in sed behaviour, use perl -p instead
of sed -e as it exits cleanly and does not insert the additional
newline.
Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* mh/ref-api-less-extra-refs:
write_head_info(): handle "extra refs" locally
show_ref(): remove unused "flag" and "cb_data" arguments
receive-pack: move more work into write_head_info()
The sendemail.multiedit variable is meant to be a boolean.
However, it is not marked as such in the code, which means
we store its value literally. Thus in the do_edit function,
perl ends up coercing it to a boolean value according to
perl rules, not git rules. This works for "0", but "false",
"no", or "off" will erroneously be interpreted as true.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When gitweb URL does not provide action explicitly, e.g.
http://git.example.org/repo.git/branch
dispatch() tries to guess action (view to be used) based on remaining
parameters. Among others it is based on the type of requested object,
which gave problems when asking for non-existent branch or file (for
example misspelt name).
Now undefined $action from dispatch() should not result in problems.
Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In start_daemon, git-daemon is started as a background process. In
theory, the tests may try to connect before the daemon had a chance
to open a listening socket. Avoid this race condition by waiting
for it to output "Ready to rumble". Any other output is considered
an error and the test is aborted.
Should git-daemon produce no output at all, lib-git-daemon would
block forever. This could be fixed by introducing a timeout. On
the other hand, we have no timeout for other git commands which
could suffer from the same problem. Since such a mechanism adds
some complexity, I have decided against it.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
If a client tries to connect after git-daemon starts, but before it
opens a listening socket, the connection will fail. Output "[PID]
Ready to rumble]" after opening the socket successfully in order to
inform the user that the daemon is now ready to receive
connections.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The semantics of the git daemon tests are similar to the http transport
tests. In fact, they are only a slightly modified copy of t5550, plus the
newly added remote error tests.
All git-daemon tests will be skipped unless the environment variable
GIT_TEST_GIT_DAEMON is set.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Several git commands are so-called dashed externals, that is commands
executed as a child process of the git wrapper command. If the git
wrapper is killed by a signal, the child process will continue to run.
This is different from internal commands, which always die with the git
wrapper command.
Enable the recently introduced cleanup mechanism for child processes in
order to make dashed externals act more in line with internal commands.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When we spawn a helper process, it should generally be done
and finish_command called before we exit. However, if we
exit abnormally due to an early return or a signal, the
helper may continue to run in our absence.
In the best case, this may simply be wasted CPU cycles or a
few stray messages on a terminal. But it could also mean a
process that the user thought was aborted continues to run
to completion (e.g., a push's pack-objects helper will
complete the push, even though you killed the push process).
This patch provides infrastructure for run-command to keep
track of PIDs to be killed, and clean them on signal
reception or input, just as we do with tempfiles. PIDs can
be added in two ways:
1. If NO_PTHREADS is defined, async helper processes are
automatically marked. By definition this code must be
ready to die when the parent dies, since it may be
implemented as a thread of the parent process.
2. If the run-command caller specifies the "clean_on_exit"
option. This is not the default, as there are cases
where it is OK for the child to outlive us (e.g., when
spawning a pager).
PIDs are cleared from the kill-list automatically during
wait_or_whine, which is called from finish_command and
finish_async.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Error out if we just spawned the daemon and yet we cannot connect.
And always release the string buffer.
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
lib-terminal.sh runs a test and thus increases the test count, but the
output is lost so that TAP produces a "no plan found error".
Move the lib-terminal call after the lib-httpd and make TAP happy
(though still leave me clueless).
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Currently, git push --quiet produces some non-error output, e.g.:
$ git push --quiet
Unpacking objects: 100% (3/3), done.
This fixes a bug reported for the fedora git package:
https://bugzilla.redhat.com/show_bug.cgi?id=725593
Reported-by: Jesse Keating <jkeating@redhat.com>
Cc: Todd Zullinger <tmz@pobox.com>
Commit 90a6c7d4 (propagate --quiet to send-pack/receive-pack)
introduced the --quiet option to receive-pack and made send-pack
pass that option. Older versions of receive-pack do not recognize
the option, however, and terminate immediately. The commit was
therefore reverted.
This change instead adds a 'quiet' capability to receive-pack,
which is a backwards compatible.
In addition, this fixes push --quiet via http: A verbosity of 0
means quiet for remote helpers.
Reported-by: Tobias Ulmer <tobiasu@tmux.org>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
We have been carefully choosing feature names used in the protocol
extensions so that the vocabulary does not contain a word that is a
substring of another word, so it is not a real problem, but we have
recently added "quiet" feature word, which would mean we cannot later
add some other word with "quiet" (e.g. "quiet-push"), which is awkward.
Let's make sure that we can eventually be able to do so by teaching the
clients and servers that feature words consist of non whitespace
letters. This parser also allows us to later add features with parameters
e.g. "feature=1.5" (parameter values need to be quoted for whitespaces,
but we will worry about the detauls when we do introduce them).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
