The reflog-walking mechanism is based on the regular
revision traversal. We just rewrite the parents of each
commit in fake_reflog_parent to point to the commit in the
next reflog entry instead of the real parents.
However, the regular revision traversal tries not to show
the same commit twice, and so sets the SHOWN flag on each
commit it shows. In a reflog, however, we may want to see
the same commit more than once if it appears in the reflog
multiple times (which easily happens, for example, if you do
a reset to a prior state).
The fake_reflog_parent function takes care of this by
clearing flags, including SHOWN. Unfortunately, it does so
at the very end of the function, and it is possible to
return early from the function if there is no fake parent to
set up (e.g., because we are at the very first reflog entry
on the branch). In such a case the flag is not cleared, and
the entry is skipped by the revision traversal machinery as
already shown.
You can see this by walking the log of a ref which is set to
its very first commit more than once (the test below shows
such a situation). In this case the reflog walk will fail to
show the entry for the initial creation of the ref.
We don't want to simply move the flag-clearing to the top of
the function; we want to make sure flags set during the
fake-parent installation are also cleared. Instead, let's
hoist the flag-clearing out of the fake_reflog_parent
function entirely. It's not really about fake parents
anyway, and the only caller is the get_revision machinery.
Reported-by: Martin von Zweigbergk <martin.von.zweigbergk@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
If $HOME is unset (as in some automated build situations),
currently
git config --path path.home "~"
git config --path --get path.home
segfaults. Error out with
Failed to expand user dir in: '~/'
instead.
Reported-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* maint-1.6.6:
request-pull.txt: Document -p option
Check size of path buffer before writing into it
rev-parse: fix --parse-opt --keep-dashdash --stop-at-non-option
* maint-1.6.5:
request-pull.txt: Document -p option
Check size of path buffer before writing into it
rev-parse: fix --parse-opt --keep-dashdash --stop-at-non-option
This prevents a buffer overrun that could otherwise be triggered by
creating a file called '.git' with contents
gitdir: (something really long)
Signed-off-by: Greg Brockman <gdb@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Some have found the wording of the description to be somewhat ambiguous
with respect to when it is desirable to use test_must_fail instead of
"! <git-command>". Tweak the wording somewhat to hopefully clarify that
it is _because_ test_must_fail can detect segmentation fault that it is
desirable to use it instead of "! <git-command>".
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This prevents a buffer overrun that could otherwise be triggered by
creating a file called '.git' with contents
gitdir: (something really long)
Signed-off-by: Greg Brockman <gdb@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The correct responses to a D and a T line in .git/objects/info/packs
are the same, so combine their case arms. In both cases we already
‘goto’ out of the switch so while at it, remove a redundant ‘break’
to avoid yet another line of code.
Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com>
Reviewed-by: Jonathan Nieder <jrnieder <at> gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
'git mergetool' creates '*.orig' backup files in its
default configuration. Mention this in its documentation.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The url, path, and the update items in [submodule "foo"] stanzas
are nicely explained in the .gitmodules and ‘git submodule’
documentation. Point there from the config documentation.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
There is already excellent documentation for this facility in
git-submodule.1, but it is not so discoverable.
Relative paths in .gitmodules can be useful for serving the
same repository over multiple protocols, for example.
Thanks to Peter for pointing this out.
Cc: Peter Krefting <peter@softwolves.pp.se>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Earlier, 452e225 (gitweb: fix esc_param, 2009-10-13) fixed CGI escaping
rules used in esc_url. A very similar logic exists in esc_param and needs
to be fixed the same way.
Signed-off-by: Pavan Kumar Sunkara <pavan.sss1991@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
ksh93 is known to report $? of programs that terminated by a signal as
256 + signal number instead of 128 + signal number like other POSIX
compliant shells (ksh's behavior is still POSIX compliant in this regard).
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The ?: operator has a lower priority than |, so the implicit associativity
made the 6th argument of parse_options be PARSE_OPT_KEEP_DASHDASH if
keep_dashdash was true discarding PARSE_OPT_STOP_AT_NON_OPTION and
PARSE_OPT_SHELL_EVAL.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* tr/receive-pack-aliased-update-fix:
check_aliased_update: strcpy() instead of strcat() to copy
receive-pack: detect aliased updates which can occur with symrefs
receive-pack: switch global variable 'commands' to a parameter
Conflicts:
t/t5516-fetch-push.sh
When you have for example a bare repository stored on NFS, and that you
create new workdirs locally (using contrib's git-new-workdir), logs/refs
is a symlink to a different device. Hence when the reflogs are renamed,
all must happen below logs/refs or one gets cross device rename errors
like:
git branch -m foo
error: unable to move logfile logs/refs/heads/master to tmp-renamed-log: Invalid cross-device link
fatal: Branch rename failed
The fix is hence to use logs/refs/.tmp-renamed-log as a temporary log
name, instead of just tmp-renamed-log.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Reading into a time_t isn't portable, since we don't know
the exact type. Instead, use an unsigned long, which is what
show_date wants, anyway.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In xdl_recmatch, do the memcmp to check if the two lines are equal before
checking if whitespace flags are set. If the lines are identical, then
there is no need to check if they differ only in whitespace.
This makes the common case (there is no whitespace difference) faster.
It costs the case where lines are the same length and contain
whitespace differences, but the common case is more than 20% faster.
Signed-off-by: Dylan Reid <dgreid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Previously, test-date simply ignored the parsed timezone and
told show_date() to use UTC. Instead, let's print out what
we actually parsed.
While we're at it, let's make it easy for tests to work in a specific
timezone.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
dea4562 (rerere forget path: forget recorded resolution, 2009-12-25)
introduced the forget subcommand for rerere.
Document it.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This advertises the existence of the 'pre-auto-gc' hook and adds a cross
reference to where the hook is documented.
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Supplying backslashed, extended regular expressions to grep is not
portable. Use egrep instead.
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Several items in the caret, colon and friends section contain examples
already. Make sure they all come with examples, and that examples come
early so that they serve as a visual guide, as well.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
gcc version 3.4.4 thinks that the 'cmp' variable could be used
while uninitialised and complains thus:
notes.c: In function `write_each_non_note_until':
notes.c:719: warning: 'cmp' might be used uninitialized in \
this function
Note that gcc versions 4.1.2 and 4.4.0 do not issue this warning.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Otherwise we may segfault with too few parameters.
Signed-off-by: Jeff King <peff@peff.net>
Tested-by: Bert Wesarg <Bert.Wesarg@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The empty treeish in ":path" means "index". This is actually a special
case of the ":stage:path" syntax where it is documented, but mentioning
it also together with "treeish:path" is helpful, so do it.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In particular, using the normal (or production) compiler
warning level (-W3), msvc complains as follows:
.../sha1.c(244) : warning C4018: '<' : signed/unsigned mismatch
.../sha1.c(270) : warning C4244: 'function' : conversion from \
'unsigned __int64' to 'unsigned long', possible loss of data
.../sha1.c(271) : warning C4244: 'function' : conversion from \
'unsigned __int64' to 'unsigned long', possible loss of data
Note that gcc issues a similar complaint about line 244 when
compiling with -Wextra.
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Asciidoc interprets two dashes separated by spaces as a single big
dash. So let's escape the first dash, so that "\--" will properly
appear as "--".
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
