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* config.mak.uname: set FREAD_READS_DIRECTORIES for cygwinrj/cygwin-fread-reads-directoriesRamsay Jones2017-07-211-0/+1
| | | | | Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* A few more topics while waiting for the po/PRItime resolutionJunio C Hamano2017-07-201-0/+12
| | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'mt/p4-parse-G-output'Junio C Hamano2017-07-202-31/+166
|\ | | | | | | | | | | | | | | | | | | Use "p4 -G" to make "p4 changes" output more Python-friendly to parse. * mt/p4-parse-G-output: git-p4: filter for {'code':'info'} in p4CmdList git-p4: parse marshal output "p4 -G" in p4 changes git-p4: git-p4 tests with p4 triggers
| * git-p4: filter for {'code':'info'} in p4CmdListmt/p4-parse-G-outputMiguel Torroja2017-07-132-5/+8
| | | | | | | | | | | | | | | | | | | | | | The function p4CmdList accepts a new argument: skip_info. When set to True it ignores any 'code':'info' entry (skip_info=False by default). That allows us to fix some of the tests in t9831-git-p4-triggers.sh known to be broken with verobse p4 triggers Signed-off-by: Miguel Torroja <miguel.torroja@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * git-p4: parse marshal output "p4 -G" in p4 changesMiguel Torroja2017-07-132-29/+58
| | | | | | | | | | | | | | | | | | | | | | The option -G of p4 (python marshal output) gives more context about the data being output. That's useful when using the command "change -o" as we can distinguish between warning/error line and real change description. This fixes the case where a p4 trigger for "p4 change" is set and the command git-p4 submit is run. Signed-off-by: Miguel Torroja <miguel.torroja@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * git-p4: git-p4 tests with p4 triggersMiguel Torroja2017-07-131-0/+103
| | | | | | | | | | | | | | | | | | | | | | Some p4 triggers in the server side generate some warnings when executed. Unfortunately those messages are mixed with the output of p4 commands. A few git-p4 commands don't expect extra messages or output lines and may fail with verbose triggers. New tests added are known to be broken. Signed-off-by: Miguel Torroja <miguel.torroja@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | Merge branch 'ew/fd-cloexec-fix'Junio C Hamano2017-07-201-3/+3
|\ \ | | | | | | | | | | | | | | | | | | Portability/fallback fix. * ew/fd-cloexec-fix: set FD_CLOEXEC properly when O_CLOEXEC is not supported
| * | set FD_CLOEXEC properly when O_CLOEXEC is not supportedew/fd-cloexec-fixEric Wong2017-07-171-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FD_CLOEXEC only applies to the file descriptor, so it needs to be manipuluated via F_GETFD/F_SETFD. F_GETFL/F_SETFL are for file description flags. Verified via strace with o_cloexec set to zero. Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | Merge branch 'jk/build-with-asan'Junio C Hamano2017-07-201-1/+6
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent update made it easier to use "-fsanitize=" option while compiling but supported only one sanitize option. Allow more than one to be combined, joined with a comma, like "make SANITIZE=foo,bar". * jk/build-with-asan: Makefile: allow combining UBSan with other sanitizers
| * | | Makefile: allow combining UBSan with other sanitizersjk/build-with-asanRené Scharfe2017-07-171-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Multiple sanitizers can be specified as a comma-separated list. Set the flag NO_UNALIGNED_LOADS even if UndefinedBehaviorSanitizer is not the only sanitizer to build with. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | Merge branch 'jk/test-copy-bytes-fix'Junio C Hamano2017-07-201-0/+1
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A test fix. * jk/test-copy-bytes-fix: t: handle EOF in test_copy_bytes()
| * | | | t: handle EOF in test_copy_bytes()jk/test-copy-bytes-fixJeff King2017-07-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The test_copy_bytes() function claims to read up to N bytes, or until it gets EOF. But we never handle EOF in our loop, and a short input will cause perl to go into an infinite loop of read() getting zero bytes. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | Merge branch 'js/alias-case-sensitivity'Junio C Hamano2017-07-202-1/+8
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent update broke an alias that contained an uppercase letter. * js/alias-case-sensitivity: alias: compare alias name *case-insensitively* t1300: demonstrate that CamelCased aliases regressed
| * | | | | alias: compare alias name *case-insensitively*js/alias-case-sensitivityJohannes Schindelin2017-07-172-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is totally legitimate to add CamelCased aliases, but due to the way config keys are compared, the case does not matter. Therefore, we must compare the alias name insensitively to the config keys. This fixes a regression introduced by a9bcf6586d1 (alias: use the early config machinery to expand aliases, 2017-06-14). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | t1300: demonstrate that CamelCased aliases regressedJohannes Schindelin2017-07-171-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is totally legitimate to add CamelCased aliases, but due to the way config keys are compared, the case does not matter. Except that now it does: the alias name is expected to be all lower-case. This is a regression introduced by a9bcf6586d1 (alias: use the early config machinery to expand aliases, 2017-06-14). Noticed by Alejandro Pauly, diagnosed by Kevin Willford. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | RelNotes: mention "sha1dc: optionally use sha1collisiondetection as a submodule"Ævar Arnfjörð Bjarmason2017-07-201-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To note that merely cloning git.git without --recurse-submodules doesn't get you a full copy of the code anymore. See 5f6482d642 ("RelNotes: mention "log: make --regexp-ignore-case work with --perl-regexp"", 2017-07-20). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | RelNotes: mention "log: make --regexp-ignore-case work with --perl-regexp"Ævar Arnfjörð Bjarmason2017-07-201-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To inform users that they can use --regexp-ignore-case now, and that existing scripts which relied on that + PCRE may be buggy. See 9e3cbc59d5 ("log: make --regexp-ignore-case work with --perl-regexp", 2017-05-20). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | RelNotes: mention "log: add -P as a synonym for --perl-regexp"Ævar Arnfjörð Bjarmason2017-07-201-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To inform users that they can use the short form now. See 7531a2dd87 ("log: add -P as a synonym for --perl-regexp", 2017-05-25). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | A few more topics before 2.14-rc1Junio C Hamano2017-07-181-19/+45
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | Merge branch 'jk/gc-pre-detach-under-hook'Junio C Hamano2017-07-182-0/+25
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We run an early part of "git gc" that deals with refs before daemonising (and not under lock) even when running a background auto-gc, which caused multiple gc processes attempting to run the early part at the same time. This is now prevented by running the early part also under the GC lock. * jk/gc-pre-detach-under-hook: gc: run pre-detach operations under lock
| * | | | | | gc: run pre-detach operations under lockjk/gc-pre-detach-under-hookJeff King2017-07-122-0/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We normally try to avoid having two auto-gc operations run at the same time, because it wastes resources. This was done long ago in 64a99eb47 (gc: reject if another gc is running, unless --force is given, 2013-08-08). When we do a detached auto-gc, we run the ref-related commands _before_ detaching, to avoid confusing lock contention. This was done by 62aad1849 (gc --auto: do not lock refs in the background, 2014-05-25). These two features do not interact well. The pre-detach operations are run before we check the gc.pid lock, meaning that on a busy repository we may run many of them concurrently. Ideally we'd take the lock before spawning any operations, and hold it for the duration of the program. This is tricky, though, with the way the pid-file interacts with the daemonize() process. Other processes will check that the pid recorded in the pid-file still exists. But detaching causes us to fork and continue running under a new pid. So if we take the lock before detaching, the pid-file will have a bogus pid in it. We'd have to go back and update it with the new pid after detaching. We'd also have to play some tricks with the tempfile subsystem to tweak the "owner" field, so that the parent process does not clean it up on exit, but the child process does. Instead, we can do something a bit simpler: take the lock only for the duration of the pre-detach work, then detach, then take it again for the post-detach work. Technically, this means that the post-detach lock could lose to another process doing pre-detach work. But in the long run this works out. That second process would then follow-up by doing post-detach work. Unless it was in turn blocked by a third process doing pre-detach work, and so on. This could in theory go on indefinitely, as the pre-detach work does not repack, and so need_to_gc() will continue to trigger. But in each round we are racing between the pre- and post-detach locks. Eventually, one of the post-detach locks will win the race and complete the full gc. So in the worst case, we may racily repeat the pre-detach work, but we would never do so simultaneously (it would happen via a sequence of serialized race-wins). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | Merge branch 'jn/hooks-pre-rebase-sample-fix'Junio C Hamano2017-07-181-3/+3
|\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Code clean-up, that makes us in sync with Debian by one patch. * jn/hooks-pre-rebase-sample-fix: pre-rebase hook: capture documentation in a <<here document
| * | | | | | | pre-rebase hook: capture documentation in a <<here documentjn/hooks-pre-rebase-sample-fixJonathan Nieder2017-07-111-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Without this change, the sample hook does not pass a syntax check (sh -n): $ sh -n hooks--pre-rebase.sample hooks--pre-rebase.sample: line 101: syntax error near unexpected token `(' hooks--pre-rebase.sample: line 101: ` merged into it again (either directly or indirectly).' Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | Merge branch 'rs/progress-overall-throughput-at-the-end'Junio C Hamano2017-07-181-2/+6
|\ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The progress meter did not give a useful output when we haven't had 0.5 seconds to measure the throughput during the interval. Instead show the overall throughput rate at the end, which is a much more useful number. * rs/progress-overall-throughput-at-the-end: progress: show overall rate in last update
| * | | | | | | | progress: show overall rate in last updaters/progress-overall-throughput-at-the-endRené Scharfe2017-07-091-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The values in struct throughput are only updated every 0.5 seconds. If we're all done before that time span then the final update will show a rate of 0 bytes/s, which is misleading if some bytes had been handled. Remember the start time and show the total throughput instead. And avoid division by zero by enforcing a minimum time span value of 1 (unit: 1/1024th of a second). That makes the resulting rate an underestimation, but it's closer to the actual value than the currently shown 0 bytes/s. Reported-by: 積丹尼 Dan Jacobson <jidanni@jidanni.org> Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | | Merge branch 'tb/push-to-cygwin-unc-path'Junio C Hamano2017-07-185-0/+27
|\ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Cygwin, similar to Windows, "git push //server/share/repository" ought to mean a repository on a network share that can be accessed locally, but this did not work correctly due to stripping the double slashes at the beginning. This may need to be heavily tested before it gets unleashed to the wild, as the change is at a fairly low-level code and would affect not just the code to decide if the push destination is local. There may be unexpected fallouts in the path normalization. * tb/push-to-cygwin-unc-path: cygwin: allow pushing to UNC paths
| * | | | | | | | | cygwin: allow pushing to UNC pathstb/push-to-cygwin-unc-pathTorsten Bögershausen2017-07-055-0/+27
| |/ / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cygwin can use an UNC path like //server/share/repo $ cd //server/share/dir $ mkdir test $ cd test $ git init --bare However, when we try to push from a local Git repository to this repo, there is a problem: Git converts the leading "//" into a single "/". As cygwin handles an UNC path so well, Git can support them better: - Introduce cygwin_offset_1st_component() which keeps the leading "//", similar to what Git for Windows does. - Move CYGWIN out of the POSIX in the tests for path normalization in t0060 Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | | Git 2.14-rc0v2.14.0-rc0smapJunio C Hamano2017-07-132-5/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | | Merge branch 'jk/build-with-asan'Junio C Hamano2017-07-132-3/+16
|\ \ \ \ \ \ \ \ \ | | |_|_|_|_|/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The build procedure has been improved to allow building and testing Git with address sanitizer more easily. * jk/build-with-asan: Makefile: disable unaligned loads with UBSan Makefile: turn off -fomit-frame-pointer with sanitizers Makefile: add helper for compiling with -fsanitize test-lib: turn on ASan abort_on_error by default test-lib: set ASAN_OPTIONS variable before we run git
| * | | | | | | | Makefile: disable unaligned loads with UBSanJeff King2017-07-101-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The undefined behavior sanitizer complains about unaligned loads, even if they're OK for a particular platform in practice. It's possible that they _are_ a problem, of course, but since it's a known tradeoff the UBSan errors are just noise. Let's quiet it automatically by building with NO_UNALIGNED_LOADS when SANITIZE=undefined is in use. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | Makefile: turn off -fomit-frame-pointer with sanitizersJeff King2017-07-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ASan manual recommends disabling this optimization, as it can make the backtraces produced by the tool harder to follow (and since this is a test-debug build, we don't care about squeezing out every last drop of performance). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | Makefile: add helper for compiling with -fsanitizeJeff King2017-07-101-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | You can already build and test with ASan by doing: make CFLAGS=-fsanitize=address test but there are a few slight annoyances: 1. It's a little long to type. 2. It override your CFLAGS completely. You'd probably still want -O2, for instance. 3. It's a good idea to also turn off "recovery", which lets the program keep running after a problem is detected (with the intention of finding as many bugs as possible in a given run). Since Git's test suite should generally run without triggering any problems, it's better to abort immediately and fail the test when we do find an issue. With this patch, all of that happens automatically when you run: make SANITIZE=address test Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | test-lib: turn on ASan abort_on_error by defaultJeff King2017-07-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By default, ASan will exit with code 1 when it sees an error. This means we'll notice a problem when we expected git to succeed, but not in a test_must_fail block. Let's ask it to actually raise SIGABRT instead. That will give us a signal death that test_must_fail will notice. As a bonus, it may also leave a coredump, which can be handy for digging into a failure. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | test-lib: set ASAN_OPTIONS variable before we run gitJeff King2017-07-101-3/+8
| |/ / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We turn off ASan's leak detection by default in the test suite because it's too noisy. But we don't do so until part-way through test-lib. This is before we've run any tests, but after we do our initial "./git" to see if the binary has even been built. When built with clang, this seems to work fine. However, using "gcc -fsanitize=address", the leak checker seems to complain more aggressively: $ ./git ... ==5352==ERROR: LeakSanitizer: detected memory leaks Direct leak of 2 byte(s) in 1 object(s) allocated from: #0 0x7f120e7afcf8 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1cf8) #1 0x559fc2a3ce41 in do_xmalloc /home/peff/compile/git/wrapper.c:60 #2 0x559fc2a3cf1a in do_xmallocz /home/peff/compile/git/wrapper.c:100 #3 0x559fc2a3d0ad in xmallocz /home/peff/compile/git/wrapper.c:108 #4 0x559fc2a3d0ad in xmemdupz /home/peff/compile/git/wrapper.c:124 #5 0x559fc2a3d0ad in xstrndup /home/peff/compile/git/wrapper.c:130 #6 0x559fc274535a in main /home/peff/compile/git/common-main.c:39 #7 0x7f120dabd2b0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202b0) This is a leak in the sense that we never free it, but it's in a global that is meant to last the whole program. So it's not really interesting or in need of fixing. And at any rate, mentioning leaks outside of the test_expect blocks is certainly unwelcome, as it pollutes stderr. Let's bump the setting of ASAN_OPTIONS higher in test-lib.sh to catch our initial "can we even run git?" test. While we're at it, we can add a comment to make it a bit less inscrutable. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | Merge branch 'sb/pull-rebase-submodule'Junio C Hamano2017-07-138-41/+193
|\ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "git pull --rebase --recurse-submodules" learns to rebase the branch in the submodules to an updated base. * sb/pull-rebase-submodule: builtin/fetch cleanup: always set default value for submodule recursing pull: optionally rebase submodules (remote submodule changes only) builtin/fetch: parse recurse-submodules-default at default options parsing builtin/fetch: factor submodule recurse parsing out to submodule config
| * | | | | | | | builtin/fetch cleanup: always set default value for submodule recursingStefan Beller2017-06-271-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The check for the default was introduced with 88a21979c5 (fetch/pull: recurse into submodules when necessary, 2011-03-06), which replaced an older construct (builtin/fetchs own implementation of the super-prefix) introduced in be254a0ea9 (Add the 'fetch.recurseSubmodules' config setting, 2010-11-11) which made sense at the time as there was no default fetch option for submodules at the time. Set builtin/fetch.c#recurse_submodules_default to the same value as submodule.c#config_fetch_recurse_submodules which is set via set_config_fetch_recurse_submodules, such that the condition for checking whether we have to set the default value becomes unnecessary. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | pull: optionally rebase submodules (remote submodule changes only)Stefan Beller2017-06-235-16/+157
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Teach pull to optionally update submodules when '--recurse-submodules' is provided. This will teach pull to run 'submodule update --rebase' when the '--recurse-submodules' and '--rebase' flags are given under specific circumstances. On a rebase workflow: ===================== 1. Both sides change the submodule ------------------------------ Let's assume the following history in a submodule: H---I---J---K---L local branch \ M---N---O---P remote branch and the following in the superproject (recorded submodule in parens): A(H)---B(I)---F(K)---G(L) local branch \ C(N)---D(N)---E(P) remote branch In an ideal world this would rebase the submodule and rewrite the submodule pointers that the superproject points at such that the superproject looks like A(H)---B(I) F(K')---G(L') rebased branch \ / C(N)---D(N)---E(P) remote branch and the submodule as: J---K---L (old dangeling tip) / H---I J'---K'---L' rebased branch \ / M---N---O---P remote branch And if a conflict arises in the submodule the superproject rebase would stop at that commit at which the submodule conflict occurs. Currently a "pull --rebase" in the superproject produces a merge conflict as the submodule pointer changes are conflicting and cannot be resolved. 2. Local submodule changes only ----------------------- Assuming histories as above, except that the remote branch would not contain submodule changes, then a result as A(H)---B(I) F(K)---G(L) rebased branch \ / C(I)---D(I)---E(I) remote branch is desire-able. This is what currently happens in rebase. If the recursive flag is given, the ideal git would produce a superproject as: A(H)---B(I) F(K')---G(L') rebased branch (incl. sub rebase!) \ / C(I)---D(I)---E(I) remote branch and the submodule as: J---K---L (old dangeling tip) / H---I J'---K'---L' locally rebased branch \ / M---N---O---P advanced branch This patch doesn't address this issue, however a test is added that this fails up front. 3. Remote submodule changes only ---------------------- Assuming histories as in (1) except that the local superproject branch would not have touched the submodule the rebase already works out in the superproject with no conflicts: A(H)---B(I) F(P)---G(P) rebased branch (no sub changes) \ / C(N)---D(N)---E(P) remote branch The recurse flag as presented in this patch would additionally update the submodule as: H---I J'---K'---L' rebased branch \ / M---N---O---P remote branch As neither J, K, L nor J', K', L' are referred to from the superproject, no rewriting of the superproject commits is required. Conclusion for 'pull --rebase --recursive' ----------------------------------------- If there are no local superproject changes it is sufficient to call "submodule update --rebase" as this produces the desired results. In case of conflicts, the behavior is the same as in 'submodule update --recursive' which is assumed to be sane. This patch implements (3) only. On a merge workflow: ==================== We'll start off with the same underlying DAG as in (1) in the rebase workflow. So in an ideal world a 'pull --merge --recursive' would produce this: H---I---J---K---L----X \ / M---N---O---P with X as the new merge-commit in the submodule and the superproject as: A(H)---B(I)---F(K)---G(L)---Y(X) \ / C(N)---D(N)---E(P) However modifying the submodules on the fly is not supported in git-merge such that Y(X) is not easy to produce in a single patch. In fact git-merge doesn't know about submodules at all. However when at least one side does not contain commits touching the submodule at all, then we do not need to perform the merge for the submodule but a fast-forward can be done via checking out either L or P in the submodule. This strategy is implemented in 68d03e4a6e (Implement automatic fast-forward merge for submodules, 2010-07-07) already, so to align with the rebase behavior we need to also update the worktree of the submodule. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | builtin/fetch: parse recurse-submodules-default at default options parsingStefan Beller2017-06-231-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of just storing the string and then later calling our own parsing function 'parse_fetch_recurse_submodules_arg', make use of the function callback 'option_fetch_parse_recurse_submodules' that was introduced in the last patch. Also move all submodule recursing variables in one spot at the top of the file. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | builtin/fetch: factor submodule recurse parsing out to submodule configStefan Beller2017-06-233-16/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Later we want to access this parsing in builtin/pull as well. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | | Merge branch 'sb/hashmap-customize-comparison'Junio C Hamano2017-07-1320-409/+431
|\ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the hashmap API so that data to customize the behaviour of the comparison function can be specified at the time a hashmap is initialized. * sb/hashmap-customize-comparison: hashmap: migrate documentation from Documentation/technical into header patch-ids.c: use hashmap correctly hashmap.h: compare function has access to a data field
| * | | | | | | | | hashmap: migrate documentation from Documentation/technical into headersb/hashmap-customize-comparisonStefan Beller2017-06-302-341/+316
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While at it, clarify the use of `key`, `keydata`, `entry_or_key` as well as documenting the new data pointer for the compare function. Rework the example. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | patch-ids.c: use hashmap correctlyStefan Beller2017-06-301-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As alluded to in the previous patch, the code in patch-ids.c is using the hashmaps API wrong. Luckily we do not have a bug, as all hashmap functionality that we use here (hashmap_get) passes through the keydata. If hashmap_get_next were to be used, a bug would occur as that passes NULL for the key_data. So instead use the hashmap API correctly and provide the caller required data in the compare function via the first argument that always gets passed and was setup via the hashmap_init function. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | hashmap.h: compare function has access to a data fieldStefan Beller2017-06-3019-66/+113
| | |_|_|_|_|_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using the hashmap a common need is to have access to caller provided data in the compare function. A couple of times we abuse the keydata field to pass in the data needed. This happens for example in patch-ids.c. This patch changes the function signature of the compare function to have one more void pointer available. The pointer given for each invocation of the compare function must be defined in the init function of the hashmap and is just passed through. Documentation of this new feature is deferred to a later patch. This is a rather mechanical conversion, just adding the new pass-through parameter. However while at it improve the naming of the fields of all compare functions used by hashmaps by ensuring unused parameters are prefixed with 'unused_' and naming the parameters what they are (instead of 'unused' make it 'unused_keydata'). Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | | | | | | | | Merge branch 'ab/grep-lose-opt-regflags'Junio C Hamano2017-07-134-32/+35
|\ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Code cleanup. * ab/grep-lose-opt-regflags: grep: remove redundant REG_NEWLINE when compiling fixed regex grep: remove regflags from the public grep_opt API grep: remove redundant and verbose re-assignments to 0 grep: remove redundant "fixed" field re-assignment to 0 grep: adjust a redundant grep pattern type assignment grep: remove redundant double assignment to 0
| * | | | | | | | | grep: remove redundant REG_NEWLINE when compiling fixed regexab/grep-lose-opt-regflagsÆvar Arnfjörð Bjarmason2017-06-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the redundant REG_NEWLINE regcomp() flag from the code that compiles a fixed-string regular-expression. The REG_NEWLINE causes metacharacters such as "." to match a newline, since the basic_regex_quote_buf() function being called here escapes all metacharacters using REG_NEWLINE is confusing and redundant. The use of this flag was introduced as an unintended emergent property of 793dc676e0 ("grep/icase: avoid kwsset when -F is specified", 2016-06-25). That change amended the existing regflags, which were initialized to REG_NEWLINE in init_grep_defaults() assuming a subsequent non-fixed regcomp(). Manual testing reveals that this was always redundant, since no flags of any use were inherited from opt->regflags even back then. 793dc676e0 passes all tests with this on top: diff --git a/grep.c b/grep.c index 627ae3e3e8..89e84ed7fd 100644 --- a/grep.c +++ b/grep.c @@ -407,3 +407,3 @@ static void compile_fixed_regexp(struct grep_pat *p, struct grep_opt *opt) basic_regex_quote_buf(&sb, p->pattern); - regflags = opt->regflags & ~REG_EXTENDED; + regflags = 0; if (opt->ignore_case) Since this isn't used for anything and never was, remove it to reduce confusion when reading this code. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | grep: remove regflags from the public grep_opt APIÆvar Arnfjörð Bjarmason2017-06-304-14/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Refactor calls to the grep machinery to always pass opt.ignore_case & opt.extended_regexp_option instead of setting the equivalent regflags bits. The bug fixed when making -i work with -P in commit 9e3cbc59d5 ("log: make --regexp-ignore-case work with --perl-regexp", 2017-05-20) was really just plastering over the code smell which this change fixes. The reason for adding the extensive commentary here is that I discovered some subtle complexity in implementing this that really should be called out explicitly to future readers. Before this change we'd rely on the difference between `extended_regexp_option` and `regflags` to serve as a membrane between our preliminary parsing of grep.extendedRegexp and grep.patternType, and what we decided to do internally. Now that those two are the same thing, it's necessary to unset `extended_regexp_option` just before we commit in cases where both of those config variables are set. See 84befcd0a4 ("grep: add a grep.patternType configuration setting", 2012-08-03) for the code and documentation related to that. The explanation of why the if/else branches in grep_commit_pattern_type() are ordered the way they are exists in that commit message, but I think it's worth calling this subtlety out explicitly with a comment for future readers. Even though grep_commit_pattern_type() is the only caller of grep_set_pattern_type_option() it's simpler to reset the extended_regexp_option flag in the latter, since 2/3 branches in the former would otherwise need to reset it, this way we can do it in one place. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | grep: remove redundant and verbose re-assignments to 0Ævar Arnfjörð Bjarmason2017-06-301-11/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the redundant re-assignments of the fixed/pcre1/pcre2 fields to zero right after the entire struct has been set to zero via memset(...). See an earlier related cleanup commit e0b9f8ae09 ("grep: remove redundant regflags assignments", 2017-05-25) for an explanation of why the code was structured like this to begin with. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | grep: remove redundant "fixed" field re-assignment to 0Ævar Arnfjörð Bjarmason2017-06-301-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the redundant re-assignment of the fixed field to zero right after the entire struct has been set to zero via memset(...). Unlike some nearby commits this pattern doesn't date back to the pattern described in e0b9f8ae09 ("grep: remove redundant regflags assignments", 2017-05-25), instead it was apparently cargo-culted in 9eceddeec6 ("Use kwset in grep", 2011-08-21). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | grep: adjust a redundant grep pattern type assignmentÆvar Arnfjörð Bjarmason2017-06-301-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adjust a now-redundant assignment to extended_regexp_option to make it zero if grep.extendedRegexp is not set. This is always called right after init_grep_defaults() which memsets the entire structure to 0, so there's no need to set it again to zero. However the reason for the if/else pattern is a holdover from[1] where this was adjusted from a bitfield assignment to a boolean. Rather than getting rid of the assignment to 0 in all cases, let's just use the value returned by git_config_bool(), which is more idiomatic and in sync with the rest of the boolean handling in this function. This is a logical follow-up to my commit to remove redundant regflags assignments[2]. This logic was originally introduced in [3], but as explained in the former commit it's working around a pattern in our code that no longer exists, and is now confusing as it leads the reader to think that this needs to be flipped back & forth. 1. 84befcd0a4 ("grep: add a grep.patternType configuration setting", 2012-08-03) 2. e0b9f8ae09 ("grep: remove redundant regflags assignments", 2017-05-25) 3. b22520a37c ("grep: allow -E and -n to be turned on by default via configuration", 2011-03-30) Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * | | | | | | | | grep: remove redundant double assignment to 0Ævar Arnfjörð Bjarmason2017-06-301-1/+0
| |/ / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stop assigning 0 to the extended_regexp_option field right after we've zeroed out the entire struct with memset() just a few lines earlier. Unlike some of the code being refactored in subsequent commits, this was always completely redundant. See the original code introduced in 84befcd0a4 ("grep: add a grep.patternType configuration setting", 2012-08-03). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>