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2018-11-19Prepare for 2.20-rc1Libravatar Junio C Hamano1-0/+29
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-19Merge branch 'sb/cocci-pending'Libravatar Junio C Hamano2-2/+46
A coding convention around the Coccinelle semantic patches to have two classes to ease code migration process has been proposed and its support has been added to the Makefile. * sb/cocci-pending: coccicheck: introduce 'pending' semantic patches
2018-11-19Merge branch 'js/test-git-installed'Libravatar Junio C Hamano4-8/+25
Update the "test installed Git" mode of our test suite to work better. * js/test-git-installed: tests: explicitly use `git.exe` on Windows tests: do not require Git to be built when testing an installed Git t/lib-gettext: test installed git-sh-i18n if GIT_TEST_INSTALLED is set tests: respect GIT_TEST_INSTALLED when initializing repositories tests: fix GIT_TEST_INSTALLED's PATH to include t/helper/
2018-11-19Merge branch 'dd/poll-dot-h'Libravatar Junio C Hamano3-2/+17
A build update. * dd/poll-dot-h: git-compat-util: prefer poll.h to sys/poll.h
2018-11-19Merge branch 'tb/print-size-t-with-uintmax-format'Libravatar Junio C Hamano11-23/+24
Code preparation to replace ulong vars with size_t vars where appropriate. * tb/print-size-t-with-uintmax-format: Upcast size_t variables to uintmax_t when printing
2018-11-19Merge branch 'tb/xcurl-off-t'Libravatar Junio C Hamano1-3/+4
The xcurl_off_t() helper function is used to cast size_t to curl_off_t, but some compilers gave warnings against the code to ensure the casting is done without wraparound, when size_t is narrower than curl_off_t. This warning has been squelched. * tb/xcurl-off-t: remote-curl.c: xcurl_off_t is not portable (on 32 bit platfoms)
2018-11-19Merge branch 'nd/format-patch-cover-letter-stat-width'Libravatar Junio C Hamano2-17/+33
"git format-patch --stat=<width>" can be used to specify the width used by the diffstat (shown in the cover letter). * nd/format-patch-cover-letter-stat-width: format-patch: respect --stat in cover letter's diffstat
2018-11-19Merge branch 'ds/push-squelch-ambig-warning'Libravatar Junio C Hamano1-0/+6
"git push" used to check ambiguities between object-names and refnames while processing the list of refs' old and new values, which was unnecessary (as it knew that it is feeding raw object names). This has been optimized out. * ds/push-squelch-ambig-warning: pack-objects: ignore ambiguous object warnings
2018-11-19Merge branch 'ab/dynamic-gettext-poison'Libravatar Junio C Hamano16-49/+59
Our testing framework uses a special i18n "poisoned localization" feature to find messages that ought to stay constant but are incorrectly marked to be translated. This feature has been made into a runtime option (it used to be a compile-time option). * ab/dynamic-gettext-poison: Makefile: ease dynamic-gettext-poison transition i18n: make GETTEXT_POISON a runtime option
2018-11-19RelNotes: name the release properlyLibravatar Junio C Hamano1-2/+2
In the title, we should state for which version this release notes document is about. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-18Git 2.20-rc0Libravatar Junio C Hamano2-1/+63
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-18Merge branch 'jk/close-duped-fd-before-unlock-for-bundle'Libravatar Junio C Hamano2-21/+24
When "git bundle" aborts due to an empty commit ranges (i.e. resulting in an empty pack), it left a file descriptor to an lockfile open, which resulted in leftover lockfile on Windows where you cannot remove a file with an open file descriptor. This has been corrected. * jk/close-duped-fd-before-unlock-for-bundle: bundle: dup() output descriptor closer to point-of-use
2018-11-18Merge branch 'ab/rebase-in-c-escape-hatch'Libravatar Junio C Hamano3-1/+22
The recently merged "rebase in C" has an escape hatch to use the scripted version when necessary, but it hasn't been documented, which has been corrected. * ab/rebase-in-c-escape-hatch: tests: add a special setup where rebase.useBuiltin is off rebase doc: document rebase.useBuiltin
2018-11-18Merge branch 'js/rebase-am-options'Libravatar Junio C Hamano2-63/+52
The way "git rebase" parses and forwards the command line options meant for underlying "git am" has been revamped, which fixed for options with parameters that were not passed correctly. * js/rebase-am-options: rebase: validate -C<n> and --whitespace=<mode> parameters early rebase: really just passthru the `git am` options
2018-11-18Merge branch 'sg/ref-filter-wo-repository'Libravatar Junio C Hamano2-0/+10
"git ls-remote --sort=<thing>" can feed an object that is not yet available into the comparison machinery and segfault, which has been corrected to check such a request upfront and reject it. * sg/ref-filter-wo-repository: ref-filter: don't look for objects when outside of a repository
2018-11-18Merge branch 'nd/doc-extensions'Libravatar Junio C Hamano3-19/+16
Doc update. * nd/doc-extensions: doc: move extensions.worktreeConfig to the right place
2018-11-18Merge branch 'js/fuzz-cxxflags'Libravatar Junio C Hamano1-2/+4
The build procedure to link for fuzzing test has been made customizable with a new Makefile variable. * js/fuzz-cxxflags: Makefile: use FUZZ_CXXFLAGS for linking fuzzers
2018-11-18Merge branch 'js/mingw-msdn-url'Libravatar Junio C Hamano1-2/+2
The URL to an MSDN page in a comment has been updated. * js/mingw-msdn-url: mingw: replace an obsolete link with the superseding one
2018-11-18Merge branch 'js/mingw-create-hard-link'Libravatar Junio C Hamano1-13/+1
Windows update. * js/mingw-create-hard-link: mingw: use `CreateHardLink()` directly
2018-11-18Merge branch 'js/config-sequence'Libravatar Junio C Hamano1-0/+2
A sanity check for start-up sequence has been added in the config API codepath. * js/config-sequence: config: report a bug if git_dir exists without commondir
2018-11-18Merge branch 'lj/mingw-pthread-cond'Libravatar Junio C Hamano2-159/+7
Code simplification. * lj/mingw-pthread-cond: win32: replace pthread_cond_*() with much simpler code
2018-11-18Merge branch 'nd/command-list-gen-fix'Libravatar Junio C Hamano1-1/+1
Build tweak. * nd/command-list-gen-fix: build: fix broken command-list.h generation with core.autocrlf
2018-11-18Merge branch 'ag/p3400-force-checkout'Libravatar Junio C Hamano1-5/+5
Perf test tweak. * ag/p3400-force-checkout: p3400: replace calls to `git checkout -b' by `git checkout -B'
2018-11-18Merge branch 'cb/notes-freeing-always-null-fix'Libravatar Junio C Hamano1-3/+1
Code cleanup. * cb/notes-freeing-always-null-fix: builtin/notes: remove unnecessary free
2018-11-18Merge branch 'js/rebase-r-and-merge-head'Libravatar Junio C Hamano4-6/+32
Bugfix for the recently graduated "git rebase --rebase-merges". * js/rebase-r-and-merge-head: status: rebase and merge can be in progress at the same time built-in rebase --skip/--abort: clean up stale .git/<name> files rebase -i: include MERGE_HEAD into files to clean up rebase -r: do not write MERGE_HEAD unless needed rebase -r: demonstrate bug with conflicting merges
2018-11-18Merge branch 'js/apply-recount-allow-noop'Libravatar Junio C Hamano2-1/+13
When editing a patch in a "git add -i" session, a hunk could be made to no-op. The "git apply" program used to reject a patch with such a no-op hunk to catch user mistakes, but it is now updated to explicitly allow a no-op hunk in an edited patch. * js/apply-recount-allow-noop: apply --recount: allow "no-op hunks"
2018-11-18Merge branch 'ra/rev-parse-exclude-glob'Libravatar Junio C Hamano2-3/+61
"rev-parse --exclude=<pattern> --branches=<pattern>" etc. did not quite work, which has been corrected. * ra/rev-parse-exclude-glob: refs: fix some exclude patterns being ignored refs: show --exclude failure with --branches/tags/remotes=glob
2018-11-18Merge branch 'js/builtin-rebase-perf-fix'Libravatar Junio C Hamano1-33/+46
Code clean-up with correction to make the reimplemented "git rebase" a more faithful rewrite of the original, which also regains performance. * js/builtin-rebase-perf-fix: built-in rebase: reinstate `checkout -q` behavior where appropriate rebase: prepare reset_head() for more flags rebase: consolidate clean-up code before leaving reset_head()
2018-11-18Merge branch 'js/mailmap'Libravatar Junio C Hamano1-0/+13
Update the mailmap to unify multiple entries for the authors with commits since v2.10. * js/mailmap: Update .mailmap
2018-11-18Merge branch 'js/rebase-autostash-detach-fix'Libravatar Junio C Hamano2-1/+10
"git rebase --autostash" did not correctly re-attach the HEAD at times. * js/rebase-autostash-detach-fix: built-in rebase --autostash: leave the current branch alone if possible built-in rebase: demonstrate regression with --autostash
2018-11-18Merge branch 'ab/range-diff-no-patch'Libravatar Junio C Hamano3-1/+49
The "--no-patch" option, which can be used to get a high-level overview without the actual line-by-line patch difference shown, of the "range-diff" command was earlier broken, which has been corrected. * ab/range-diff-no-patch: range-diff: make diff option behavior (e.g. --stat) consistent range-diff: fix regression in passing along diff options range-diff doc: add a section about output stability
2018-11-18Merge branch 'jk/verify-sig-merge-into-void'Libravatar Junio C Hamano6-25/+64
"git merge" and "git pull" that merges into an unborn branch used to completely ignore "--verify-signatures", which has been corrected. * jk/verify-sig-merge-into-void: pull: handle --verify-signatures for unborn branch merge: handle --verify-signatures for unborn branch merge: extract verify_merge_signature() helper
2018-11-18Merge branch 'js/mingw-res-rebuild'Libravatar Junio C Hamano1-1/+1
Windows build update. * js/mingw-res-rebuild: Windows: force-recompile git.res for differing architectures
2018-11-18Merge branch 'jk/unused-parameter-fixes'Libravatar Junio C Hamano30-60/+164
Various functions have been audited for "-Wunused-parameter" warnings and bugs in them got fixed. * jk/unused-parameter-fixes: midx: double-check large object write loop assert NOARG/NONEG behavior of parse-options callbacks parse-options: drop OPT_DATE() apply: return -1 from option callback instead of calling exit(1) cat-file: report an error on multiple --batch options tag: mark "--message" option with NONEG show-branch: mark --reflog option as NONEG format-patch: mark "--no-numbered" option with NONEG status: mark --find-renames option with NONEG cat-file: mark batch options with NONEG pack-objects: mark index-version option as NONEG ls-files: mark exclude options as NONEG am: handle --no-patch-format option apply: mark include/exclude options as NONEG
2018-11-18Merge branch 'jk/curl-ldflags'Libravatar Junio C Hamano3-28/+22
The way -lcurl library gets linked has been simplified by taking advantage of the fact that we can just ask curl-config command how. * jk/curl-ldflags: build: link with curl-defined linker flags
2018-11-18Merge branch 'mg/gpg-fingerprint-test'Libravatar Junio C Hamano2-14/+70
Add a few tests for a topic already in 'master'. * mg/gpg-fingerprint-test: t/t7510-signed-commit.sh: add signing subkey to Eris Discordia key t/t7510-signed-commit.sh: Add %GP to custom format checks
2018-11-18Merge branch 'nd/pthreads'Libravatar Junio C Hamano16-231/+186
The codebase has been cleaned up to reduce "#ifndef NO_PTHREADS". * nd/pthreads: Clean up pthread_create() error handling read-cache.c: initialize copy_len to shut up gcc 8 read-cache.c: reduce branching based on HAVE_THREADS read-cache.c: remove #ifdef NO_PTHREADS pack-objects: remove #ifdef NO_PTHREADS preload-index.c: remove #ifdef NO_PTHREADS grep: clean up num_threads handling grep: remove #ifdef NO_PTHREADS attr.c: remove #ifdef NO_PTHREADS name-hash.c: remove #ifdef NO_PTHREADS index-pack: remove #ifdef NO_PTHREADS send-pack.c: move async's #ifdef NO_PTHREADS back to run-command.c run-command.h: include thread-utils.h instead of pthread.h thread-utils: macros to unconditionally compile pthreads API
2018-11-18Merge branch 'ds/reachable-topo-order'Libravatar Junio C Hamano11-39/+427
The revision walker machinery learned to take advantage of the commit generation numbers stored in the commit-graph file. * ds/reachable-topo-order: t6012: make rev-list tests more interesting revision.c: generation-based topo-order algorithm commit/revisions: bookkeeping before refactoring revision.c: begin refactoring --topo-order logic test-reach: add rev-list tests test-reach: add run_three_modes method prio-queue: add 'peek' operation
2018-11-17bundle: dup() output descriptor closer to point-of-useLibravatar Jeff King2-21/+24
When writing a bundle to a file, the bundle code actually creates "your.bundle.lock" using our lockfile interface. We feed that output descriptor to a child git-pack-objects via run-command, which has the quirk that it closes the output descriptor in the parent. To avoid confusing the lockfile code (which still thinks the descriptor is valid), we dup() it, and operate on the duplicate. However, this has a confusing side effect: after the dup() but before we call pack-objects, we have _two_ descriptors open to the lockfile. If we call die() during that time, the lockfile code will try to clean up the partially-written file. It knows to close() the file before unlinking, since on some platforms (i.e., Windows) the open file would block the deletion. But it doesn't know about the duplicate descriptor. On Windows, triggering an error at the right part of the code will result in the cleanup failing and the lockfile being left in the filesystem. We can solve this by moving the dup() much closer to start_command(), shrinking the window in which we have the second descriptor open. It's easy to place this in such a way that no die() is possible. We could still die due to a signal in the exact wrong moment, but we already tolerate races there (e.g., a signal could come before we manage to put the file on the cleanup list in the first place). As a bonus, this shields create_bundle() itself from the duplicate-fd trick, and we can simplify its error handling (note that the lock rollback now happens unconditionally, but that's OK; it's a noop if we didn't open the lock in the first place). The included test uses an empty bundle to cause a failure at the right spot in the code, because that's easy to trigger (the other likely errors are write() problems like ENOSPC). Note that it would already pass on non-Windows systems (because they are happy to unlink an already-open file). Based-on-a-patch-by: Gaël Lhez <gael.lhez@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Tested-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16tests: add a special setup where rebase.useBuiltin is offLibravatar Ævar Arnfjörð Bjarmason2-1/+8
Add a GIT_TEST_REBASE_USE_BUILTIN=false test mode which is equivalent to running with rebase.useBuiltin=false. This is needed to spot that we're not introducing any regressions in the legacy rebase version while we're carrying both it and the new builtin version. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16rebase doc: document rebase.useBuiltinLibravatar Ævar Arnfjörð Bjarmason1-0/+14
The rebase.useBuiltin variable introduced in 55071ea248 ("rebase: start implementing it as a builtin", 2018-08-07) was turned on by default in 5541bd5b8f ("rebase: default to using the builtin rebase", 2018-08-08), but had no documentation. Let's document it so that users who run into any stability issues with the C rewrite know there's an escape hatch[1], and make it clear that needing to turn off builtin rebase means you've found a bug in git. 1. https://public-inbox.org/git/87y39w1wc2.fsf@evledraar.gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16mingw: replace an obsolete link with the superseding oneLibravatar Johannes Schindelin1-2/+2
The MSDN documentation has been superseded by Microsoft Docs (which is backed by a repository on GitHub containing many, many files in Markdown format). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16Makefile: use FUZZ_CXXFLAGS for linking fuzzersLibravatar Josh Steadmon1-2/+4
OSS-Fuzz requires C++-specific flags to link fuzzers. Passing these in CFLAGS causes lots of build warnings. Using separate FUZZ_CXXFLAGS avoids this. Signed-off-by: Josh Steadmon <steadmon@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16tests: explicitly use `git.exe` on WindowsLibravatar Johannes Schindelin3-5/+11
On Windows, when we refer to `/an/absolute/path/to/git`, it magically resolves `git.exe` at that location. Except if something of the name `git` exists next to that `git.exe`. So if we call `$BUILD_DIR/git`, it will find `$BUILD_DIR/git.exe` *only* if there is not, say, a directory called `$BUILD_DIR/git`. Such a directory, however, exists in Git for Windows when building with Visual Studio (our Visual Studio project generator defaults to putting the build files into a directory whose name is the base name of the corresponding `.exe`). In the bin-wrappers/* scripts, we already take pains to use `git.exe` rather than `git`, as this could pick up the wrong thing on Windows (i.e. if there exists a `git` file or directory in the build directory). Now we do the same in the tests' start-up code. This also helps when testing an installed Git, as there might be even more likely some stray file or directory in the way. Note: the only way we can record whether the `.exe` suffix is by writing it to the `GIT-BUILD-OPTIONS` file and sourcing it at the beginning of `t/test-lib.sh`. This is not a requirement introduced by this patch, but we move the call to be able to use the `$X` variable that holds the file extension, if any. Note also: the many, many calls to `git this` and `git that` are unaffected, as the regular PATH search will find the `.exe` files on Windows (and not be confused by a directory of the name `git` that is in one of the directories listed in the `PATH` variable), while `/path/to/git` would not, per se, know that it is looking for an executable and happily prefer such a directory. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16tests: do not require Git to be built when testing an installed GitLibravatar Johannes Schindelin1-2/+7
We really only need the test helpers to be built in the worktree in that case, but that is not what we test for. On the other hand it is a perfect opportunity to verify that `GIT_TEST_INSTALLED` points to a working Git. So let's test the appropriate Git executable. While at it, also adjust the error message in the `GIT_TEST_INSTALLED` case. This patch is best viewed with `-w --patience`. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16doc: move extensions.worktreeConfig to the right placeLibravatar Nguyễn Thái Ngọc Duy3-19/+16
All config extensions are described in technical/repository-version.txt. I made a mistake of adding it in config.txt instead. This patch moves it back to where it belongs. Since repository-version.txt is not part of officially generated documents (it's not even part of DOC_HTML target), it's only visible to developers who read plain .txt files. Let's include it in gitrepository-layout.5 for more visibility. Some minor asciidoc fixes are required in repository-version.txt to make this happen. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16ref-filter: don't look for objects when outside of a repositoryLibravatar SZEDER Gábor2-0/+10
The command 'git ls-remote --sort=authordate <remote>' segfaults when run outside of a repository, ever since the introduction of its '--sort' option in 1fb20dfd8e (ls-remote: create '--sort' option, 2018-04-09). While in general the 'git ls-remote' command can be run outside of a repository just fine, its '--sort=<key>' option with certain keys does require access to the referenced objects. This sorting is implemented using the generic ref-filter sorting facility, which already handles missing objects gracefully with the appropriate 'missing object deadbeef for HEAD' message. However, being generic means that it checks replace refs while trying to retrieve an object, and while doing so it accesses the 'git_replace_ref_base' variable, which has not been initialized and is still a NULL pointer when outside of a repository, thus causing the segfault. Make ref-filter more careful upfront while parsing the format string, and make it error out when encountering a format atom requiring object access when we are not in a repository. Also add a test to ensure that 'git ls-remote --sort' fails gracefully when executed outside of a repository. Reported-by: H.Merijn Brand <h.m.brand@xs4all.nl> Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16config: report a bug if git_dir exists without commondirLibravatar Johannes Schindelin1-0/+2
This did happen at some stage, and was fixed relatively quickly. Make sure that we detect very quickly, too, should that happen again. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16rebase: validate -C<n> and --whitespace=<mode> parameters earlyLibravatar Johannes Schindelin2-1/+18
It is a good idea to error out early upon seeing, say, `-Cbad`, rather than starting the rebase only to have the `--am` backend complain later. Let's do this. The only options accepting parameters which we pass through to `git am` (which may, or may not, forward them to `git apply`) are `-C` and `--whitespace`. The other options we pass through do not accept parameters, so we do not have to validate them here. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-16rebase: really just passthru the `git am` optionsLibravatar Johannes Schindelin1-63/+35
Currently, we parse the options intended for `git am` as if we wanted to handle them in `git rebase`, and then reconstruct them painstakingly to define the `git_am_opt` variable. However, there is a much better way (that I was unaware of, at the time when I mentored Pratik to implement these options): OPT_PASSTHRU_ARGV. It is intended for exactly this use case, where command-line options want to be parsed into a separate `argv_array`. Let's use this feature. Incidentally, this also allows us to address a bug discovered by Phillip Wood, where the built-in rebase failed to understand that the `-C` option takes an optional argument. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>