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2021-07-13*.c static functions: add missing __attribute__((format))Libravatar Ævar Arnfjörð Bjarmason2-0/+3
Add missing __attribute__((format)) function attributes to various "static" functions that take printf arguments. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-07-12*.c static functions: don't forward-declare __attribute__Libravatar Ævar Arnfjörð Bjarmason2-6/+3
9cf6d3357aa (Add git-index-pack utility, 2005-10-12) and 466dbc42f58 (receive-pack: Send internal errors over side-band #2, 2010-02-10) we added these static functions and forward-declared their __attribute__((printf)). I think this may have been to work around some compiler limitation at the time, but in any case we have a lot of code that uses the briefer way of declaring these that I'm using here, so if we had any such issues with compilers we'd have seen them already. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-07-08Merge branch 'ab/cmd-foo-should-return'Libravatar Junio C Hamano3-6/+5
Code clean-up. * ab/cmd-foo-should-return: builtins + test helpers: use return instead of exit() in cmd_*
2021-07-08Merge branch 'fc/pull-cleanups'Libravatar Junio C Hamano1-15/+11
Code cleanup. * fc/pull-cleanups: pull: trivial whitespace style fix pull: trivial cleanup pull: cleanup autostash check
2021-07-08Merge branch 'ar/typofix'Libravatar Junio C Hamano1-2/+1
Typofixes. * ar/typofix: *: fix typos which duplicate a word
2021-07-08Merge branch 'ah/uninitialized-reads-fix'Libravatar Junio C Hamano1-1/+1
Make the codebase MSAN clean. * ah/uninitialized-reads-fix: builtin/checkout--worker: zero-initialise struct to avoid MSAN complaints split-index: use oideq instead of memcmp to compare object_id's bulk-checkin: make buffer reuse more obvious and safer
2021-06-19pull: trivial whitespace style fixLibravatar Felipe Contreras1-3/+3
Two spaces unaligned to anything is not part of the coding-style. A single tab is. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-19pull: trivial cleanupLibravatar Felipe Contreras1-4/+2
There's no need to store ran_ff. Now it's obvious from the conditionals. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-19pull: cleanup autostash checkLibravatar Felipe Contreras1-9/+7
Currently "git pull --rebase" takes a shortcut in the case a fast-forward merge is possible; run_merge() is called with --ff-only. However, "git merge" didn't have an --autostash option, so, when "git pull --rebase --autostash" was called *and* the fast-forward merge shortcut was taken, then the pull failed. This was fixed in commit f15e7cf5cc (pull: ff --rebase --autostash works in dirty repo, 2017-06-01) by simply skipping the fast-forward merge shortcut. Later on "git merge" learned the --autostash option [a03b55530a (merge: teach --autostash option, 2020-04-07)], and so did "git pull" [d9f15d37f1 (pull: pass --autostash to merge, 2020-04-07)]. Therefore it's not necessary to skip the fast-forward merge shortcut anymore when called with --rebase --autostash. Let's always take the fast-forward merge shortcut by essentially reverting f15e7cf5cc. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-15builtin/checkout--worker: zero-initialise struct to avoid MSAN complaintsLibravatar Andrzej Hunt1-1/+1
report_result() sends a struct to the parent process, but that struct would contain uninitialised padding bytes. Running this code under MSAN rightly triggers a warning - but we don't particularly care about this warning because we control the receiving code, and we therefore know that those padding bytes won't be read on the receiving end. We could simply suppress this warning under MSAN with the approporiate ifdef'd attributes, but a less intrusive solution is to 0-initialise the struct, which guarantees that the padding will also be initialised. Interestingly, in the error-case branch, we only try to copy the first two members of pc_item_result, by copying only PC_ITEM_RESULT_BASE_SIZE bytes. However PC_ITEM_RESULT_BASE_SIZE is defined as 'offsetof(the_last_member)', which means that we're copying padding bytes after the end of the second last member. We could avoid doing this by redefining PC_ITEM_RESULT_BASE_SIZE as 'offsetof(second_last_member) + sizeof(second_last_member)', but there's no huge benefit to doing so (and this patch silences the MSAN warning in this scenario either way). MSAN output from t2080 (partially interleaved due to the parallel work :) ): Uninitialized bytes in __interceptor_write at offset 12 inside [0x7fff37d83408, 160) ==23279==WARNING: MemorySanitizer: use-of-uninitialized-value Uninitialized bytes in __interceptor_write at offset 12 inside [0x7ffdb8a07ec8, 160) ==23280==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0xd5ac28 in xwrite /home/ahunt/git/git/wrapper.c:256:8 #1 0xd5b327 in write_in_full /home/ahunt/git/git/wrapper.c:311:21 #2 0xb0a8c4 in do_packet_write /home/ahunt/git/git/pkt-line.c:221:6 #3 0xb0a5fd in packet_write /home/ahunt/git/git/pkt-line.c:242:6 #4 0x4f7441 in report_result /home/ahunt/git/git/builtin/checkout--worker.c:69:2 #5 0x4f6be6 in worker_loop /home/ahunt/git/git/builtin/checkout--worker.c:100:3 #6 0x4f68d3 in cmd_checkout__worker /home/ahunt/git/git/builtin/checkout--worker.c:143:2 #7 0x4a1e76 in run_builtin /home/ahunt/git/git/git.c:461:11 #8 0x49e1e7 in handle_builtin /home/ahunt/git/git/git.c:714:3 #9 0x4a0c08 in run_argv /home/ahunt/git/git/git.c:781:4 #10 0x49d5a8 in cmd_main /home/ahunt/git/git/git.c:912:19 #11 0x7974da in main /home/ahunt/git/git/common-main.c:52:11 #12 0x7f8778114349 in __libc_start_main (/lib64/libc.so.6+0x24349) #13 0x421bd9 in _start /home/abuild/rpmbuild/BUILD/glibc-2.26/csu/../sysdeps/x86_64/start.S:120 Uninitialized value was created by an allocation of 'res' in the stack frame of function 'report_result' #0 0x4f72c0 in report_result /home/ahunt/git/git/builtin/checkout--worker.c:55 SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/ahunt/git/git/wrapper.c:256:8 in xwrite Exiting #0 0xd5ac28 in xwrite /home/ahunt/git/git/wrapper.c:256:8 #1 0xd5b327 in write_in_full /home/ahunt/git/git/wrapper.c:311:21 #2 0xb0a8c4 in do_packet_write /home/ahunt/git/git/pkt-line.c:221:6 #3 0xb0a5fd in packet_write /home/ahunt/git/git/pkt-line.c:242:6 #4 0x4f7441 in report_result /home/ahunt/git/git/builtin/checkout--worker.c:69:2 #5 0x4f6be6 in worker_loop /home/ahunt/git/git/builtin/checkout--worker.c:100:3 #6 0x4f68d3 in cmd_checkout__worker /home/ahunt/git/git/builtin/checkout--worker.c:143:2 #7 0x4a1e76 in run_builtin /home/ahunt/git/git/git.c:461:11 #8 0x49e1e7 in handle_builtin /home/ahunt/git/git/git.c:714:3 #9 0x4a0c08 in run_argv /home/ahunt/git/git/git.c:781:4 #10 0x49d5a8 in cmd_main /home/ahunt/git/git/git.c:912:19 #11 0x7974da in main /home/ahunt/git/git/common-main.c:52:11 #12 0x7f2749a0e349 in __libc_start_main (/lib64/libc.so.6+0x24349) #13 0x421bd9 in _start /home/abuild/rpmbuild/BUILD/glibc-2.26/csu/../sysdeps/x86_64/start.S:120 Uninitialized value was created by an allocation of 'res' in the stack frame of function 'report_result' #0 0x4f72c0 in report_result /home/ahunt/git/git/builtin/checkout--worker.c:55 SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/ahunt/git/git/wrapper.c:256:8 in xwrite Signed-off-by: Andrzej Hunt <andrzej@ahunt.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-14Merge branch 'so/log-m-implies-p'Libravatar Junio C Hamano2-1/+10
The "-m" option in "git log -m" that does not specify which format, if any, of diff is desired did not have any visible effect; it now implies some form of diff (by default "--patch") is produced. * so/log-m-implies-p: diff-merges: let "-m" imply "-p" diff-merges: rename "combined_imply_patch" to "merges_imply_patch" stash list: stop passing "-m" to "git log" git-svn: stop passing "-m" to "git rev-list" diff-merges: move specific diff-index "-m" handling to diff-index t4013: test "git diff-index -m" t4013: test "git diff-tree -m" t4013: test "git log -m --stat" t4013: test "git log -m --raw" t4013: test that "-m" alone has no effect in "git log"
2021-06-14Merge branch 'jk/clone-clean-upon-transport-error'Libravatar Junio C Hamano1-7/+4
Recent "git clone" left a temporary directory behind when the transport layer returned an failure. * jk/clone-clean-upon-transport-error: clone: clean up directory after transport_fetch_refs() failure
2021-06-14*: fix typos which duplicate a wordLibravatar Andrei Rybak1-2/+1
Fix typos in documentation, code comments, and RelNotes which repeat various words. In trivial cases, just delete the duplicated word and rewrap text, if needed. Reword the affected sentence in Documentation/RelNotes/1.8.4.txt for it to make sense. Signed-off-by: Andrei Rybak <rybak.a.v@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-10Merge branch 'ah/fetch-reject-warning-grammofix'Libravatar Junio C Hamano1-1/+1
Message update. * ah/fetch-reject-warning-grammofix: fetch: improve grammar of "shallow roots" message
2021-06-10Merge branch 'wm/rev-parse-die-i18n'Libravatar Junio C Hamano1-15/+15
Quite a many die() messages in rev-parse haven't been marked for translation. * wm/rev-parse-die-i18n: rev-parse: mark die() messages for translation
2021-06-10Merge branch 'ah/submodule-helper-module-summary-parseopt'Libravatar Junio C Hamano1-1/+1
Message update. * ah/submodule-helper-module-summary-parseopt: submodule: use the imperative mood to describe the --files option
2021-06-10Merge branch 'ah/stash-usage-i18n-fix'Libravatar Junio C Hamano1-2/+2
i18n update. * ah/stash-usage-i18n-fix: stash: don't translate literal commands
2021-06-10Merge branch 'ah/merge-usage-i18n-fix'Libravatar Junio C Hamano1-2/+2
i18n update. * ah/merge-usage-i18n-fix: merge: don't translate literal commands
2021-06-09builtins + test helpers: use return instead of exit() in cmd_*Libravatar Ævar Arnfjörð Bjarmason3-6/+5
Change various cmd_* functions that claim to return an "int" to use "return" instead of exit() to indicate an exit code. These were not marked with NORETURN, and by directly exit()-ing we'll skip the cleanup git.c would otherwise do (e.g. closing fd's, erroring if we can't). See run_builtin() in git.c. In the case of shell.c and sh-i18n--envsubst.c this was the result of an incomplete migration to using a cmd_main() in 3f2e2297b9 (add an extra level of indirection to main(), 2016-07-01). This was spotted by SunCC 12.5 on Solaris 10 (gcc210 on the gccfarm). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-02Merge branch 'ab/fsck-api-cleanup'Libravatar Junio C Hamano1-1/+2
Last minute compilation fix. * ab/fsck-api-cleanup: builtin/fsck.c: don't conflate "int" and "enum" in callback
2021-06-02builtin/fsck.c: don't conflate "int" and "enum" in callbackLibravatar Ævar Arnfjörð Bjarmason1-1/+2
Fix a warning on AIX's xlc compiler that's been emitted since my a1aad71601a (fsck.h: use "enum object_type" instead of "int", 2021-03-28): "builtin/fsck.c", line 805.32: 1506-068 (W) Operation between types "int(*)(struct object*,enum object_type,void*,struct fsck_options*)" and "int(*)(struct object*,int,void*,struct fsck_options*)" is not allowed. I.e. it complains about us assigning a function with a prototype "int" where we're expecting "enum object_type". Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-27Merge branch 'ab/pack-linkage-fix'Libravatar Junio C Hamano1-7/+167
"ld" on Solaris fails to link some test helpers, which has been worked around by reshuffling the inline function definitions from a header file to a source file that is the only user of them. * ab/pack-linkage-fix: pack-objects: move static inline from a header to the sole consumer
2021-05-27pack-objects: move static inline from a header to the sole consumerLibravatar Ævar Arnfjörð Bjarmason1-7/+167
Move the code that is only used in builtin/pack-objects.c out of pack-objects.h. This fixes an issue where Solaris's SunCC hasn't been able to compile git since 483fa7f42d9 (t/helper/test-bitmap.c: initial commit, 2021-03-31). The real origin of that issue is that in 898eba5e630 (pack-objects: refer to delta objects by index instead of pointer, 2018-04-14) utility functions only needed by builtin/pack-objects.c were added to pack-objects.h. Since then the header has been used in a few other places, but 483fa7f42d9 was the first time it was used by test helper. Since Solaris is stricter about linking and the oe_get_size_slow() function lives in builtin/pack-objects.c the build started failing with: Undefined first referenced symbol in file oe_get_size_slow t/helper/test-bitmap.o ld: fatal: symbol referencing errors. No output written to t/helper/test-tool On other platforms this is presumably OK because the compiler and/or linker detects that the "static inline" functions that reference oe_get_size_slow() aren't used. Let's solve this by moving the relevant code from pack-objects.h to builtin/pack-objects.c. This is almost entirely a code-only move, but because of the early macro definitions in that file referencing some of these inline functions we need to move the definition of "static struct packing_data to_pack" earlier, and declare these inline functions above the macros. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-25Merge branch 'mt/init-template-userpath-fix'Libravatar Junio C Hamano1-1/+2
Regression fix. * mt/init-template-userpath-fix: init: fix bug regarding ~/ expansion in init.templateDir
2021-05-25init: fix bug regarding ~/ expansion in init.templateDirLibravatar Matheus Tavares1-1/+2
We used to read the init.templateDir setting at builtin/init-db.c using a git_config() callback that, in turn, called git_config_pathname(). To simplify the config reading logic at this file and plug a memory leak, this was replaced by a direct call to git_config_get_value() at e4de4502e6 ("init: remove git_init_db_config() while fixing leaks", 2021-03-14). However, this function doesn't provide path expanding semantics, like git_config_pathname() does, so paths with '~/' and '~user/' are treated literally. This makes 'git init' fail to handle init.templateDir paths using these constructs: $ git config init.templateDir '~/templates_dir' $ git init 'warning: templates not found in ~/templates_dir' Replace the git_config_get_value() call by git_config_get_pathname(), which does the '~/' and '~user/' expansions. Also add a regression test. Note that unlike git_config_get_value(), the config cache does not own the memory for the path returned by git_config_get_pathname(), so we must free() it. Reported on IRC by rkta. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-22Merge branch 'dl/stash-show-untracked-fixup'Libravatar Junio C Hamano1-4/+1
Another brown paper bag inconsistency fix for a new feature introduced during this cycle. * dl/stash-show-untracked-fixup: stash show: use stash.showIncludeUntracked even when diff options given
2021-05-22Merge branch 'wm/rev-parse-path-format-wo-arg'Libravatar Junio C Hamano1-0/+2
The "rev-parse" command did not diagnose the lack of argument to "--path-format" option, which was introduced in v2.31 era, which has been corrected. * wm/rev-parse-path-format-wo-arg: rev-parse: fix segfault with missing --path-format argument
2021-05-22stash show: use stash.showIncludeUntracked even when diff options givenLibravatar Denton Liu1-4/+1
If options pertaining to how the diff is displayed is provided to `git stash show`, the command will ignore the stash.showIncludeUntracked configuration variable, defaulting to not showing any untracked files. This is unintuitive behaviour since the format of the diff output and whether or not to display untracked files are orthogonal. Use stash.showIncludeUntracked even when diff options are given. Of course, this is still overridable via the command-line options. Update the documentation to explicitly say which configuration variables will be overridden when a diff options are given. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-21stash list: stop passing "-m" to "git log"Libravatar Sergey Organov1-1/+1
Passing "-m" in "git log --first-parent -m" is not needed as --first-parent implies --diff-merges=first-parent anyway. OTOH, it will stop being harmless once we let "-m" imply "-p". While we are at it, fix corresponding test description in t3903-stash to match what it actually tests. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-21diff-merges: move specific diff-index "-m" handling to diff-indexLibravatar Sergey Organov1-0/+9
Move specific handling of "-m" for diff-index to diff-index.c, so diff-merges is left to handle only diff for merges options. Being a better design by itself, this is especially essential in preparation for letting -m imply -p, as "diff-index -m" obviously should not imply -p, as it's entirely unrelated. To handle this, in addition to moving specific diff-index "-m" code out of diff-merges, we introduce new diff_merges_suppress_options_parsing() and call it before generic options processing in cmd_diff_index(). This new diff_merges_suppress_options_parsing() could then be reused and called before invocations of setup_revisions() for other commands that don't need --diff-merges options, but that's outside of the scope of these patch series. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-20fetch: improve grammar of "shallow roots" messageLibravatar Alex Henrie1-1/+1
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-20Merge branch 'en/dir-traversal'Libravatar Junio C Hamano3-6/+5
"git clean" and "git ls-files -i" had confusion around working on or showing ignored paths inside an ignored directory, which has been corrected. * en/dir-traversal: dir: introduce readdir_skip_dot_and_dotdot() helper dir: update stale description of treat_directory() dir: traverse into untracked directories if they may have ignored subfiles dir: avoid unnecessary traversal into ignored directory t3001, t7300: add testcase showcasing missed directory traversal t7300: add testcase showing unnecessary traversal into ignored directory ls-files: error out on -i unless -o or -c are specified dir: report number of visited directories and paths with trace2 dir: convert trace calls to trace2 equivalents
2021-05-19clone: clean up directory after transport_fetch_refs() failureLibravatar Jeff King1-7/+4
git-clone started respecting errors from the transport subsystem in aab179d937 (builtin/clone.c: don't ignore transport_fetch_refs() errors, 2020-12-03). However, that commit didn't handle the cleanup of the filesystem quite right. The cleanup of the directory that cmd_clone() creates is done by an atexit() handler, which we control with a flag. It starts as JUNK_LEAVE_NONE ("clean up everything"), then progresses to JUNK_LEAVE_REPO when we know we have a valid repo but not working tree, and then finally JUNK_LEAVE_ALL when we have a successful checkout. Most errors cause us to die(), which then triggers the handler to do the right thing based on how far into cmd_clone() we got. But the checks added by aab179d937 instead set the "err" variable and then jump to a new "cleanup" label, which then returns our non-zero status. However, the code after the cleanup label includes setting the flag to JUNK_LEAVE_ALL, and so we accidentally leave the repository and working tree in place. One obvious option to fix this is to reorder the end of the function to set the flag first, before cleanup code, and put the label between them. But we can observe another small bug: the error return from transport_fetch_refs() is generally "-1", and we propagate that to the return value of cmd_clone(), which ultimately becomes the exit code of the process. And we try to avoid transmitting negative values via exit codes (only the low 8 bits are passed along as an unsigned value, though in practice for "-1" this at least retains the property that it's non-zero). Instead, let's just die(). That makes us consistent with rest of the code in the function. It does add a new "fatal:" line to the output, but I'd argue that's a good thing: - in the rare case that the transport code didn't say anything, now the user gets _some_ error message - even if the transport code said something like "error: ssh died of signal 9", it's nice to also say "fatal" to indicate that we considered that to be a show-stopper. Triggering this in the test suite turns out to be surprisingly difficult. Almost every error we'd encounter, including ones deep inside the transport code, cause us to just die() right there! However, one way is to put a fake wrapper around git-upload-pack that sends the complete packfile but exits with a failure code. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-17rev-parse: mark die() messages for translationLibravatar Wolfgang Müller1-15/+15
These error messages are intended for the user. Let's touch them up since we're here from the previous commit. Signed-off-by: Wolfgang Müller <wolf@oriole.systems> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-17rev-parse: fix segfault with missing --path-format argumentLibravatar Wolfgang Müller1-0/+2
Calling "git rev-parse --path-format" without an argument segfaults instead of giving an error message. Commit fac60b8925 (rev-parse: add option for absolute or relative path formatting, 2020-12-13) added the argument parsing code but forgot to handle NULL. Returning an error makes sense here because there is no default value we could use. Add a test case to verify. Signed-off-by: Wolfgang Müller <wolf@oriole.systems> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-17submodule: use the imperative mood to describe the --files optionLibravatar Alex Henrie1-1/+1
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-17stash: don't translate literal commandsLibravatar Alex Henrie1-2/+2
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-16Merge branch 'dl/stash-show-untracked-fixup'Libravatar Junio C Hamano1-2/+6
The code to handle options recently added to "git stash show" around untracked part of the stash segfaulted when these options were used on a stash entry that does not record untracked part. * dl/stash-show-untracked-fixup: stash show: fix segfault with --{include,only}-untracked t3905: correct test title
2021-05-16Merge branch 'lh/maintenance-leakfix'Libravatar Junio C Hamano1-2/+8
* lh/maintenance-leakfix: maintenance: fix two memory leaks
2021-05-16Merge branch 'dd/mailinfo-quoted-cr'Libravatar Junio C Hamano2-33/+133
"git mailinfo" (hence "git am") learned the "--quoted-cr" option to control how lines ending with CRLF wrapped in base64 or qp are handled. * dd/mailinfo-quoted-cr: am: learn to process quoted lines that ends with CRLF mailinfo: allow stripping quoted CR without warning mailinfo: allow squelching quoted CRLF warning mailinfo: warn if CRLF found in decoded base64/QP email mailinfo: stop parsing options manually mailinfo: load default metainfo_charset lazily
2021-05-16Merge branch 'mt/parallel-checkout-part-3'Libravatar Junio C Hamano4-15/+35
The final part of "parallel checkout". * mt/parallel-checkout-part-3: ci: run test round with parallel-checkout enabled parallel-checkout: add tests related to .gitattributes t0028: extract encoding helpers to lib-encoding.sh parallel-checkout: add tests related to path collisions parallel-checkout: add tests for basic operations checkout-index: add parallel checkout support builtin/checkout.c: complete parallel checkout support make_transient_cache_entry(): optionally alloc from mem_pool
2021-05-16Merge branch 'jt/push-negotiation'Libravatar Junio C Hamano1-1/+26
"git push" learns to discover common ancestor with the receiving end over protocol v2. * jt/push-negotiation: send-pack: support push negotiation fetch: teach independent negotiation (no packfile) fetch-pack: refactor command and capability write fetch-pack: refactor add_haves() fetch-pack: refactor process_acks()
2021-05-16merge: don't translate literal commandsLibravatar Alex Henrie1-2/+2
These strings have not been modified in any translation, nor should they be. Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-14Merge branch 'mt/clean-clean'Libravatar Junio C Hamano1-3/+1
Code clean-up. * mt/clean-clean: clean: remove unnecessary variable
2021-05-14Merge branch 'ow/no-dryrun-in-add-i'Libravatar Junio C Hamano1-0/+2
"git add -i --dry-run" does not dry-run, which was surprising. The combination of options has taught to error out. * ow/no-dryrun-in-add-i: add: die if both --dry-run and --interactive are given
2021-05-13stash show: fix segfault with --{include,only}-untrackedLibravatar Denton Liu1-2/+6
When `git stash show --include-untracked` or `git stash show --only-untracked` is run on a stash that doesn't include an untracked entry, a segfault occurs. This happens because we do not check whether the untracked entry is actually present and just attempt to blindly dereference it. Ensure that the untracked entry is present before actually attempting to dereference it. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-13dir: introduce readdir_skip_dot_and_dotdot() helperLibravatar Elijah Newren2-6/+2
Many places in the code were doing while ((d = readdir(dir)) != NULL) { if (is_dot_or_dotdot(d->d_name)) continue; ...process d... } Introduce a readdir_skip_dot_and_dotdot() helper to make that a one-liner: while ((d = readdir_skip_dot_and_dotdot(dir)) != NULL) { ...process d... } This helper particularly simplifies checks for empty directories. Also use this helper in read_cached_dir() so that our statistics are consistent across platforms. (In other words, read_cached_dir() should have been using is_dot_or_dotdot() and skipping such entries, but did not and left it to treat_path() to detect and mark such entries as path_none.) Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-13ls-files: error out on -i unless -o or -c are specifiedLibravatar Elijah Newren1-0/+3
ls-files --ignored can be used together with either --others or --cached. After being perplexed for a bit and digging in to the code, I assumed that ls-files -i was just broken and not printing anything and I had a nice patch ready to submit when I finally realized that -i can be used with --cached to find tracked ignores. While that was a mistake on my part, and a careful reading of the documentation could have made this more clear, I suspect this is an error others are likely to make as well. In fact, of two uses in our testsuite, I believe one of the two did make this error. In t1306.13, there are NO tracked files, and all the excludes built up and used in that test and in previous tests thus have to be about untracked files. However, since they were looking for an empty result, the mistake went unnoticed as their erroneous command also just happened to give an empty answer. -i will most the time be used with -o, which would suggest we could just make -i imply -o in the absence of either a -o or -c, but that would be a backward incompatible break. Instead, let's just flag -i without either a -o or -c as an error, and update the two relevant testcases to specify their intent. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-12maintenance: fix two memory leaksLibravatar Lénaïc Huard1-2/+8
Fixes two memory leaks when running `git maintenance start` or `git maintenance stop` in `update_background_schedule`: $ valgrind --leak-check=full ~/git/bin/git maintenance start ==76584== Memcheck, a memory error detector ==76584== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==76584== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info ==76584== Command: /home/lenaic/git/bin/git maintenance start ==76584== ==76584== ==76584== HEAP SUMMARY: ==76584== in use at exit: 34,880 bytes in 252 blocks ==76584== total heap usage: 820 allocs, 568 frees, 146,414 bytes allocated ==76584== ==76584== 65 bytes in 1 blocks are definitely lost in loss record 17 of 39 ==76584== at 0x483E6AF: malloc (vg_replace_malloc.c:306) ==76584== by 0x3DC39C: xrealloc (wrapper.c:126) ==76584== by 0x3992CC: strbuf_grow (strbuf.c:98) ==76584== by 0x39A473: strbuf_vaddf (strbuf.c:392) ==76584== by 0x39BC54: xstrvfmt (strbuf.c:979) ==76584== by 0x39BD2C: xstrfmt (strbuf.c:989) ==76584== by 0x18451B: update_background_schedule (gc.c:1977) ==76584== by 0x1846F6: maintenance_start (gc.c:2011) ==76584== by 0x1847B4: cmd_maintenance (gc.c:2030) ==76584== by 0x127A2E: run_builtin (git.c:453) ==76584== by 0x127E81: handle_builtin (git.c:704) ==76584== by 0x128142: run_argv (git.c:771) ==76584== ==76584== 240 bytes in 1 blocks are definitely lost in loss record 29 of 39 ==76584== at 0x4840D7B: realloc (vg_replace_malloc.c:834) ==76584== by 0x491CE5D: getdelim (in /usr/lib/libc-2.33.so) ==76584== by 0x39ADD7: strbuf_getwholeline (strbuf.c:635) ==76584== by 0x39AF31: strbuf_getdelim (strbuf.c:706) ==76584== by 0x39B064: strbuf_getline_lf (strbuf.c:727) ==76584== by 0x184273: crontab_update_schedule (gc.c:1919) ==76584== by 0x184678: update_background_schedule (gc.c:1997) ==76584== by 0x1846F6: maintenance_start (gc.c:2011) ==76584== by 0x1847B4: cmd_maintenance (gc.c:2030) ==76584== by 0x127A2E: run_builtin (git.c:453) ==76584== by 0x127E81: handle_builtin (git.c:704) ==76584== by 0x128142: run_argv (git.c:771) ==76584== ==76584== LEAK SUMMARY: ==76584== definitely lost: 305 bytes in 2 blocks ==76584== indirectly lost: 0 bytes in 0 blocks ==76584== possibly lost: 0 bytes in 0 blocks ==76584== still reachable: 34,575 bytes in 250 blocks ==76584== suppressed: 0 bytes in 0 blocks ==76584== Reachable blocks (those to which a pointer was found) are not shown. ==76584== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==76584== ==76584== For lists of detected and suppressed errors, rerun with: -s ==76584== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0) Signed-off-by: Lénaïc Huard <lenaic@lhuard.fr> Acked-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-11Merge branch 'jk/pack-objects-negative-options-fix'Libravatar Junio C Hamano1-0/+4
Options to "git pack-objects" that take numeric values like --window and --depth should not accept negative values; the input validation has been tightened. * jk/pack-objects-negative-options-fix: pack-objects: clamp negative depth to 0 t5316: check behavior of pack-objects --depth=0 pack-objects: clamp negative window size to 0 t5300: check that we produced expected number of deltas t5300: modernize basic tests