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2021-12-10Merge branch 'cb/mingw-gmtime-r'Junio C Hamano2-1/+5
Build fix on Windows. * cb/mingw-gmtime-r: mingw: avoid fallback for {local,gm}time_r()
2021-12-10Merge branch 'yn/complete-date-format-options'Junio C Hamano1-1/+1
The completion script (in contrib/) learns that the "--date" option of commands from the "git log" family takes "human" and "auto" as valid values. * yn/complete-date-format-options: completion: add human and auto: date format
2021-12-10Merge branch 'em/missing-pager'Junio C Hamano2-1/+8
When a non-existent program is given as the pager, we tried to reuse an uninitialized child_process structure and crashed, which has been fixed. * em/missing-pager: pager: fix crash when pager program doesn't exist
2021-12-10Merge branch 'mp/absorb-submodule-git-dir-upon-deinit'Junio C Hamano2-16/+16
"git submodule deinit" for a submodule whose .git metadata directory is embedded in its working tree refused to work, until the submodule gets converted to use the "absorbed" form where the metadata directory is stored in superproject, and a gitfile at the top-level of the working tree of the submodule points at it. The command is taught to convert such submodules to the absorbed form as needed. * mp/absorb-submodule-git-dir-upon-deinit: submodule: absorb git dir instead of dying on deinit
2021-12-10Merge branch 'bc/require-c99'Junio C Hamano3-2/+15
Weather balloon to break people with compilers that do not support C99. * bc/require-c99: git-compat-util: add a test balloon for C99 support
2021-12-10Merge branch 'hn/create-reflog-simplify'Junio C Hamano10-21/+16
A small simplification of API. * hn/create-reflog-simplify: refs: drop force_create argument of create_reflog API
2021-12-10Merge branch 'jt/midx-doc-fix'Junio C Hamano1-5/+0
Docfix. * jt/midx-doc-fix: Doc: no midx and partial clone relation
2021-12-10Merge branch 'jk/t7006-sigpipe-tests-fix'Junio C Hamano2-50/+23
The function to cull a child process and determine the exit status had two separate code paths for normal callers and callers in a signal handler, and the latter did not yield correct value when the child has caught a signal. The handling of the exit status has been unified for these two code paths. An existing test with flakiness has also been corrected. * jk/t7006-sigpipe-tests-fix: t7006: simplify exit-code checks for sigpipe tests t7006: clean up SIGPIPE handling in trace2 tests run-command: unify signal and regular logic for wait_or_whine()
2021-12-10Merge branch 'jk/refs-g11-workaround'Junio C Hamano1-0/+7
Workaround for a false-alarm by gcc-11 * jk/refs-g11-workaround: refs: work around gcc-11 warning with REF_HAVE_NEW
2021-12-10Merge branch 'jk/fetch-pack-avoid-sigpipe-to-index-pack'Junio C Hamano1-0/+5
"git fetch", when received a bad packfile, can fail with SIGPIPE. This wasn't wrong per-se, but we now detect the situation and fail in a more predictable way. * jk/fetch-pack-avoid-sigpipe-to-index-pack: fetch-pack: ignore SIGPIPE when writing to index-pack
2021-12-10Merge branch 'hk/ci-checkwhitespace-commentfix'Junio C Hamano1-2/+3
Comment fix. * hk/ci-checkwhitespace-commentfix: ci(check-whitespace): update stale file top comments
2021-12-10Merge branch 'vd/sparse-reset'Junio C Hamano8-37/+356
Various operating modes of "git reset" have been made to work better with the sparse index. * vd/sparse-reset: unpack-trees: improve performance of next_cache_entry reset: make --mixed sparse-aware reset: make sparse-aware (except --mixed) reset: integrate with sparse index reset: expand test coverage for sparse checkouts sparse-index: update command for expand/collapse test reset: preserve skip-worktree bit in mixed reset reset: rename is_missing to !is_in_reset_tree
2021-12-10Merge branch 'tl/midx-docfix'Junio C Hamano1-6/+6
Doc mark-up fix. * tl/midx-docfix: midx: fix a formatting issue in "multi-pack-index.txt"
2021-12-10Merge branch 'po/size-t-for-vs'Junio C Hamano3-5/+5
On platforms where ulong is shorter than size_t, code paths that shifted 1 or 1U to the left lacked the necessary cast to size_t, which have been corrected. * po/size-t-for-vs: object-file.c: LLP64 compatibility, upcast unity for left shift diffcore-delta.c: LLP64 compatibility, upcast unity for left shift repack.c: LLP64 compatibility, upcast unity for left shift
2021-12-10Merge branch 'rs/mergesort'Junio C Hamano1-1/+1
Bitop fix for platforms whose "long" is 32-bit. * rs/mergesort: mergesort: avoid left shift overflow
2021-12-10Merge branch 'ah/advice-pull-has-no-preference-between-rebase-and-merge'Junio C Hamano1-1/+1
The advice message given by "git pull" when the user hasn't made a choice between merge and rebase still said that the merge is the default, which no longer is the case. This has been corrected. * ah/advice-pull-has-no-preference-between-rebase-and-merge: pull: don't say that merge is "the default strategy"
2021-12-10Merge branch 'ab/checkout-branch-info-leakfix'Junio C Hamano36-31/+98
Leakfix. * ab/checkout-branch-info-leakfix: checkout: fix "branch info" memory leaks
2021-12-10Merge branch 'jk/t5319-midx-corruption-test-deflake'Junio C Hamano1-2/+4
Test fix. * jk/t5319-midx-corruption-test-deflake: t5319: corrupt more bytes of the midx checksum
2021-12-10Merge branch 'js/trace2-avoid-recursive-errors'Junio C Hamano1-2/+7
trace2 error code path fix. * js/trace2-avoid-recursive-errors: trace2: disable tr2_dst before warning on write errors
2021-12-10Merge branch 'jt/pack-header-lshift-overflow'Junio C Hamano1-1/+1
The code to decode the length of packed object size has been corrected. * jt/pack-header-lshift-overflow: packfile: avoid overflowing shift during decode
2021-12-10Merge branch 'jk/jump-merge-with-pathspec'Junio C Hamano2-1/+4
The "merge" subcommand of "git jump" (in contrib/) silently ignored pathspec and other parameters. * jk/jump-merge-with-pathspec: git-jump: pass "merge" arguments to ls-files
2021-12-10Merge branch 'jk/test-bitmap-fix'Junio C Hamano1-1/+1
Tighten code for testing pack-bitmap. * jk/test-bitmap-fix: test_bitmap_hashes(): handle repository without bitmaps
2021-12-10Merge branch 'ab/generate-command-list'Junio C Hamano2-44/+56
Build optimization. * ab/generate-command-list: generate-cmdlist.sh: don't parse command-list.txt thrice generate-cmdlist.sh: replace "grep' invocation with a shell version generate-cmdlist.sh: do not shell out to "sed" generate-cmdlist.sh: stop sorting category lines generate-cmdlist.sh: replace for loop by printf's auto-repeat feature generate-cmdlist.sh: run "grep | sort", not "sort | grep" generate-cmdlist.sh: don't call get_categories() from category_list() generate-cmdlist.sh: spawn fewer processes generate-cmdlist.sh: trivial whitespace change command-list.txt: sort with "LC_ALL=C sort"
2021-12-10Merge branch 'tw/var-default-branch'Junio C Hamano3-0/+30
"git var GIT_DEFAULT_BRANCH" is a way to see what name is used for the newly created branch if "git init" is run. * tw/var-default-branch: var: add GIT_DEFAULT_BRANCH variable
2021-12-10Merge branch 'jk/strbuf-addftime-seconds-since-epoch'Junio C Hamano5-3/+20
The "--date=format:<strftime>" gained a workaround for the lack of system support for a non-local timezone to handle "%s" placeholder. * jk/strbuf-addftime-seconds-since-epoch: strbuf_addftime(): handle "%s" manually
2021-12-10Merge branch 'js/ci-no-directional-formatting'Junio C Hamano2-0/+28
CI has been taught to catch some Unicode directional formatting sequence that can be used in certain mischief. * js/ci-no-directional-formatting: ci: disallow directional formatting
2021-12-10Merge branch 'jc/fix-first-object-walk'Junio C Hamano1-5/+26
Doc update. * jc/fix-first-object-walk: docs: add headers in MyFirstObjectWalk docs: fix places that break compilation in MyFirstObjectWalk
2021-12-10Merge branch 'if/redact-packfile-uri'Junio C Hamano6-5/+111
Redact the path part of packfile URI that appears in the trace output. * if/redact-packfile-uri: http-fetch: redact url on die() message fetch-pack: redact packfile urls in traces
2021-12-10Merge branch 'ja/doc-cleanup'Junio C Hamano39-166/+168
Doc update. * ja/doc-cleanup: init doc: --shared=0xxx does not give umask but perm bits doc: git-init: clarify file modes in octal. doc: git-http-push: describe the refs as pattern pairs doc: uniformize <URL> placeholders' case doc: use three dots for indicating repetition instead of star doc: git-ls-files: express options as optional alternatives doc: use only hyphens as word separators in placeholders doc: express grammar placeholders between angle brackets doc: split placeholders as individual tokens doc: fix git credential synopsis
2021-12-10Merge branch 'gc/remote-with-fewer-static-global-variables'Junio C Hamano5-113/+312
Code clean-up to eventually allow information on remotes defined for an arbitrary repository to be read. * gc/remote-with-fewer-static-global-variables: remote: die if branch is not found in repository remote: remove the_repository->remote_state from static methods remote: use remote_state parameter internally remote: move static variables into per-repository struct t5516: add test case for pushing remote refspecs
2021-12-10Merge branch 'vd/sparse-sparsity-fix-on-read'Junio C Hamano5-17/+86
Ensure that the sparseness of the in-core index matches the index.sparse configuration specified by the repository immediately after the on-disk index file is read. * vd/sparse-sparsity-fix-on-read: sparse-index: update do_read_index to ensure correct sparsity sparse-index: add ensure_correct_sparsity function sparse-index: avoid unnecessary cache tree clearing test-read-cache.c: prepare_repo_settings after config init
2021-12-10Merge branch 'cw/protocol-v2-doc-fix'Junio C Hamano1-3/+3
Doc update. * cw/protocol-v2-doc-fix: protocol-v2.txt: align delim-pkt spec with usage
2021-12-09ssh signing: verify ssh-keygen in test prereqFabian Stelzer1-13/+40
Do a full ssh signing, find-principals and verify operation in the test prereq's to make sure ssh-keygen works as expected. Only generating the keys and verifying its presence is not sufficient in some situations. One example was ssh-keygen creating unusable ssh keys in cygwin because of unsafe default permissions for the key files. The other a broken openssh 8.7 that segfaulted on any find-principals operation. This extended prereq check avoids future test breakages in case ssh-keygen or any environment behaviour changes. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09ssh signing: make fmt-merge-msg consider key lifetimeFabian Stelzer2-0/+59
Set the payload_type for check_signature() when generating merge messages to verify merged tags signatures key lifetimes. Implements the same tests as for verify-commit. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09ssh signing: make verify-tag consider key lifetimeFabian Stelzer2-0/+43
Set the payload_type for check_signature() when calling verify-tag. Implements the same tests as for verify-commit. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09ssh signing: make git log verify key lifetimeFabian Stelzer2-0/+45
Set the payload_type for check_signature() when calling git log. Implements the same tests as for verify-commit. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09ssh signing: make verify-commit consider key lifetimeFabian Stelzer5-0/+110
If valid-before/after dates are configured for this signatures key in the allowedSigners file then the verification should check if the key was valid at the time the commit was made. This allows for graceful key rollover and revoking keys without invalidating all previous commits. This feature needs openssh > 8.8. Older ssh-keygen versions will simply ignore this flag and use the current time. Strictly speaking this feature is available in 8.7, but since 8.7 has a bug that makes it unusable in another needed call we require 8.8. Timestamp information is present on most invocations of check_signature. However signer ident is not. We will need the signer email / name to be able to implement "Trust on first use" functionality later. Since the payload contains all necessary information we can parse it from there. The caller only needs to provide us some info about the payload by setting payload_type in the signature_check struct. - Add payload_type field & enum and payload_timestamp to struct signature_check - Populate the timestamp when not already set if we know about the payload type - Pass -Overify-time={payload_timestamp} in the users timezone to all ssh-keygen verification calls - Set the payload type when verifying commits - Add tests for expired, not yet valid and keys having a commit date outside of key validity as well as within Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09ssh signing: add key lifetime test prereqsFabian Stelzer1-1/+18
if ssh-keygen supports -Overify-time, add test keys marked as expired, not yet valid and valid both within the test_tick timeframe and outside of it. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09ssh signing: use sigc struct to pass payloadFabian Stelzer7-35/+35
To be able to extend the payload metadata with things like its creation timestamp or the creators ident we remove the payload parameters to check_signature() and use the already existing sigc->payload field instead, only adding the length field to the struct. This also allows us to get rid of the xmemdupz() calls in the verify functions. Since sigc is now used to input data as well as output the result move it to the front of the function list. - Add payload_length to struct signature_check - Populate sigc.payload/payload_len on all call sites - Remove payload parameters to check_signature() - Remove payload parameters to internal verify_* functions and use sigc instead - Remove xmemdupz() used for verbose output since payload is now already populated. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09t/fmt-merge-msg: make gpgssh tests more specificFabian Stelzer1-0/+2
Some GPGSSH fmt-merge-msg tests were only grepping for failed/successful signature validation and not checking for the tag in the resulting merge message. Add the missing grep for it. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09t/fmt-merge-msg: do not redirect stderrFabian Stelzer1-4/+4
All the GPG and GPGSSH tests are redirecing stdout as well as stderr to `actual` and grep for success/failure over the resulting file. However, no output is printed on stderr and we do not need to include it in the grep. Signed-off-by: Fabian Stelzer <fs@gigacodes.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09t/lib-pager: use sane_unset() to avoid breaking &&-chainEric Sunshine1-1/+1
This test intentionally breaks the &&-chain following `unset` since it doesn't know if `unset` will succeed or fail and doesn't want a local `unset` failure to abort the test overall. We can do better by using sane_unset() which can be linked into the &&-chain as usual. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Reviewed-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09t2501: simplify the tests since we can now assume desired behaviorElijah Newren1-85/+34
We no longer are dealing with a mixture of previous and desired behavior, so simplify the tests a bit. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09dir: new flag to remove_dir_recurse() to spare the original_cwdElijah Newren4-9/+14
remove_dir_recurse(), and its non-static wrapper called remove_dir_recursively(), both take flags for modifying its behavior. As with the previous commits, we would generally like to protect the original_cwd, but we want to forced user commands (e.g. 'git rm -rf ...') or other special cases to remove it. Add a flag for this purpose. After reading through every caller of remove_dir_recursively() in the current codebase, there was only one that should be adjusted and that one only in a very unusual circumstance. Add a pair of new testcases to highlight that very specific case involving submodules && --git-dir && --work-tree. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09dir: avoid incidentally removing the original_cwd in remove_path()Elijah Newren3-9/+12
Modern git often tries to avoid leaving empty directories around when removing files. Originally, it did not bother. This behavior started with commit 80e21a9ed809 (merge-recursive::removeFile: remove empty directories, 2005-11-19), stating the reason simply as: When the last file in a directory is removed as the result of a merge, try to rmdir the now-empty directory. This was reimplemented in C and renamed to remove_path() in commit e1b3a2cad7 ("Build-in merge-recursive", 2008-02-07), but was still internal to merge-recursive. This trend towards removing leading empty directories continued with commit d9b814cc97f1 (Add builtin "git rm" command, 2006-05-19), which stated the reasoning as: The other question is what to do with leading directories. The old "git rm" script didn't do anything, which is somewhat inconsistent. This one will actually clean up directories that have become empty as a result of removing the last file, but maybe we want to have a flag to decide the behaviour? remove_path() in dir.c was added in 4a92d1bfb784 (Add remove_path: a function to remove as much as possible of a path, 2008-09-27), because it was noted that we had two separate implementations of the same idea AND both were buggy. It described the purpose of the function as a function to remove as much as possible of a path Why remove as much as possible? Well, at the time we probably would have said something like: * removing leading directories makes things feel tidy * removing leading directories doesn't hurt anything so long as they had no files in them. But I don't believe those reasons hold when the empty directory happens to be the current working directory we inherited from our parent process. Leaving the parent process in a deleted directory can cause user confusion when subsequent processes fail: any git command, for example, will immediately fail with fatal: Unable to read current working directory: No such file or directory Other commands may similarly get confused. Modify remove_path() so that the empty leading directories it also deletes does not include the current working directory we inherited from our parent process. I have looked through every caller of remove_path() in the current codebase to make sure that all should take this change. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09stash: do not attempt to remove startup_info->original_cwdElijah Newren2-2/+4
Since stash spawns a `clean` subprocess, make sure we run that from the startup_info->original_cwd directory, so that the `clean` processs knows to protect that directory. Also, since the `clean` command might no longer run from the toplevel, pass the ':/' magic pathspec to ensure we still clean from the toplevel. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09rebase: do not attempt to remove startup_info->original_cwdElijah Newren2-2/+4
Since rebase spawns a `checkout` subprocess, make sure we run that from the startup_info->original_cwd directory, so that the checkout process knows to protect that directory. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09clean: do not attempt to remove startup_info->original_cwdElijah Newren2-11/+38
Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09symlinks: do not include startup_info->original_cwd in dir removalElijah Newren2-6/+12
symlinks has a pair of schedule_dir_for_removal() and remove_scheduled_dirs() functions that ensure that directories made empty by removing other files also themselves get removed. However, we want to exclude startup_info->original_cwd and leave it around. This avoids the user getting confused by subsequent git commands (and non-git commands) that would otherwise report confusing messages about being unable to read the current working directory. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-09unpack-trees: add special cwd handlingElijah Newren2-3/+12
When running commands such as `git reset --hard` from a subdirectory, if that subdirectory is in the way of adding needed files, bail with an error message. Note that this change looks kind of like it duplicates the new lines of code from the previous commit in verify_clean_subdirectory(). However, when we are preserving untracked files, we would rather any error messages about untracked files being in the way take precedence over error messages about a subdirectory that happens to be the_original_cwd being in the way. But in the UNPACK_RESET_OVERWRITE_UNTRACKED case, there is no untracked checking to be done, so we simply add a special case near the top of verify_absent_1. Acked-by: Derrick Stolee <stolee@gmail.com> Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>