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2025-07-24t/unit-tests: convert reftable pq test to use clarSeyi Kuforiji2-33/+29
Adapt reftable priority queue test file to use clar by using clar assertions where necessary. Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24t/unit-tests: convert reftable merged test to use clarSeyi Kuforiji2-93/+71
Adapt reftable merged test file to use clar testing framework by using clar assertions where necessary. Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24t/unit-tests: convert reftable block test to use clarSeyi Kuforiji2-87/+79
Adapt reftable block test file to use clar testing framework by using clar assertions where necessary. Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24t/unit-tests: convert reftable basics test to use clar test frameworkSeyi Kuforiji3-220/+228
Adapt reftable basics test file to clar by using clar assertions where necessary.Break up test edge case to improve modularity and clarity. Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24t/unit-tests: implement clar specific reftable test helper functionsSeyi Kuforiji3-1/+123
Helper functions defined in `t/unit-tests/lib-reftable.{c,h}` are required for the reftable-related test files to run. In the current implementation these functions are designed to conform with our homegrown unit-testing structure. So in other to convert the reftable test files, there is need for a clar specific implementation of these helper functions. Implement equivalent helper functions in `lib-reftable-clar.{c,h}` to use clar. These functions conform with the clar testing framework and become available for all reftable-related test files implemented using the clar testing framework, which requires them. This will be used by subsequent commits. Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24test-delta: close output descriptor after useJeff King1-0/+2
After we write to the output file, the program exits. This naturally closes the descriptor. But we should do an explicit close for two reasons: 1. It's possible to hit an error on close(), which we should detect and report via our exit code. 2. Leaking descriptors is a bad practice in general. Even if it isn't meaningful here, it sets a bad example. It is tempting to write: if (write_in_full(fd, ...) < 0 || close(fd) < 0) die_errno(...); But that pattern contains a subtle problem that has resulted in descriptor leaks before. If write_in_full() fails, we'll short-circuit and never call close(), leaking the descriptor. That's not a problem here, since our error path dies instead of returning up the stack. But since we're trying to set a good example, let's write it out as two separate conditions. As a bonus, that lets us produce a slightly more specific error message. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24test-delta: use strbufs to hold input filesJeff King1-26/+14
We want to read the whole contents of two files into memory. If we switch from raw ptr/len pairs to strbufs, we can use strbuf_read_file() to shorten the code. This incidentally fixes two small bugs: 1. We stat() the files and allocate our buffers based on st.st_size. But that is an off_t which may be larger than the size_t we'd use to allocate. We should use xsize_t() to do a checked conversion. Otherwise integer truncation (on a file >4GB) could cause us to under-allocate (though in practice this does not result in a buffer overflow because the same truncation happens when read_in_full() also takes a size_t). 2. We get the size from st.st_size, and then try to read_in_full() that many bytes. But it may return fewer bytes than expected (if the file changed racily and we get an early EOF), leading us to read uninitialized bytes in the allocated buffer. We don't notice because we only check the value for error, not that we got the expected number of bytes. The strbuf code doesn't run into this, because it just reads to EOF, expanding the buffer dynamically as necessary. Neither bug is a big deal for a test helper, but fixing them is a nice bonus on top of simplifying the code. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-24test-delta: handle errors with die()Jeff King1-37/+18
This is a short test helper that does all of its work in the main function. When we encounter an error, we try to clean up memory and descriptors and then jump to an error return, which exits the program. We can get the same effect by just calling die(), which means we do not have to bother with cleaning up. This simplifies the code, and also removes some inconsistencies where a few code paths forgot to clean up descriptors (though in practice it was not a big deal since we were exiting anyway). In addition to die() and die_errno(), we'll also use a few of our usual helpers like xopen() and usage() that make things more ergonomic. This does change the exit code in these cases from 1 to 128, but I don't think it matters (and arguably is better, as we'd already exit 128 for other errors like xmalloc() failure). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23Merge branch 'cc/fast-import-export-signature-names'Junio C Hamano1-2/+100
Clean up the way how signature on commit objects are exported to and imported from fast-import stream. * cc/fast-import-export-signature-names: fast-(import|export): improve on commit signature output format
2025-07-23Merge branch 'ly/changed-paths-traversal'Junio C Hamano2-13/+18
Lift the limitation to use changed-path filter in "git log" so that it can be used for a pathspec with multiple literal paths. * ly/changed-paths-traversal: bloom: optimize multiple pathspec items in revision revision: make helper for pathspec to bloom keyvec bloom: replace struct bloom_key * with struct bloom_keyvec bloom: rename function operates on bloom_key bloom: add test helper to return murmur3 hash
2025-07-23config: move Git config parsing into "environment.c"Patrick Steinhardt2-0/+2
In "config.c" we host both the business logic to read and write config files as well as the logic to parse specific Git-related variables. On the one hand this is mixing concerns, but even more importantly it means that we cannot easily remove the dependency on `the_repository` in our config parsing logic. Move the logic into "environment.c". This file is a grab bag of all kinds of global state already, so it is quite a good fit. Furthermore, it also hosts most of the global variables that we're parsing the config values into, making this an even better fit. Note that there is one hidden change: in `parse_fsync_components()` we use an `int` to iterate through `ARRAY_SIZE(fsync_component_names)`. But as -Wsign-compare warnings are enabled in this file this causes a compiler warning. The issue is fixed by using a `size_t` instead. This change allows us to drop the `USE_THE_REPOSITORY_VARIABLE` declaration. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config_get_bool()` wrapperPatrick Steinhardt1-1/+1
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config_get_bool()`. All callsites are adjusted so that they use `repo_config_get_bool(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config_get_int()` wrapperPatrick Steinhardt1-1/+1
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config_get_int()`. All callsites are adjusted so that they use `repo_config_get_int(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config_get_string()` wrapperPatrick Steinhardt1-1/+1
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config_get_string()`. All callsites are adjusted so that they use `repo_config_get_string(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config_get_value()` wrapperPatrick Steinhardt1-1/+1
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config_get_value()`. All callsites are adjusted so that they use `repo_config_get_value(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config_get_value()` wrapperPatrick Steinhardt1-1/+1
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config_get_value()`. All callsites are adjusted so that they use `repo_config_get_value(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config_get()` wrapperPatrick Steinhardt1-1/+1
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config_get()`. All callsites are adjusted so that they use `repo_config_get(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-23config: drop `git_config()` wrapperPatrick Steinhardt6-9/+9
In 036876a1067 (config: hide functions using `the_repository` by default, 2024-08-13) we have moved around a bunch of functions in the config subsystem that depend on `the_repository`. Those function have been converted into mere wrappers around their equivalent function that takes in a repository as parameter, and the intent was that we'll eventually remove those wrappers to make the dependency on the global repository variable explicit at the callsite. Follow through with that intent and remove `git_config()`. All callsites are adjusted so that they use `repo_config(the_repository, ...)` instead. While some callsites might already have a repository available, this mechanical conversion is the exact same as the current situation and thus cannot cause any regression. Those sites should eventually be cleaned up in a later patch series. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-22reflog: close leak of reflog expire entryJacob Keller1-0/+28
find_cfg_ent() allocates a struct reflog_expire_entry_option via FLEX_ALLOC_MEM and inserts it into a linked list in the reflog_expire_options structure. The entries in this list are never freed, resulting in a leak in cmd_reflog_expire and the gc reflog expire maintenance task: Direct leak of 39 byte(s) in 1 object(s) allocated from: #0 0x7ff975ee6883 in calloc (/lib64/libasan.so.8+0xe6883) #1 0x0000010edada in xcalloc ../wrapper.c:154 #2 0x000000df0898 in find_cfg_ent ../reflog.c:28 #3 0x000000df0898 in reflog_expire_config ../reflog.c:70 #4 0x00000095c451 in configset_iter ../config.c:2116 #5 0x0000006d29e7 in git_config ../config.h:724 #6 0x0000006d29e7 in cmd_reflog_expire ../builtin/reflog.c:205 #7 0x0000006d504c in cmd_reflog ../builtin/reflog.c:419 #8 0x0000007e4054 in run_builtin ../git.c:480 #9 0x0000007e4054 in handle_builtin ../git.c:746 #10 0x0000007e8a35 in run_argv ../git.c:813 #11 0x0000007e8a35 in cmd_main ../git.c:953 #12 0x000000441e8f in main ../common-main.c:9 #13 0x7ff9754115f4 in __libc_start_call_main (/lib64/libc.so.6+0x35f4) #14 0x7ff9754116a7 in __libc_start_main@@GLIBC_2.34 (/lib64/libc.so.6+0x36a7) #15 0x000000444184 in _start (/home/jekeller/libexec/git-core/git+0x444184) Close this leak by adding a reflog_clear_expire_config() function which iterates the linked list and frees its elements. Call it upon exit of cmd_reflog_expire() and reflog_expire_condition(). Add a basic test which covers this leak. While at it, cover the functionality from commit commit 3cb22b8efe (Per-ref reflog expiry configuration, 2008-06-15). We've had this support for years, but lacked any tests. Co-developed-by: Jeff King <peff@peff.net> Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-22t/helper/test-truncate: close file descriptor after truncationHoyoung Lee1-0/+3
Fix a resource leak where the file descriptor was not closed after truncating a file in t/helper/test-truncate.c. Signed-off-by: Hoyoung Lee <lhywkd22@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-22t7510: add test cases for non-absolute gpg programJonas Brandstötter1-1/+11
These cases cover scenarios where `gpg.program` is set as a program in `$PATH` or as a path relative to the user's home directory. Signed-off-by: Jonas Brandstötter <jonas.brandstoetter@gmx.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-22prio-queue: add prio_queue_replace()René Scharfe1-0/+23
Add a function to replace the top element of the queue that basically does the same as prio_queue_get() followed by prio_queue_put(), but without the work by prio_queue_get() to rebalance the heap. It can be used to optimize loops that get one element and then immediately add another one. That's common e.g., with commit history traversal, where we get out a commit and then put in its parents. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-22commit: convert pop_most_recent_commit() to prio_queueRené Scharfe2-0/+72
pop_most_recent_commit() calls commit_list_insert_by_date() for parent commits, which is itself called in a loop. This can lead to quadratic complexity if there are many merges. Replace the commit_list with a prio_queue to ensure logarithmic worst case complexity and convert all three users. Add a performance test that exercises one of them using a pathological history that consists of 50% merges and 50% root commits to demonstrate the speedup: Test v2.50.1 HEAD ---------------------------------------------------------------------- 1501.2: rev-parse ':/65535' 2.48(2.47+0.00) 0.20(0.19+0.00) -91.9% Alas, sane histories don't benefit from the conversion much, and traversing Git's own history takes a 1% performance hit on my machine: $ hyperfine -w3 -L git ./git_2.50.1,./git '{git} rev-parse :/^Initial.revision' Benchmark 1: ./git_2.50.1 rev-parse :/^Initial.revision Time (mean ± σ): 1.071 s ± 0.004 s [User: 1.052 s, System: 0.017 s] Range (min … max): 1.067 s … 1.078 s 10 runs Benchmark 2: ./git rev-parse :/^Initial.revision Time (mean ± σ): 1.079 s ± 0.003 s [User: 1.060 s, System: 0.017 s] Range (min … max): 1.074 s … 1.083 s 10 runs Summary ./git_2.50.1 rev-parse :/^Initial.revision ran 1.01 ± 0.00 times faster than ./git rev-parse :/^Initial.revision Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-21pull: add pull.autoStash config optionLidong Yan1-0/+60
Git uses `rebase.autostash` or `merge.autostash` to determine whether a dirty worktree is allowed during pull. However, this behavior is not clearly documented, making it difficult for users to discover how to enable autostash, or causing them to unknowingly enable it. Add new config option `pull.autostash` along with its documentation and test cases. `pull.autostash` provides the same functionality as `rebase.autostash` and `merge.autostash`, but overrides them when set. If `pull.autostash` is not set, it falls back to `rebase.autostash` or `merge.autostash`, depending on the value of `pull.rebase`. Signed-off-by: Lidong Yan <yldhome2d2@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-21Merge branch 'jk/remote-avoid-overlapping-names'Junio C Hamano1-0/+14
"git remote" now detects remote names that overlap with each other (e.g., remote nickname "outer" and "outer/inner" are used at the same time), as it will lead to overlapping remote-tracking branches. * jk/remote-avoid-overlapping-names: remote: detect collisions in remote names
2025-07-21Merge branch 'tb/midx-avoid-cruft-packs'Junio C Hamano2-1/+266
"pack-objects" has been taught to avoid pointing into objects in cruft packs from midx. * tb/midx-avoid-cruft-packs: repack: exclude cruft pack(s) from the MIDX where possible pack-objects: introduce '--stdin-packs=follow' pack-objects: swap 'show_{object,commit}_pack_hint' pack-objects: fix typo in 'show_object_pack_hint()' pack-objects: perform name-hash traversal for unpacked objects pack-objects: declare 'rev_info' for '--stdin-packs' earlier pack-objects: factor out handling '--stdin-packs' pack-objects: limit scope in 'add_object_entry_from_pack()' pack-objects: use standard option incompatibility functions
2025-07-21Merge branch 'bc/use-sha256-by-default-in-3.0'Junio C Hamano5-9/+25
Prepare to flip the default hash function to SHA-256. * bc/use-sha256-by-default-in-3.0: Enable SHA-256 by default in breaking changes mode help: add a build option for default hash t5300: choose the built-in hash outside of a repo t4042: choose the built-in hash outside of a repo t1007: choose the built-in hash outside of a repo t: default to compile-time default hash if not set setup: use the default algorithm to initialize repo format Use legacy hash for legacy formats builtin: use default hash when outside a repository hash: add a constant for the legacy hash algorithm hash: add a constant for the default hash algorithm
2025-07-17Merge branch 'bc/use-sha256-by-default-in-3.0' into ps/config-wo-the-repositoryJunio C Hamano5-9/+25
* bc/use-sha256-by-default-in-3.0: Enable SHA-256 by default in breaking changes mode help: add a build option for default hash t5300: choose the built-in hash outside of a repo t4042: choose the built-in hash outside of a repo t1007: choose the built-in hash outside of a repo t: default to compile-time default hash if not set setup: use the default algorithm to initialize repo format Use legacy hash for legacy formats builtin: use default hash when outside a repository hash: add a constant for the legacy hash algorithm hash: add a constant for the default hash algorithm
2025-07-16Merge branch 'rs/parse-options-precision'Junio C Hamano1-3/+14
Define .precision to more canned parse-options type to avoid bugs coming from using a variable with a wrong type to capture the parsed values. * rs/parse-options-precision: parse-options: add precision handling for OPTION_COUNTUP parse-options: add precision handling for OPTION_BITOP parse-options: add precision handling for OPTION_NEGBIT parse-options: add precision handling for OPTION_BIT parse-options: add precision handling for OPTION_SET_INT parse-options: add precision handling for PARSE_OPT_CMDMODE parse-options: require PARSE_OPT_NOARG for OPTION_BITOP
2025-07-16Merge branch 'ps/refs-files-remove-empty-parent'Junio C Hamano1-0/+19
When a ref creation at refs/heads/foo/bar fails, the files backend now removes refs/heads/foo/ if the directory is otherwise not used. * ps/refs-files-remove-empty-parent: refs/files: remove empty parent dirs when ref creation fails
2025-07-16Merge branch 'ps/t1006-tap-fix'Junio C Hamano1-1/+1
Test fix. * ps/t1006-tap-fix: t1006: fix broken TAP format
2025-07-16commit: avoid scanning trailing comments when 'core.commentChar' is "auto"Ayush Chandekar1-0/+13
When core.commentChar is set to "auto", Git selects a comment character by scanning the commit message contents and avoiding any character already present in the message. If the message still contains old conflict comments (starting with a comment character), Git assumes that character is in use and chooses a different one. As a result, those existing comment lines are no longer recognized as comments and end up being included in the final commit message. To avoid this, skip scanning the trailing comment block when selecting the comment character. This allows Git to safely reuse the original character when appropriate, keeping the commit message clean and free of leftover conflict information. Background: The "auto" value for core.commentchar was introduced in the commit 84c9dc2c5a (commit: allow core.commentChar=auto for character auto selection, 2014-05-17) but did not exhibit this issue at that time. The bug was introduced in commit a6c2654f83 (rebase -m: fix --signoff with conflicts, 2024-04-18) where Git started writing conflict comments to the file at 'rebase_path_message()'. Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com> Signed-off-by: Ayush Chandekar <ayu.chandekar@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-15Merge branch 'ly/load-bitmap-leakfix'Junio C Hamano2-0/+38
Leakfix with a new and a bit invasive test. * ly/load-bitmap-leakfix: pack-bitmap: add load corrupt bitmap test pack-bitmap: reword comments in test_bitmap_commits() pack-bitmap: fix memory leak if load_bitmap() failed
2025-07-15Merge branch 'ps/object-store'Junio C Hamano6-11/+11
Code clean-up around object access API. * ps/object-store: odb: rename `read_object_with_reference()` odb: rename `pretend_object_file()` odb: rename `has_object()` odb: rename `repo_read_object_file()` odb: rename `oid_object_info()` odb: trivial refactorings to get rid of `the_repository` odb: get rid of `the_repository` when handling submodule sources odb: get rid of `the_repository` when handling the primary source odb: get rid of `the_repository` in `for_each()` functions odb: get rid of `the_repository` when handling alternates odb: get rid of `the_repository` in `odb_mkstemp()` odb: get rid of `the_repository` in `assert_oid_type()` odb: get rid of `the_repository` in `find_odb()` odb: introduce parent pointers object-store: rename files to "odb.{c,h}" object-store: rename `object_directory` to `odb_source` object-store: rename `raw_object_store` to `object_database`
2025-07-15test-lib: respect GIT_TEST_INSTALLED when querying default hashKyle Lippincott1-2/+3
$GIT_TEST_INSTALLED can be set to use an "installed" git instead of the one from $GIT_BUILD_DIR. This is used by my company's internal test infrastructure, and not using $GIT_TEST_INSTALLED when querying the default hash meant that the tests were failing because the hash was effectively set to the empty string (since git didn't execute). In the two places we attempt to detect/execute git itself prior to overriding everything and putting it in $PATH, use identical logic for identifying the git binary to execute. This also has the effect of including the $X suffix when querying the default hash, but that's not strictly necessary. You don't need to specify .exe when running a binary on Windows, just when testing whether it exists or not. Signed-off-by: Kyle Lippincott <spectral@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-15for-each-ref: introduce a '--start-after' optionKarthik Nayak1-0/+194
The `git-for-each-ref(1)` command is used to iterate over references present in a repository. In large repositories with millions of references, it would be optimal to paginate this output such that we can start iteration from a given reference. This would avoid having to iterate over all references from the beginning each time when paginating through results. The previous commit added 'seek' functionality to the reference backends. Utilize this and expose a '--start-after' option in 'git-for-each-ref(1)'. When used, the reference iteration seeks to the lexicographically next reference and iterates from there onward. This enables efficient pagination workflows, where the calling script can remember the last provided reference and use that as the starting point for the next set of references: git for-each-ref --count=100 git for-each-ref --count=100 --start-after=refs/heads/branch-100 git for-each-ref --count=100 --start-after=refs/heads/branch-200 Since the reference iterators only allow seeking to a specified marker via the `ref_iterator_seek()`, we introduce a helper function `start_ref_iterator_after()`, which seeks to next reference by simply adding (char) 1 to the marker. We must note that pagination always continues from the provided marker, as such any concurrent reference updates lexicographically behind the marker will not be output. Document the same. Signed-off-by: Karthik Nayak <karthik.188@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-15bloom: optimize multiple pathspec items in revisionLidong Yan1-9/+14
To enable optimize multiple pathspec items in revision traversal, return 0 if all pathspec item is literal in forbid_bloom_filters(). Add for loops to initialize and check each pathspec item's bloom_keyvec when optimization is possible. Add new test cases in t/t4216-log-bloom.sh to ensure - consistent results between the optimization for multiple pathspec items using bloom filter and the case without bloom filter optimization. - does not use bloom filter if any pathspec item is not literal. With these optimizations, we get some improvements for multi-pathspec runs of 'git log'. First, in the Git repository we see these modest results: Benchmark 1: old Time (mean ± σ): 73.1 ms ± 2.9 ms Range (min … max): 69.9 ms … 84.5 ms 42 runs Benchmark 2: new Time (mean ± σ): 55.1 ms ± 2.9 ms Range (min … max): 51.1 ms … 61.2 ms 52 runs Summary 'new' ran 1.33 ± 0.09 times faster than 'old' But in a larger repo, such as the LLVM project repo below, we get even better results: Benchmark 1: old Time (mean ± σ): 1.974 s ± 0.006 s Range (min … max): 1.960 s … 1.983 s 10 runs Benchmark 2: new Time (mean ± σ): 262.9 ms ± 2.4 ms Range (min … max): 257.7 ms … 266.2 ms 11 runs Summary 'new' ran 7.51 ± 0.07 times faster than 'old' Signed-off-by: Derrick Stolee <stolee@gmail.com> [ly: rename convert_pathspec_to_filter() to convert_pathspec_to_bloom_keyvec()] Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-14Merge branch 'rp/apply-intent-to-add-fix'Junio C Hamano1-1/+30
"git apply -N" should start from the current index and register only new files, but it instead started from an empty index, which has been corrected. * rp/apply-intent-to-add-fix: apply docs: clarify wording for --intent-to-add t4140: test apply --intent-to-add interactions apply: only write intents to add for new files apply: read in the index in --intent-to-add mode
2025-07-14Merge branch 'sj/string-list'Junio C Hamano4-239/+228
Code and test clean-up around string-list API. * sj/string-list: u-string-list: move "remove duplicates" test to "u-string-list.c" u-string-list: move "filter string" test to "u-string-list.c" u-string-list: move "test_split_in_place" to "u-string-list.c" u-string-list: move "test_split" into "u-string-list.c" string-list: enable sign compare warnings check string-list: return index directly when inserting an existing element string-list: remove unused "insert_at" parameter from add_entry string-list: fix sign compare warnings for loop iterator
2025-07-14Merge branch 'ps/perlless-test-fixes'Junio C Hamano2-3/+3
Test fixes. * ps/perlless-test-fixes: t5333: fix missing terminator for sed(1) 's' command t4150: fix warning printed by awk due to escaped '\@'
2025-07-14Merge branch 're/ssh-sign-buffer-fix'Junio C Hamano1-12/+20
Tempfile removal fix in the codepath to sign commits with SSH keys. * re/ssh-sign-buffer-fix: ssh signing: don't detach the filename strbuf from key_file tempfile
2025-07-14Merge branch 'hy/read-cache-lock-error-fix'Junio C Hamano1-12/+6
A failure to open the index file for writing due to conflicting access did not state what went wrong, which has been corrected. * hy/read-cache-lock-error-fix: read-cache: report lock error when refreshing index
2025-07-14Merge branch 'mc/netrc-service-names'Junio C Hamano1-0/+7
"netrc" credential helper has been improved to understand textual service names (like smtp) in addition to the numeric port numbers (like 25). * mc/netrc-service-names: contrib: better support symbolic port names in git-credential-netrc contrib: warn for invalid netrc file ports in git-credential-netrc contrib: use a more portable shebang for git-credential-netrc
2025-07-14Merge branch 'ps/use-reftable-as-default-in-3.0'Junio C Hamano1-0/+45
The reftable ref backend has matured enough; Git 3.0 will make it the default format in a newly created repositories by default. * ps/use-reftable-as-default-in-3.0: setup: use "reftable" format when experimental features are enabled BreakingChanges: announce switch to "reftable" format
2025-07-14Merge branch 'jk/all-negative-diff-filter-fix'Junio C Hamano1-0/+6
A diff-filter with negative-only specification like "git log --diff-filter=d" did not trigger correctly, which has been fixed. * jk/all-negative-diff-filter-fix: setup_revisions(): turn on diffs for all-negative diff filter
2025-07-14Merge branch 'ac/prune-wo-the-repository'Junio C Hamano1-0/+7
Some code paths in the "git prune" used to ignore passed in repository object and used the_repository singleton instance instead, which has been corrected. * ac/prune-wo-the-repository: builtin/prune: stop depending on 'the_repository' repository: move 'repository_format_precious_objects' to repo scope
2025-07-14bloom: rename function operates on bloom_keyLidong Yan1-2/+2
git code style requires that functions operating on a struct S should be named in the form S_verb. However, the functions operating on struct bloom_key do not follow this convention. Therefore, fill_bloom_key() and clear_bloom_key() are renamed to bloom_key_fill() and bloom_key_clear(), respectively. Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-14bloom: add test helper to return murmur3 hashLidong Yan1-2/+2
In bloom.h, murmur3_seeded_v2() is exported for the use of test murmur3 hash. To clarify that murmur3_seeded_v2() is exported solely for testing purposes, a new helper function test_murmur3_seeded() was added instead of exporting murmur3_seeded_v2() directly. Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-09fast-(import|export): improve on commit signature output formatChristian Couder1-2/+100
A recent commit, d9cb0e6ff8 (fast-export, fast-import: add support for signed-commits, 2025-03-10), added support for signed commits to fast-export and fast-import. When a signed commit is processed, fast-export can output either "gpgsig sha1" or "gpgsig sha256" depending on whether the signed commit uses the SHA-1 or SHA-256 Git object format. However, this implementation has a number of limitations: - the output format was not properly described in the documentation, - the output format is not very informative as it doesn't even say if the signature is an OpenPGP, an SSH, or an X509 signature, - the implementation doesn't support having both one signature on the SHA-1 object and one on the SHA-256 object. Let's improve on these limitations by improving fast-export and fast-import so that: - all the signatures are exported, - at most one signature on the SHA-1 object and one on the SHA-256 are imported, - if there is more than one signature on the SHA-1 object or on the SHA-256 object, fast-import emits a warning for each additional signature, - the output format is "gpgsig <git-hash-algo> <signature-format>", where <git-hash-algo> is the Git object format as before, and <signature-format> is the signature type ("openpgp", "x509", "ssh" or "unknown"), - the output is properly documented. About the output format: - <git-hash-algo> allows to know which representation of the commit was signed (the SHA-1 or the SHA-256 version) which helps with both signature verification and interoperability between repos with different hash functions, - <signature-format> helps tools that process the fast-export stream, so they don't have to parse the ASCII armor to identify the signature type. It could be even better to be able to import more than one signature on the SHA-1 object and on the SHA-256 object, but other parts of Git don't handle that well for now, so this is left for future improvements. Helped-by: brian m. carlson <sandals@crustytoothpaste.net> Helped-by: Elijah Newren <newren@gmail.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-07-09parse-options: add precision handling for OPTION_COUNTUPRené Scharfe1-0/+3
Similar to 09705696f7 (parse-options: introduce precision handling for `OPTION_INTEGER`, 2025-04-17) support value variables of different sizes for OPTION_COUNTUP. Do that by requiring their "precision" to be set, casting their "value" pointer accordingly and checking whether the value fits. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>