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Add a coccinelle rule to break the build when "struct strbuf" gets
passed by value.
* dd/cocci-do-not-pass-strbuf-by-value:
stash: do not pass strbuf by value
coccinelle: detect struct strbuf passed by value
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"git diff -U<num>" was too lenient in its command line parsing and
took an empty string as a valid <num>.
* ty/doc-diff-u-wo-number:
diff: document -U without <n> as using default context
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Reduce system overhead "git upload-pack" spends on relaying "git
pack-objects" output to the "git fetch" running on the other end of
the connection.
* ps/upload-pack-buffer-more-writes:
builtin/pack-objects: reduce lock contention when writing packfile data
csum-file: drop `hashfd_throughput()`
csum-file: introduce `hashfd_ext()`
sideband: use writev(3p) to send pktlines
wrapper: introduce writev(3p) wrappers
compat/posix: introduce writev(3p) wrapper
upload-pack: reduce lock contention when writing packfile data
upload-pack: prefer flushing data over sending keepalive
upload-pack: adapt keepalives based on buffering
upload-pack: fix debug statement when flushing packfile data
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The final clean-up phase of the diff output could turn the result of
histogram diff algorithm suboptimal, which has been corrected.
* yc/histogram-hunk-shift-fix:
xdiff: re-diff shifted change groups when using histogram algorithm
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Test clean-up.
* mf/t0008-cleanup:
t0008: improve test cleanup to fix failing test
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Test clean-up.
* pb/t4200-test-path-is-helpers:
t4200: convert test -[df] checks to test_path_* helpers
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Leakfix.
* jk/transport-color-leakfix:
transport: plug leaks in transport_color_config()
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Test updates.
* rj/pack-refs-tests-path-is-helpers:
t/pack-refs-tests: use test_path_is_missing
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"git history" learned the "split" subcommand.
* ps/history-split:
builtin/history: implement "split" subcommand
builtin/history: split out extended function to create commits
cache-tree: allow writing in-memory index as tree
add-patch: allow disabling editing of hunks
add-patch: add support for in-memory index patching
add-patch: remove dependency on "add-interactive" subsystem
add-patch: split out `struct interactive_options`
add-patch: split out header from "add-interactive.h"
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Clar (unit testing framework) update from the upstream.
* ps/clar-wo-path-max:
clar: update to fix compilation on platforms without PATH_MAX
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Test clean-up.
* ss/t0410-delete-object-cleanup:
t0410: modernize delete_object helper
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Fix an example in the user-manual.
* gj/user-manual-fix-grep-example:
doc: fix git grep args order in Quick Reference
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"git fast-import" learned to optionally replace signature on
commits whose signatures get invalidated due to replaying by
signing afresh.
* jt/fast-import-sign-again:
fast-import: add mode to sign commits with invalid signatures
gpg-interface: allow sign_buffer() to use default signing key
commit: remove unused forward declaration
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Add and apply a semantic patch that simplifies the code by letting
strvec_pushv() append the items of a second strvec instead of pushing
them one by one.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The topic moves the coccinelle rules from contrib/ to tools/
directory, breaking merges with this topic.
* ps/build-tweaks:
meson: precompile "git-compat-util.h"
meson: compile compatibility sources separately
git-compat-util.h: move warning infra to prepare for PCHs
builds: move build scripts into "tools/"
contrib: move "update-unicode.sh" script into "tools/"
contrib: move "coverage-diff.sh" script into "tools/"
contrib: move "coccinelle/" directory into "tools/"
Introduce new "tools/" directory
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The `timestamp_t` type is declared as `uintmax_t` and thus typically has
64 bits of precision. Usually, the full precision of such dates is not
required: it would be comforting to know that Git is still around in
millions of years, but all in all the chance is rather low.
We abuse this fact in the commit-graph: instead of storing the full 64
bits of precision, committer dates only store 34 bits. This is still
plenty of headroom, as it means that we can represent dates until year
2514. Commits which are dated beyond that year will simply get a date
whose remaining bits are masked.
The result of this is somewhat curious: the committer date will be
different depending on whether a commit gets parsed via the commit-graph
or via the object database. This isn't really too much of an issue in
general though, as we don't typically use the date parsed from the
commit-graph in user-facing output.
But with 024b4c9697 (commit: make `repo_parse_commit_no_graph()` more
robust, 2026-02-16) it started to become a problem when writing the
commit-graph itself. This commit changed `repo_parse_commit_no_graph()`
so that we re-parse the commit via the object database in case it was
already parsed beforehand via the commit-graph.
The consequence is that we may now act with two different commit dates
at different stages:
- Initially, we use the 34-bit precision timestamp when writing the
chunk generation data. We thus correctly compute the offsets
relative to the on-disk timestamp here.
- Later, when writing the overflow data, we may end up with the
full-precision timestamp. When the date is larger than 34 bits the
result of this is an underflow when computing the offset.
This causes a mismatch in the number of generation data overflow records
we want to write, and that ultimately causes Git to die.
Introduce a new helper function that computes the generation offset for
a commit while correctly masking the date to 34 bits. This makes the
previously-implicit assumptions about the commit date precision explicit
and thus hopefully less fragile going forward.
Adapt sites that compute the offset to use the function.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a long-standing typo in a comment: "refpsecs" -> "refspecs".
Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a remote helper like git-remote-http is invoked outside of a
repository (for example, by running git ls-remote in a non-git
directory), setup_git_directory_gently() leaves the_hash_algo
uninitialized as NULL.
If the user has a globally configured fetch refspec, remote-curl
attempts to parse it during initialization. Inside parse_refspec(),
it checks whether the LHS of the refspec is an exact OID by evaluating
llen == the_hash_algo->hexsz. Because the_hash_algo is NULL, this
results in a segmentation fault.
In 9e89dcb66a (builtin/ls-remote: fall back to SHA1 outside of a repo,
2024-08-02), we added a workaround to ls-remote to fall back to the
default hash algorithm to prevent exactly this type of crash when
parsing refspec capabilities. However, because remote-curl runs as a
separate process, it does not inherit that fallback and crashes anyway.
Instead of pushing a NULL-guard workaround down into parse_refspec(),
fix this by mirroring the ls-remote workaround directly in
remote-curl.c. If we are operating outside a repository, initialize
the_hash_algo to GIT_HASH_DEFAULT. This keeps the HTTP transport
consistent with non-HTTP transports that execute in-process, preventing
crashes without altering the generic refspec parsing logic.
Reported-by: Jo Liss <joliss@gmail.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Having to prefix a custom format-string with "log:" when passed from the
CLI can be annoying. It would be great if this prefix wasn't required.
Teach make_cover_letter() to accept custom format-strings without the
"log:" prefix if a placeholder is detected.
Note that both here and in "git log --format" the check is done naively
by just checking for the presence of a '%'.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git format-patch --commit-list-format" enables the user to make their
own format for the commit list in the cover letter. It would be nice to
have a ready to use format to replace shortlog.
Teach make_cover_letter() the "modern" format preset.
This new format is the same as: "log:[%(count)/%(total)] %s".
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While most conventions should not allow for the text lines in commit
messages to get too long, when they do it could make emails harder to
read.
Teach generate_commit_list_cover() to wrap its commit lines if they are
too long.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The configuration variable format.commitListFormat allows for an empty
value. This is unusual and can create issues when interacting with this
configuration variable through the CLI.
Strip meaning to format.commitListFormat with an empty value.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When --commit-list-format was introduced to format-patch, two new
placeholders were added to the PRETTY FORMATS code without being
documented. Do so now.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To align the name of the configuration variable and the name of the
command line option, either one should change name. By changing the name
of the option we get the added benefit of having --cover-<TAB> expand to
--cover-letter without ambiguity.
If the user gives the --cover-letter-format option it would be
reasonable to expect that the user wants to generate the cover letter
despite not giving --cover-letter.
Rename --cover-letter-format to --commit-list-format and make it imply
--cover-letter unless --no-cover-letter is given.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor for readability and remove unnecessary initialization.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Improve die messages for commands that do not support %(count) and
%(total)
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* ty/mktree-wo-the-repository:
builtin/mktree: remove USE_THE_REPOSITORY_VARIABLE
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"imap-send" used to use functions whose use is going to be removed
with OpenSSL 4.0; rewrite them using public API that has been
available since OpenSSL 1.1 since 2016 or so.
* bb/imap-send-openssl-4.0-prep:
imap-send: move common code into function host_matches()
imap-send: use the OpenSSL API to access the subject common name
imap-send: use the OpenSSL API to access the subject alternative names
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The code in "git help" that shows configuration items in sorted
order was awkwardly organized and prone to bugs.
* ac/help-sort-correctly:
help: cleanup the contruction of keys_uniq
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Adjust test-lint to allow "sed -E" to use ERE in the patterns.
* jc/test-allow-sed-with-ere:
t: allow use of "sed -E"
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Instead of hardcoded 'origin', use the configured default remote
when fetching from submodules.
* ng/submodule-default-remote:
submodule: fetch missing objects from default remote
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Test updates.
* ms/t7605-test-path-is-helpers:
t7605: use test_path_is_file instead of test -f
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Small code clean-up around the constness area.
* cf/constness-fixes:
dir: avoid -Wdiscarded-qualifiers in remove_path()
bloom: remove a misleading const qualifier
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In the preceding commit we have introduced the repository into `struct
fsck_object_report`. This allows us to drop remaining uses of the global
`the_repository` variable.
Drop them and remove `USE_THE_REPOSITORY_VARIABLE`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly rely on `the_repository` when marking objects for
connectivity. Refactor this to instead inject the repository via the
callback payload.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly rely on `the_repository` when checking objects part of a
packfile. These objects are iterated over via `verify_pack()`, which is
provided by the packfile subsystem, and a callback function is then
invoked for each of the objects in that specific pack.
Unfortunately, it is not possible to provide a payload to the callback
function. Refactor `verify_pack()` to accept a payload that is passed
through to the callback so that we can inject the repository and get rid
of the use of `the_repository`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We depend on `the_repository` when performing consistency checks for
loose objects. Refactor this to use a context-provided repository
instead that is injected via the `struct for_each_loose_cb`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly rely on `the_repository` when checking reflogs. Refactor
this to instead inject the repository via the callback payload.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly rely on `the_repository` when checking refs. Refactor this
to instead inject the repository via the callback payload.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We depedn on `the_repository` when snapshotting refs. Refactor this to
use a context-provided repository instead that is injected via the
`struct snapshot_ref_data`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a bunch of sites in "builtin/fsck.c" that depend on
`the_repository` even though we already have a repository available, or
in cases where we can trivially make it available.
Refactor such sites to use the context-provided repository instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Stop using `the_repository` in "fsck.c" in favor of the repository that
we've already got available via `struct fsck_options`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The fsck subsystem relies on `the_repository` quite a bit. While we
could of course explicitly pass a repository down the callchain, we
already have a `struct fsck_options` that we pass to almost all
functions.
Extend the options to also store the repository to make it readily
available.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We initialize the `struct fsck_options` via a set of macros, often in
global scope. In the next commit though we're about to introduce a new
repository field to the options that must be initialized, and naturally
we don't have a repo other than `the_repository` available in this
scope.
Refactor the code to instead intrdouce a new `fsck_options_init()`
function that initializes the options for us and move initialization
into function scope.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When fetching a packfile, we optionally verify received objects via the
fsck subsystem. The options for those consistency checks are declared in
global scope without a good reason, and they are never cleaned up. So in
case the options are reused, they may accumulate more state over time.
Furthermore, in subsequent changes we'll introduce a repository pointer
into the structure. Obviously though, we don't have a repository
available at static time, except for `the_repository`, which we don't
want to use here.
Refactor the code to move the options into the respective functions and
properly manage their lifecycle.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When diff-highlight was written, there was no way to fetch multiple
config keys _and_ have them interpreted as colors. So we were stuck
with either invoking git-config once for each config key, or fetching
them all and converting human-readable color names into ANSI codes
ourselves.
I chose the former, but it means that diff-highlight kicks off 6
git-config processes (even if you haven't configured anything, it has to
check each one).
But since Git 2.18.0, we can do:
git config --type=color --get-regexp=^color\.diff-highlight\.
to get all of them in one shot.
Note that any callers which pass in colors directly to the module via
@OLD_HIGHLIGHT and @NEW_HIGHLIGHT (like diff-so-fancy plans to do) are
unaffected; those colors suppress any config lookup we'd do ourselves.
You can see the effect like:
# diff-highlight suppresses git-config's stderr, so dump
# trace through descriptor 3
git show d1f33c753d | GIT_TRACE=3 diff-highlight 3>&2 >/dev/null
which drops from 6 lines down to 1.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Users of the module may want to pass in their own color config for a few
obvious reasons:
- they are pulling the config from different variables than
diff-highlight itself uses
- they are loading the config in a more efficient way (say, by parsing
git-config --list) and don't want to incur the six (!) git-config
calls that DiffHighlight.pm runs to check all config
Let's allow users of the module to pass in the color config, and
lazy-load it when needed if they haven't.
Signed-off-by: Scott Baker <scott@perturb.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We added configurable colors long ago in bca45fbc1f (diff-highlight:
allow configurable colors, 2014-11-20), but never actually tested it.
Since we'll be touching the color code in a moment, this is a good time
to beef up the tests.
Note that we cover both the highlight/reset style used by the default
colors, as well as the normal/highlight style added by that commit
(which was previously totally untested).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The diff-highlight tests use raw color bytes when comparing expected and
actual output. Let's use test_decode_color, which is our usual technique
in other tests. It makes reading test output diffs a bit easier, since
you're not relying on your terminal to interpret the result (or worse,
interpreting characters yourself via "cat -A").
This will also make it easier to add tests with new colors/attributes,
without having to pre-define the byte sequences ourselves.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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