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The internal URL parsing logic has been made accessible via a new
subcommand "git url-parse".
* mm/git-url-parse:
t9904: add tests for the new url-parse builtin
doc: describe the url-parse builtin
builtin: create url-parse command
urlmatch: define url_parse function
url: return URL_SCHEME_UNKNOWN instead of dying
url: move scheme detection to URL header/source
url: move url_is_local_not_ssh to url.h
connect: rename enum protocol to url_scheme
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A new builtin "git format-rev" is introduced for pretty formatting
one revision expression per line or commit object names found in
running text.
* kh/name-rev-custom-format:
format-rev: introduce builtin for on-demand pretty formatting
name-rev: make dedicated --annotate-stdin --name-only test
name-rev: factor code for sharing with a new command
name-rev: run clang-format before factoring code
name-rev: wrap both blocks in braces
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Introduce a new builtin for pretty formatting one revision expression
per line or commit object names found in running text.
Sometimes you want to format commits. Most of the time you’re
walking the graph, e.g. getting a range of commits like
`master..topic`. That’s a job for git-log(1).
But there are times when you want to format commits that you encounter
on demand:
• Full hashes in running text that you might want to pretty-print
• git-last-modified(1) outputs full hashes that you can do the same
with
• git-cherry(1) has `-v` for commit subject, but maybe you want
something else?
But now you can’t use git-log(1), git-show(1), or git-rev-list(1):
• You can’t feed commits piecemeal to these commands, one input
for one output; they block until standard in is closed
• You can’t feed a list of possibly duplicate commits, like the output
of git-last-modified(1); they effectively deduplicate the output
Beyond these two points there’s also the input massage problem: you
cannot feed mixed input (revisions mixed with arbitrary text).
One might hope that git-cat-file(1) can save us. But it doesn’t
support pretty formats.
But there is one command that already both handles revisions as
arguments, revisions on standard input, and even revisions mixed in
with arbitrary text. Namely git-name-rev(1): the command for outputting
symbolic names for commits.
We made some room in `builtin/name-rev.c` two commits ago. Let’s
now add this new git-format-rev(1) command. Taking inspiration from
git-name-rev(1), there are two modes:
• revs: like git-name-rev(1) in argv mode, but one revision per line
on standard in
• text: like git-name-rev(1) with `--annotate-stdin`
***
We need to add this command to the exception list in
`t/t1517-outside-repo.sh` because it uses “EXPERIMENTAL!”
in the usage line.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git commands can accept a rather wide variety of URLs syntaxes.
The range of accepted inputs might expand even more in the future.
This makes the parsing of URL components difficult since standard URL
parsers cannot be used. Extracting the components of a git URL would
require implementing all the schemes that git itself supports, not to
mention tracking its development continuously in case new URL schemes
are added.
The url-parse builtin command is designed to solve this problem
by exposing git's native URL parsing facilities as a plumbing command.
Other programs can then call upon git itself to parse the git URLs
and extract their components. This should be quite useful for scripts.
Signed-off-by: Matheus Afonso Martins Moreira <matheus@matheusmoreira.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When rewriting history via git-rebase(1) there are a few very common use
cases:
- The ordering of two commits should be reversed.
- A commit should be split up into two commits.
- A commit should be dropped from the history completely.
- Multiple commits should be squashed into one.
- Editing an existing commit that is not the tip of the current
branch.
While these operations are all doable, it often feels needlessly kludgey
to do so by doing an interactive rebase, using the editor to say what
one wants, and then perform the actions. Also, some operations like
splitting up a commit into two are way more involved than that and
require a whole series of commands.
Rebases also do not update dependent branches. The use of stacked
branches has grown quite common with competing version control systems
like Jujutsu though, so it clearly is a need that users have. While
rebases _can_ serve this use case if one always works on the latest
stacked branch, it is somewhat awkward and very easy to get wrong.
Add a new "history" command to plug these gaps. This command will have
several different subcommands to imperatively rewrite history for common
use cases like the above.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Dip our toes a bit to (optionally) use Rust implemented helper
called from our C code.
* ps/rust-balloon:
ci: enable Rust for breaking-changes jobs
ci: convert "pedantic" job into full build with breaking changes
BreakingChanges: announce Rust becoming mandatory
varint: reimplement as test balloon for Rust
varint: use explicit width for integers
help: report on whether or not Rust is enabled
Makefile: introduce infrastructure to build internal Rust library
Makefile: reorder sources after includes
meson: add infrastructure to build internal Rust library
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Introduce infrastructure to build the internal Rust library. This
mirrors the infrastructure we have added to Meson in the preceding
commit. Developers can enable the infrastructure by passing the new
`WITH_RUST` build toggle.
Inspired-by: Ezekiel Newren <ezekielnewren@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A new command "git last-modified" has been added to show the closest
ancestor commit that touched each path.
* tc/last-modified:
last-modified: use Bloom filters when available
t/perf: add last-modified perf script
last-modified: new subcommand to show when files were last modified
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Similar to git-blame(1), introduce a new subcommand
git-last-modified(1). This command shows the most recent modification to
paths in a tree. It does so by expanding the tree at a given commit,
taking note of the current state of each path, and then walking
backwards through history looking for commits where each path changed
into its final commit ID.
Based-on-patch-by: Jeff King <peff@peff.net>
Improved-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, `git rev-parse` covers a wide range of functionality not
directly related to parsing revisions, as its name suggests. Over time,
many features like parsing datestrings, options, paths, and others
were added to it because there wasn't a more appropriate command
to place them.
Create a new Git command called `repo`. `git repo` will be the main
command for obtaining the information about a repository (such as
metadata and metrics).
Also declare a subcommand for `repo` called `info`. `git repo info`
will bring the functionality of retrieving repository-related
information currently returned by `rev-parse`.
Add the required documentation and build changes to enable usage of
this subcommand.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Justin Tobler <jltobler@gmail.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Mentored-by: Karthik Nayak <karthik.188@gmail.com>
Mentored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Lucas Seiki Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Through git-diff(1), a single diff can be generated from a pair of blob
revisions directly. Unfortunately, there is not a mechanism to compute
batches of specific file pair diffs in a single process. Such a feature
is particularly useful on the server-side where diffing between a large
set of changes is not feasible all at once due to timeout concerns.
To facilitate this, introduce git-diff-pairs(1) which acts as a backend
passing its NUL-terminated raw diff format input from stdin through diff
machinery to produce various forms of output such as patch or raw.
The raw format was originally designed as an interchange format and
represents the contents of the diff_queued_diff list making it possible
to break the diff pipeline into separate stages. For example,
git-diff-tree(1) can be used as a frontend to compute file pairs to
queue and feed its raw output to git-diff-pairs(1) to compute patches.
With this, batches of diffs can be progressively generated without
having to recompute renames or retrieve object context. Something like
the following:
git diff-tree -r -z -M $old $new |
git diff-pairs -p -z
should generate the same output as `git diff-tree -p -M`. Furthermore,
each line of raw diff formatted input can also be individually fed to a
separate git-diff-pairs(1) process and still produce the same output.
Based-on-patch-by: Jeff King <peff@peff.net>
Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Lazy-loading missing files in a blobless clone on demand is costly
as it tends to be one-blob-at-a-time. "git backfill" is introduced
to help bulk-download necessary files beforehand.
* ds/backfill:
backfill: assume --sparse when sparse-checkout is enabled
backfill: add --sparse option
backfill: add --min-batch-size=<n> option
backfill: basic functionality and tests
backfill: add builtin boilerplate
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In anticipation of implementing 'git backfill', populate the necessary files
with the boilerplate of a new builtin. Mark the builtin as experimental at
this time, allowing breaking changes in the near future, if necessary.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The C functions exported by libgit-sys do not provide an idiomatic Rust
interface. To make it easier to use these functions via Rust, add a
higher-level "libgit" crate, that wraps the lower-level configset API
with an interface that is more Rust-y.
This combination of $X and $X-sys crates is a common pattern for FFI in
Rust, as documented in "The Cargo Book" [1].
[1] https://doc.rust-lang.org/cargo/reference/build-scripts.html#-sys-packages
Co-authored-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce libgit-sys, a Rust wrapper crate that allows Rust code to call
functions in libgit.a. This initial patch defines build rules and an
interface that exposes user agent string getter functions as a proof of
concept. This library can be tested with `cargo test`. In later commits,
a higher-level library containing a more Rust-friendly interface will be
added at `contrib/libgit-rs`.
Symbols in libgit can collide with symbols from other libraries such as
libgit2. We avoid this by first exposing library symbols in
public_symbol_export.[ch]. These symbols are prepended with "libgit_" to
avoid collisions and set to visible using a visibility pragma. In
build.rs, Rust builds contrib/libgit-rs/libgit-sys/libgitpub.a, which also
contains libgit.a and other dependent libraries, with
-fvisibility=hidden to hide all symbols within those libraries that
haven't been exposed with a visibility pragma.
Co-authored-by: Kyle Lippincott <spectral@google.com>
Co-authored-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "bin-wrappers/" directory gets created by our build system and is
populated with one script for each of our binaries. There isn't anything
inherently wrong with the current layout, but it is somewhat hard to
adapt for out-of-tree build systems.
Adapt the layout such that our "bin-wrappers/" directory always exists
and contains our "wrap-for-bin.sh" script to make things a little bit
easier for subsequent steps.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "git.rc" is used on Windows to embed information like the project
name and version into the resulting executables. As such we need to
inject the version information, which we do by using preprocessor
defines. The logic to do so is non-trivial and needs to be kept in sync
with the different build systems.
Refactor the logic so that we generate "git.rc" via `GIT-VERSION-GEN`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We set up a couple of preprocessor macros when compiling Git that
propagate the version that Git was built from to `git version` et al.
The way this is set up makes it harder than necessary to reuse the
infrastructure across the different build systems.
Refactor this such that we generate a "version-def.h" header via
`GIT-VERSION-GEN` instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Wire up the clar unit testing framework by introducing a new
"unit-tests" executable. In contrast to the existing framework, this
will result in a single executable for all test suites. The ability to
pick specific tests to execute is retained via functionality built into
the clar itself.
Note that we need to be a bit careful about how we need to invalidate
our Makefile rules. While we obviously have to regenerate the clar suite
when our test suites change, we also have to invalidate it in case any
of the test suites gets removed. We do so by using our typical pattern
of creating a `GIT-TEST-SUITES` file that gets updated whenever the set
of test suites changes, so that we can easily depend on that file.
Another specialty is that we generate a "clar-decls.h" file. The test
functions are neither static, nor do they have external declarations.
This is because they are getting parsed via "generate.py", which then
creates the external generations that get populated into an array. These
declarations are only seen by the main function though.
The consequence is that we will get a bunch of "missing prototypes"
errors from our compiler for each of these test functions. To fix those
errors, we extract the `extern` declarations from "clar.suite" and put
them into a standalone header that then gets included by each of our
unit tests. This gets rid of compiler warnings for every function which
has been extracted by "generate.py". More importantly though, it does
_not_ get rid of warnings in case a function really isn't being used by
anything. Thus, it would cause a compiler error if a function name was
mistyped and thus not picked up by "generate.py".
The test driver "unit-test.c" is an empty stub for now. It will get
implemented in the next commit.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a new command that allows the user to migrate a repository
between ref storage formats. This new command is implemented as part of
a new git-refs(1) executable. This is due to two reasons:
- There is no good place to put the migration logic in existing
commands. git-maintenance(1) felt unwieldy, and git-pack-refs(1) is
not the correct place to put it, either.
- I had it in my mind to create a new low-level command for accessing
refs for quite a while already. git-refs(1) is that command and can
over time grow more functionality relating to refs. This should help
discoverability by consolidating low-level access to refs into a
single executable.
As mentioned in the preceding commit that introduces the ref storage
format migration logic, the new `git refs migrate` command still has a
bunch of restrictions. These restrictions are documented accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For now, this is just a rename from `t/helper/test-fast-rebase.c` into
`builtin/replay.c` with minimal changes to make it build appropriately.
Let's add a stub documentation and a stub test script though.
Subsequent commits will flesh out the capabilities of the new command
and make it a more standard regular builtin.
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In at least some versions of clangd, including version 15 in Ubuntu
23.04, a directory, .cache, is written in the root of the repository
with index information about the files in the repository. Since clangd
is the most common language server protocol (LSP) implementation for C,
and we already support it using the GENERATE_COMPILATION_DATABASE flags
to make it functional, it's likely many users are using or will want to
use it.
As a result, ignore the ".cache" directory to help avoid users
accidentally committing the data.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since [1] first released with Git v2.37.0 the built-in version of "add
-i" has been the default. That built-in implementation was added in
[2], first released with Git v2.25.0.
At this point enough time has passed to allow for finding any
remaining bugs in this new implementation, so let's remove the
fallback code.
As with similar migrations for "stash"[3] and "rebase"[4] we're
keeping a mention of "add.interactive.useBuiltin" in the
documentation, but adding a warning() to notify any outstanding users
that the built-in is now the default. As with [5] and [6] we should
follow-up in the future and eventually remove that warning.
1. 0527ccb1b55 (add -i: default to the built-in implementation,
2021-11-30)
2. f83dff60a78 (Start to implement a built-in version of `git add
--interactive`, 2019-11-13)
3. 8a2cd3f5123 (stash: remove the stash.useBuiltin setting,
2020-03-03)
4. d03ebd411c6 (rebase: remove the rebase.useBuiltin setting,
2019-03-18)
5. deeaf5ee077 (stash: remove documentation for `stash.useBuiltin`,
2022-01-27)
6. 9bcde4d5314 (rebase: remove transitory rebase.useBuiltin setting &
env, 2021-03-23)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove "git env--helper" and demote it to a test-tool subcommand.
* ab/test-env-helper:
env-helper: move this built-in to "test-tool env-helper"
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Since [1] there has been no reason for keeping "git env--helper" a
built-in. The reason it was a built-in to begin with was to support
the GIT_TEST_GETTEXT_POISON mode removed in that commit. I.e. unlike
the rest of "test-tool" it would potentially be called by the
installed git via "git-sh-i18n.sh".
As none of that applies since [1] we should stop carrying this
technical debt, and move it to t/helper/*. As this mostly move-only
change shows this has the nice bonus that we'll stop wasting time
translating the internal-only strings it emits.
Even though this was a built-in, it was intentionally never
documented, see its introduction in [2]. It never saw use outside of
the test suite, except for the "GIT_TEST_GETTEXT_POISON" use-case
noted above.
1. d162b25f956 (tests: remove support for GIT_TEST_GETTEXT_POISON,
2021-01-20)
2. b4f207f3394 (env--helper: new undocumented builtin wrapping
git_env_*(), 2019-06-21)
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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`git bisect` becomes a builtin.
* dd/git-bisect-builtin:
bisect; remove unused "git-bisect.sh" and ".gitignore" entry
Turn `git bisect` into a full built-in
bisect--helper: log: allow arbitrary number of arguments
bisect--helper: handle states directly
bisect--helper: emit usage for "git bisect"
bisect test: test exit codes on bad usage
bisect--helper: identify as bisect when report error
bisect-run: verify_good: account for non-negative exit status
bisect run: keep some of the post-v2.30.0 output
bisect: fix output regressions in v2.30.0
bisect: refactor bisect_run() to match CodingGuidelines
bisect tests: test for v2.30.0 "bisect run" regressions
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"make coccicheck" is time consuming. It has been made to run more
incrementally.
* ab/coccicheck-incremental:
Makefile: don't create a ".build/.build/" for cocci, fix output
spatchcache: add a ccache-alike for "spatch"
cocci: run against a generated ALL.cocci
cocci rules: remove <id>'s from rules that don't need them
Makefile: copy contrib/coccinelle/*.cocci to build/
cocci: optimistically use COMPUTE_HEADER_DEPENDENCIES
cocci: make "coccicheck" rule incremental
cocci: split off "--all-includes" from SPATCH_FLAGS
cocci: split off include-less "tests" from SPATCH_FLAGS
Makefile: split off SPATCH_BATCH_SIZE comment from "cocci" heading
Makefile: have "coccicheck" re-run if flags change
Makefile: add ability to TAB-complete cocci *.patch rules
cocci rules: remove unused "F" metavariable from pending rule
Makefile + shared.mak: rename and indent $(QUIET_SPATCH_T)
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Since 73fce29427 (Turn `git bisect` into a full built-in, 2022-11-10)
we've used builtin/bisect.c instead of git-bisect.sh to implement the
"bisect" command.
Let's remove the unused leftover script, and the ".gitignore" entry for
the "git-bisect--helper", which also hasn't been built since
73fce29427.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Fix an issue with the "coccicheck" family of rules that's been here
since 63f0a758a06 (add coccicheck make target, 2016-09-15), unlike
e.g. "make grep.o" we wouldn't re-run it when $(SPATCH) or
$(SPATCH_FLAGS) changed. To test new flags we needed to first do a
"make cocciclean".
This now uses the same (copy/pasted) pattern as other "DEFINES"
rules. As a result we'll re-run properly. This can be demonstrated
e.g. on the issue noted in [1]:
$ make contrib/coccinelle/xcalloc.cocci.patch COCCI_SOURCES=promisor-remote.c V=1
[...]
SPATCH contrib/coccinelle/xcalloc.cocci
$ make contrib/coccinelle/xcalloc.cocci.patch COCCI_SOURCES=promisor-remote.c SPATCH_FLAGS="--all-includes --recursive-includes"
* new spatch flags
SPATCH contrib/coccinelle/xcalloc.cocci
SPATCH result: contrib/coccinelle/xcalloc.cocci.patch
$
1. https://lore.kernel.org/git/20220823095602.GC1735@szeder.dev/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
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Update to build procedure with VS using CMake/CTest.
* js/cmake-updates:
cmake: increase time-out for a long-running test
cmake: avoid editing t/test-lib.sh
add -p: avoid ambiguous signed/unsigned comparison
cmake: copy the merge tools for testing
cmake: make it easier to diagnose regressions in CTest runs
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In 7f5397a07c6c (cmake: support for testing git when building out of the
source tree, 2020-06-26), we implemented support for running Git's test
scripts even after building Git in a different directory than the source
directory.
The way we did this was to edit the file `t/test-lib.sh` to override
`GIT_BUILD_DIR` to point somewhere else than the parent of the `t/`
directory.
This is unideal because it always leaves a tracked file marked as
modified, and it is all too easy to commit that change by mistake.
Let's change the strategy by teaching `t/test-lib.sh` to detect the
presence of a file called `GIT-BUILD-DIR` in the source directory. If it
exists, the contents are interpreted as the location to the _actual_
build directory. We then write this file as part of the CTest
definition.
To support building Git via a regular `make` invocation after building
it using CMake, we ensure that the `GIT-BUILD-DIR` file is deleted (for
convenience, this is done as part of the Makefile rule that is already
run with every `make` invocation to ensure that `GIT-BUILD-OPTIONS` is
up to date).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Source file shuffling.
* ac/fuzzers:
fuzz: reorganise the path for existing oss-fuzz fuzzers
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Like most builtins, 'version' is documented in a corresponding
'Documentation/git-version.txt' and can be invoked with 'git version'.
However, the 'check-docs' Makefile target showed that it was "removed but
documented: git-version." This was cause by the fact that it is not built as
a standalone 'git-version' executable, therefore appearing "removed" to
'check-docs'.
Without a precedent for documented builtins that aren't built into an
executable *or* any clear reason why a standalone 'git-version' shouldn't
exist, the 'check-docs' error appears to correctly identify an issue. To
correct that mismatch, add 'git-version' to the 'BUILT_INS' list in the root
Makefile (indicating that the 'cmd_version()' function appears in a file
that is *not* 'builtin/version.c'). Additionally, to avoid the "no link"
message in 'check-docs', list 'git-version' as an "ancilliaryinterrogator"
(like 'git help') in 'command-list.txt'.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to provide a better organisation for oss-fuzz fuzzers and
to avoid top-level clustters in the git repository when more fuzzers
are introduced, move the existing fuzzer-related sources to their
own oss-fuzz/ hierarchy. Grouping the fuzzers into their own
directory, separate their application on fuzz-testing from the core
functionalities of the git code, prvides better and tidier structure
the oss-fuzz fuzzing library to manage, locate, build and execute
those fuzzers for fuzz-testing purposes in future development.
Signed-off-by: Arthur Chan <arthur.chan@adalogics.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move 'scalar' out of 'contrib/' and into the root of the Git tree. The goal
of this change is to build 'scalar' as part of the standard Git build &
install processes.
This patch includes both the physical move of Scalar's files out of
'contrib/' ('scalar.c', 'scalar.txt', and 't9xxx-scalar.sh'), and the
changes to the build definitions in 'Makefile' and 'CMakelists.txt' to
accommodate the new program.
At a high level, Scalar is built so that:
- there is a 'scalar-objs' target (similar to those created in 029bac01a8
(Makefile: add {program,xdiff,test,git,fuzz}-objs & objects targets,
2021-02-23)) for debugging purposes.
- it appears in the root of the install directory (rather than the
gitexecdir).
- it is included in the 'bin-wrappers/' directory for use in tests.
- it receives a platform-specific executable suffix (e.g., '.exe'), if
applicable.
- 'scalar.txt' is installed as 'man1' documentation.
- the 'clean' target removes the 'scalar' executable.
Additionally, update the root level '.gitignore' file to ignore the Scalar
executable.
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create a 'git diagnose' builtin to generate a standalone zip archive of
repository diagnostics.
The "diagnose" functionality was originally implemented for Scalar in
aa5c79a331 (scalar: implement `scalar diagnose`, 2022-05-28). However, the
diagnostics gathered are not specific to Scalar-cloned repositories and
can be useful when diagnosing issues in any Git repository.
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adjust the overly broad .gitignore and "make clean" rule added in
ce39c2e04ce (Provide a Windows version resource for the git
executables., 2012-05-24).
For now this is merely a correctness fix, but needed because a
subsequent commit will want to check in *.res files elsewhere in the
tree, which we shouldn't have to "git add -f".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Before commit fc0fd5b23b (Makefile: help gettext tools to cope with our
custom PRItime format, 2017-07-20), we'd consider source files as-is
with gettext, but because we need to understand PRItime in the same way
that gettext itself understands PRIuMAX, we'd first check if we had a
clean checkout, then munge all of the processed files in-place with
"sed", generate "po/git.pot", and then finally "reset --hard" to undo
our changes.
By generating "pot" snippets in ".build/pot/po" for each source file
and rewriting certain source files with PRItime macros to temporary
files in ".build/pot/po", we can avoid running "make pot" by altering
files in place and doing a "reset --hard" afterwards.
This speed of "make pot" is slower than before on an initial run,
because we run "xgettext" many times (once per source file), but it
can be boosted by parallelization. It is *much* faster for incremental
runs, and will allow us to implement related targets in subsequent
commits.
When the "pot" target was originally added in cd5513a7168 (i18n:
Makefile: "pot" target to extract messages marked for translation,
2011-02-22) it behaved like a "normal" target. I.e. we'd skip the
re-generation of the po/git.pot if nothing had to be done.
Then after po/git.pot was checked in in dce37b66fb0 (l10n: initial
git.pot for 1.7.10 upcoming release, 2012-02-13) the target was broken
until 1f31963e921 (i18n: treat "make pot" as an explicitly-invoked
target, 2014-08-22) when it was made to depend on "FORCE". I.e. the
Makefile's dependency resolution inherently can't handle incremental
building when the target file may be updated by git (or something else
external to "make"). But this case no longer applies, so FORCE is no
longer needed.
That out of the way, the main logic change here is getting rid of the
"reset --hard":
We'll generate intermediate ".build/pot/po/%.po" files from "%", which
is handy to see at a glance what strings (if any) in a given file are
marked for translation:
$ make .build/pot/po/pretty.c.po
[...]
$ cat .build/pot/po/pretty.c.po
#: pretty.c:1051
msgid "unable to parse --pretty format"
msgstr ""
$
For these C source files which contain the PRItime macros, we will
create temporary munged "*.c" files in a tree in ".build/pot/po"
corresponding to our source tree, and have "xgettext" consider those.
The rule needs to be careful to "(cd .build/pot/po && ...)", because
otherwise the comments in the po/git.pot file wouldn't refer to the
correct source locations (they'd be prefixed with ".build/pot/po").
These temporary munged "*.c” files will be removed immediately after
the corresponding po files are generated, because some development tools
cannot ignore the duplicate source files in the ".build" directory
according to the ".gitignore" file, and that may cause trouble.
The output of the generated po/git.pot file is changed in one minor
way: Because we're using msgcat(1) instead of xgettext(1) to
concatenate the output we'll now disambiguate where "TRANSLATORS"
comments come from, in cases where a message is the same in N files,
and either only one has a "TRANSLATORS" comment, or they're
different. E.g. for the "Your edited hunk[...]" message we'll now
apply this change (comment content elided):
+#. #-#-#-#-# add-patch.c.po #-#-#-#-#
#. TRANSLATORS: do not translate [y/n]
[...]
+#. #-#-#-#-# git-add--interactive.perl.po #-#-#-#-#
#. TRANSLATORS: do not translate [y/n]
[...]
#: add-patch.c:1253 git-add--interactive.perl:1244
msgid ""
"Your edited hunk does not apply. Edit again (saying \"no\" discards!) [y/n]? "
msgstr ""
There are six such changes, and they all make the context more
understandable, as msgcat(1) is better at handling these edge cases
than xgettext(1)'s previously used "--join-existing" flag.
But filenames in the above disambiguation lines of extracted-comments
have an extra ".po" extension compared to the filenames at the file
locations. While we could rename the intermediate ".build/pot/po/%.po"
files without the ".po" extension to use more intuitive filenames in
the disambiguation lines of extracted-comments, but that will confuse
developer tools with lots of invalid C or other source files in
".build/pot/po" directory.
The addition of "--omit-header" option for xgettext makes the "pot"
snippets in ".build/pot/po/*.po" smaller. But as we'll see in a
subsequent commit this header behavior has been hiding an
encoding-related bug from us, so let's carry it forward instead of
re-generating it with xgettext(1).
The "po/git.pot" file should have a header entry, because a proper
header entry will increase the speed of creating a new po file using
msginit and set a proper "POT-Creation-Date:" field in the header
entry of a "po/XX.po" file. We use xgettext to generate a separate
header file at ".build/pot/git.header" from "/dev/null", and use this
header to assemble "po/git.pot".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create a built-in file system monitoring daemon that can be used by
the existing `fsmonitor` feature (protocol API and index extension)
to improve the performance of various Git commands, such as `status`.
The `fsmonitor--daemon` feature builds upon the `Simple IPC` API and
provides an alternative to hook access to existing fsmonitors such
as `watchman`.
This commit merely adds the new command without any functionality.
Co-authored-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to enable hooks to be run as an external process, by a
standalone Git command, or by tools which wrap Git, provide an external
means to run all configured hook commands for a given hook event.
Most of our hooks require more complex functionality than this, but
let's start with the bare minimum required to support our simplest
hooks.
In terms of implementation the usage_with_options() and "goto usage"
pattern here mirrors that of
builtin/{commit-graph,multi-pack-index}.c.
Some of the implementation here, such as a function being named
run_hooks_opt() when it's tasked with running one hook, to using the
run_processes_parallel_tr2() API to run with jobs=1 is somewhere
between a bit odd and and an overkill for the current features of this
"hook run" command and the hook.[ch] API.
This code will eventually be able to run multiple hooks declared in
config in parallel, by starting out with these names and APIs we
reduce the later churn of renaming functions, switching from the
run_command() to run_processes_parallel_tr2() API etc.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "--preserve-merges" option of "git rebase" has been removed.
* js/retire-preserve-merges:
sequencer: restrict scope of a formerly public function
rebase: remove a no-longer-used function
rebase: stop mentioning the -p option in comments
rebase: remove obsolete code comment
rebase: drop the internal `rebase--interactive` command
git-svn: drop support for `--preserve-merges`
rebase: drop support for `--preserve-merges`
pull: remove support for `--rebase=preserve`
tests: stop testing `git rebase --preserve-merges`
remote: warn about unhandled branch.<name>.rebase values
t5520: do not use `pull.rebase=preserve`
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Prevent "make sparse" from running for the source files that
haven't been modified.
* ab/make-sparse-for-real:
Makefile: make the "sparse" target non-.PHONY
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Make githooks(5) the source of truth for what hooks git supports, and
punt out early on hooks we don't know about in find_hook(). This
ensures that the documentation and the C code's idea about existing
hooks doesn't diverge.
We still have Perl and Python code running its own hooks, but that'll
be addressed by Emily Shaffer's upcoming "git hook run" command.
This resolves a long-standing TODO item in bugreport.c of there being
no centralized listing of hooks, and fixes a bug with the bugreport
listing only knowing about 1/4 of the p4 hooks. It didn't know about
the recent "reference-transaction" hook either.
We could make the find_hook() function die() or BUG() out if the new
known_hook() returned 0, but let's make it return NULL just as it does
when it can't find a hook of a known type. Making it die() is overly
anal, and unlikely to be what we need in catching stupid typos in the
name of some new hook hardcoded in git.git's sources. By making this
be tolerant of unknown hook names, changes in a later series to make
"git hook run" run arbitrary user-configured hook names will be easier
to implement.
I have not been able to directly test the CMake change being made
here. Since 4c2c38e800 (ci: modification of main.yml to use cmake for
vs-build job, 2020-06-26) some of the Windows CI has a hard dependency
on CMake, this change works there, and is to my eyes an obviously
correct use of a pattern established in previous CMake changes,
namely:
- 061c2240b1 (Introduce CMake support for configuring Git,
2020-06-12)
- 709df95b78 (help: move list_config_help to builtin/help,
2020-04-16)
- 976aaedca0 (msvc: add a Makefile target to pre-generate the Visual
Studio solution, 2019-07-29)
The LC_ALL=C is needed because at least in my locale the dash ("-") is
ignored for the purposes of sorting, which results in a different
order. I'm not aware of anything in git that has a hard dependency on
the order, but e.g. the bugreport output would end up using whatever
locale was in effect when git was compiled.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Helped-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the "sparse" target and its *.sp dependencies to be
non-.PHONY. Before this change "make sparse" would take ~5s to re-run
all the *.c files through "cgcc", after it it'll create an empty *.sp
file sitting alongside the *.c file, only if the *.c file or its
dependencies are newer than the *.sp is the *.sp re-made.
We ensure that the recursive dependencies are correct by depending on
the *.o file, which in turn will have correct dependencies by either
depending on all header files, or under
"COMPUTE_HEADER_DEPENDENCIES=yes" the headers it needs.
This means that a plain "make sparse" is much slower, as we'll now
need to make the *.o files just to create the *.sp files, but
incrementally creating the *.sp files is *much* faster and less
verbose, it thus becomes viable to run "sparse" along with "all" as
e.g. "git rebase --exec 'make all sparse'".
On my box with -j8 "make sparse" was fast before, or around 5 seconds,
now it only takes that long the first time, and the common case is
<100ms, or however long it takes GNU make to stat the *.sp file and
see that all the corresponding *.c file and its dependencies are
older.
See 0bcd9ae85d7 (sparse: Fix errors due to missing target-specific
variables, 2011-04-21) for the modern implementation of the sparse
target being changed here.
It is critical that we use -Wsparse-error here, otherwise the error
would only show up once, but we'd successfully create the empty *.sp
file, and running a second time wouldn't show the error. I'm therefore
not putting it into SPARSE_FLAGS or SP_EXTRA_FLAGS, it's not optional,
the Makefile logic won't behave properly without it.
Appending to $@ without a move is OK here because we're using the
.DELETE_ON_ERROR Makefile feature. See 7b76d6bf221 (Makefile: add and
use the ".DELETE_ON_ERROR" flag, 2021-06-29). GNU make ensures that on
error this file will be removed.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This option was deprecated in favor of `--rebase-merges` some time ago,
and now we retire it.
To assist users to transition away, we do not _actually_ remove the
option, but now we no longer implement the functionality. Instead, we
offer a helpful error message suggesting which option to use.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git subtree" updates.
* ls/subtree: (30 commits)
subtree: be stricter about validating flags
subtree: push: allow specifying a local rev other than HEAD
subtree: allow 'split' flags to be passed to 'push'
subtree: allow --squash to be used with --rejoin
subtree: give the docs a once-over
subtree: have $indent actually affect indentation
subtree: don't let debug and progress output clash
subtree: add comments and sanity checks
subtree: remove duplicate check
subtree: parse revs in individual cmd_ functions
subtree: use "^{commit}" instead of "^0"
subtree: don't fuss with PATH
subtree: use "$*" instead of "$@" as appropriate
subtree: use more explicit variable names for cmdline args
subtree: use git-sh-setup's `say`
subtree: use `git merge-base --is-ancestor`
subtree: drop support for git < 1.7
subtree: more consistent error propagation
subtree: don't have loose code outside of a function
subtree: t7900: add porcelain tests for 'pull' and 'push'
...
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Running `make -C contrib/subtree/ test` creates a `git-subtree` executable
in the root of the repo. Add it to the .gitignore so that anyone hacking
on subtree won't have to deal with that noise.
Signed-off-by: Luke Shumaker <lukeshu@datawire.io>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use multiple worker processes to distribute the queued entries and call
write_pc_item() in parallel for them. The items are distributed
uniformly in contiguous chunks. This minimizes the chances of two
workers writing to the same directory simultaneously, which could affect
performance due to lock contention in the kernel. Work stealing (or any
other format of re-distribution) is not implemented yet.
The protocol between the main process and the workers is quite simple.
They exchange binary messages packed in pkt-line format, and use
PKT-FLUSH to mark the end of input (from both sides). The main process
starts the communication by sending N pkt-lines, each corresponding to
an item that needs to be written. These packets contain all the
necessary information to load, smudge, and write the blob associated
with each item. Then it waits for the worker to send back N pkt-lines
containing the results for each item. The resulting packet must contain:
the identification number of the item that it refers to, the status of
the operation, and the lstat() data gathered after writing the file (iff
the operation was successful).
For now, checkout always uses a hardcoded value of 2 workers, only to
demonstrate that the parallel checkout framework correctly divides and
writes the queued entries. The next patch will add user configurations
and define a more reasonable default, based on tests with the said
settings.
Co-authored-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Co-authored-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Random cleanup.
* fc/random-cleanup:
gitignore: remove entry for git serve
gitignore: drop duplicate entry for git-sh-i18n
tests: lib-functions: trivial style cleanups
test: completion: fix typos
.gitignore: remove dangling file
refspec: trivial cleanup
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"git-parse-remote" shell script library outlived its usefulness.
* ab/retire-parse-remote:
submodule: fix fetch_in_submodule logic
parse-remote: remove this now-unused library
submodule: remove sh function in favor of helper
submodule: use "fetch" logic instead of custom remote discovery
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