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The rename detection logic sorts a list of rename source candidates
by similarity to pick the best candidate, which means that a tie
between sources with the same similarity is broken by the original
location in the original candidate list (which is sorted by path).
Force the sorting by similarity done with a stable sort, which is
not promised by system supplied qsort(3), to ensure consistent
results across platforms.
* js/diff-rename-force-stable-sort:
diffcore_rename(): use a stable sort
Move git_sort(), a stable sort, into into libgit.a
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Dev support.
* dl/honor-cflags-in-hdr-check:
ci: run `hdr-check` as part of the `Static Analysis` job
Makefile: emulate compile in $(HCO) target better
pack-bitmap.h: remove magic number
promisor-remote.h: include missing header
apply.h: include missing header
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Regression fix for progress output.
* sg/progress-fix:
Test the progress display
Revert "progress: use term_clear_line()"
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Coccinelle checks are done on more source files than before now.
* dl/cocci-everywhere:
Makefile: run coccicheck on more source files
Makefile: strip leading ./ in $(FIND_SOURCE_FILES)
Makefile: define THIRD_PARTY_SOURCES
Makefile: strip leading ./ in $(LIB_H)
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The `qsort()` function is not guaranteed to be stable, i.e. it does not
promise to maintain the order of items it is told to consider equal. In
contrast, the `git_sort()` function we carry in `compat/qsort.c` _is_
stable, by virtue of implementing a merge sort algorithm.
In preparation for using a stable sort in Git's rename detection, move
the stable sort into `libgit.a` so that it is compiled in
unconditionally, and rename it to `git_stable_qsort()`.
Note: this also makes the hack obsolete that was introduced in
fe21c6b285d (mingw: reencode environment variables on the fly (UTF-16
<-> UTF-8), 2018-10-30), where we included `compat/qsort.c` directly in
`compat/mingw.c` to use the stable sort.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, when testing headers using `make hdr-check`, headers are
directly compiled. Although this seems to test the headers, this is too
strict since we treat the headers as C sources. As a result, this will
cause warnings to appear that would otherwise not, such as a static
variable definition intended for later use throwing a unused variable
warning.
In addition, on platforms that can run `make hdr-check` but require
custom flags, this target was failing because none of them were being
passed to the compiler. For example, on MacOS, the NO_OPENSSL flag was
being set but it was not being passed into compiler so the check was
failing.
Fix these problems by emulating the compile process better, including
test compiling dummy *.hcc C sources generated from the *.h files and
passing $(ALL_CFLAGS) into the compiler for the $(HCO) target so that
these custom flags can be used.
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach the lazy clone machinery that there can be more than one
promisor remote and consult them in order when downloading missing
objects on demand.
* cc/multi-promisor:
Move core_partial_clone_filter_default to promisor-remote.c
Move repository_format_partial_clone to promisor-remote.c
Remove fetch-object.{c,h} in favor of promisor-remote.{c,h}
remote: add promisor and partial clone config to the doc
partial-clone: add multiple remotes in the doc
t0410: test fetching from many promisor remotes
builtin/fetch: remove unique promisor remote limitation
promisor-remote: parse remote.*.partialclonefilter
Use promisor_remote_get_direct() and has_promisor_remote()
promisor-remote: use repository_format_partial_clone
promisor-remote: add promisor_remote_reinit()
promisor-remote: implement promisor_remote_get_direct()
Add initial support for many promisor remotes
fetch-object: make functions return an error code
t0410: remove pipes after git commands
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Before, when running the "coccicheck" target, only the source files
which were being compiled would have been checked by Coccinelle.
However, just because we aren't compiling a source file doesn't mean we
have to exclude it from analysis. This will allow us to catch more
mistakes, in particular ones that affect Windows-only sources since
Coccinelle currently runs only on Linux.
Make the "coccicheck" target run on all C sources except for those that
are taken from some third-party source. We don't want to patch these
files since we want them to be as close to upstream as possible so that
it'll be easier to pull in upstream updates.
When running a build on Arch Linux with no additional flags provided,
after applying this patch, the following sources are now checked:
* block-sha1/sha1.c
* compat/access.c
* compat/basename.c
* compat/fileno.c
* compat/gmtime.c
* compat/hstrerror.c
* compat/memmem.c
* compat/mingw.c
* compat/mkdir.c
* compat/mkdtemp.c
* compat/mmap.c
* compat/msvc.c
* compat/pread.c
* compat/precompose_utf8.c
* compat/qsort.c
* compat/setenv.c
* compat/sha1-chunked.c
* compat/snprintf.c
* compat/stat.c
* compat/strcasestr.c
* compat/strdup.c
* compat/strtoimax.c
* compat/strtoumax.c
* compat/unsetenv.c
* compat/win32/dirent.c
* compat/win32/path-utils.c
* compat/win32/pthread.c
* compat/win32/syslog.c
* compat/win32/trace2_win32_process_info.c
* compat/win32mmap.c
* compat/winansi.c
* ppc/sha1.c
This also results in the following source now being excluded:
* compat/obstack.c
Instead of generating $(FOUND_C_SOURCES) from a
`$(shell $(FIND_SOURCE_FILES))` invocation, an alternative design was
considered which involved converting $(FIND_SOURCE_FILES) into
$(SOURCE_FILES) which would hold a list of filenames from the
$(FIND_SOURCE_FILES) invocation. We would simply filter `%.c` files into
$(ALL_C_SOURCES). $(SOURCE_FILES) would then be passed directly to the
etags, ctags and cscope commands. We can see from the following
invocation
$ git ls-files '*.[hcS]' '*.sh' ':!*[tp][0-9][0-9][0-9][0-9]*' ':!contrib' | wc -c
12779
that the number of characters in this list would pose a problem on
platforms with short command-line length limits (such as CMD which has a
max of 8191 characters). As a result, we don't perform this change.
However, we can see that the same issue may apply when running
Coccinelle since $(COCCI_SOURCES) is also a list of filenames:
if ! echo $(COCCI_SOURCES) | xargs $$limit \
$(SPATCH) --sp-file $< $(SPATCH_FLAGS) \
>$@+ 2>$@.log; \
This is justified since platforms that support Coccinelle generally have
reasonably long command-line length limits and so we are safe for the
foreseeable future.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, $(FIND_SOURCE_FILES) has two modes: if `git ls-files` is
present, it will use that to enumerate the files in the repository; else
it will use `$(FIND) .` to enumerate the files in the directory.
There is a subtle difference between these two methods, however. With
ls-files, filenames don't have a leading `./` while with $(FIND), they
do. This does not currently pose a problem but in a future patch, we
will be using `filter-out` to process the list of files with the
assumption that there is no prefix.
Unify the two possible invocations in $(FIND_SOURCE_FILES) by using sed
to remove the `./` prefix in the $(FIND) case.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some files in our codebase are borrowed from other projects, and
minimally updated to suit our own needs. We'd sometimes need to tell
our own sources and these third-party sources apart for management
purposes (e.g. we may want to be less strict about coding style and
other issues on third-party files).
Define the $(MAKE) variable THIRD_PARTY_SOURCES that can be used to
match names of third-party sources.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'progress.c' has seen a few fixes recently [1], and, unfortunately,
some of those fixes required further fixes [2]. It seems it's time to
have a few tests focusing on the subtleties of the progress display.
Add the 'test-tool progress' subcommand to help testing the progress
display, reading instructions from standard input and turning them
into calls to the display_progress() and display_throughput()
functions with the given parameters.
The progress display is, however, critically dependent on timing,
because it's only updated once every second or, if the toal is known
in advance, every 1%, and there is the throughput rate as well. These
make the progress display far too undeterministic for testing as-is.
To address this, add a few testing-specific variables and functions to
'progress.c', allowing the the new test helper to:
- Disable the triggered-every-second SIGALRM and set the
'progress_update' flag explicitly based in the input instructions.
This way the progress line will be updated deterministically when
the test wants it to be updated.
- Specify the time elapsed since start_progress() to make the
throughput rate calculations deterministic.
Add the new test script 't0500-progress-display.sh' to check a few
simple cases with and without throughput, and that a shorter progress
line properly covers up the previously displayed line in different
situations.
[1] See commits 545dc345eb (progress: break too long progress bar
lines, 2019-04-12) and 9f1fd84e15 (progress: clear previous
progress update dynamically, 2019-04-12).
[2] 1aed1a5f25 (progress: avoid empty line when breaking the progress
line, 2019-05-19)
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, $(LIB_H) is generated from two modes: if `git ls-files` is
present, it will use that to enumerate the files in the repository; else
it will use `$(FIND) .` to enumerate the files in the directory.
There is a subtle difference between these two methods, however. With
ls-files, filenames don't have a leading `./` while with $(FIND), they
do. This results in $(CHK_HDRS) having to substitute out the leading
`./` before it uses $(LIB_H).
Unify the two possible values in $(LIB_H) by using patsubst to remove the
`./` prefix at its definition.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A mechanism to affect the default setting for a (related) group of
configuration variables is introduced.
* ds/feature-macros:
repo-settings: create feature.experimental setting
repo-settings: create feature.manyFiles setting
repo-settings: parse core.untrackedCache
commit-graph: turn on commit-graph by default
t6501: use 'git gc' in quiet mode
repo-settings: consolidate some config settings
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There are a few important config settings that are not loaded
during git_default_config. These are instead loaded on-demand.
Centralize these config options to a single scan, and store
all of the values in a repo_settings struct. The values for
each setting are initialized as negative to indicate "unset".
This centralization will be particularly important in a later
change to introduce "meta" config settings that change the
defaults for these config settings.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Support building Git with Visual Studio
The bits about .git/branches/* have been dropped from the series.
We may want to drop the support for it, but until that happens, the
tests should rely on the existence of the support to pass.
* js/visual-studio: (23 commits)
git: avoid calling aliased builtins via their dashed form
bin-wrappers: append `.exe` to target paths if necessary
.gitignore: ignore Visual Studio's temporary/generated files
.gitignore: touch up the entries regarding Visual Studio
vcxproj: also link-or-copy builtins
msvc: add a Makefile target to pre-generate the Visual Studio solution
contrib/buildsystems: add a backend for modern Visual Studio versions
contrib/buildsystems: handle options starting with a slash
contrib/buildsystems: also handle -lexpat
contrib/buildsystems: handle libiconv, too
contrib/buildsystems: handle the curl library option
contrib/buildsystems: error out on unknown option
contrib/buildsystems: optionally capture the dry-run in a file
contrib/buildsystems: redirect errors of the dry run into a log file
contrib/buildsystems: ignore gettext stuff
contrib/buildsystems: handle quoted spaces in filenames
contrib/buildsystems: fix misleading error message
contrib/buildsystems: ignore irrelevant files in Generators/
contrib/buildsystems: ignore invalidcontinue.obj
Vcproj.pm: urlencode '<' and '>' when generating VC projects
...
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When compiling with Visual Studio, the projects' names are identical to
the executables modulo the extensions. Read: there will exist both a
directory called `git` as well as an executable called `git.exe` in the
end. Which means that the bin-wrappers *need* to target the `.exe` files
lest they try to execute directories.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adjust the dir-iterator API and apply it to the local clone
optimization codepath.
* mt/dir-iterator-updates:
clone: replace strcmp by fspathcmp
clone: use dir-iterator to avoid explicit dir traversal
clone: extract function from copy_or_link_directory
clone: copy hidden paths at local clone
dir-iterator: add flags parameter to dir_iterator_begin
dir-iterator: refactor state machine model
dir-iterator: use warning_errno when possible
dir-iterator: add tests for dir-iterator API
clone: better handle symlinked files at .git/objects/
clone: test for our behavior on odd objects/* content
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Many GIT_TEST_* environment variables control various aspects of
how our tests are run, but a few followed "non-empty is true, empty
or unset is false" while others followed the usual "there are a few
ways to spell true, like yes, on, etc., and also ways to spell
false, like no, off, etc." convention.
* ab/test-env:
env--helper: mark a file-local symbol as static
tests: make GIT_TEST_FAIL_PREREQS a boolean
tests: replace test_tristate with "git env--helper"
tests README: re-flow a previously changed paragraph
tests: make GIT_TEST_GETTEXT_POISON a boolean
t6040 test: stop using global "script" variable
config.c: refactor die_bad_number() to not call gettext() early
env--helper: new undocumented builtin wrapping git_env_*()
config tests: simplify include cycle test
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Extend the test coverage a bit.
* cc/test-oidmap:
t0016: add 'remove' subcommand test
test-oidmap: remove 'add' subcommand
test-hashmap: remove 'hash' command
oidmap: use sha1hash() instead of static hash() function
t: add t0016-oidmap.sh
t/helper: add test-oidmap.c
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Create t/helper/test-dir-iterator.c, which prints relevant information
about a directory tree iterated over with dir-iterator.
Create t/t0066-dir-iterator.sh, which tests that dir-iterator does
iterate through a whole directory tree as expected.
Signed-off-by: Daniel Ferreira <bnmvco@gmail.com>
[matheus.bernardino: update to use test-tool and some minor aesthetics]
Helped-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Support to build with MSVC has been updated.
* jh/msvc:
msvc: ignore .dll and incremental compile output
msvc: avoid debug assertion windows in Debug Mode
msvc: do not pretend to support all signals
msvc: add pragmas for common warnings
msvc: add a compile-time flag to allow detailed heap debugging
msvc: support building Git using MS Visual C++
msvc: update Makefile to allow for spaces in the compiler path
msvc: fix detect_msys_tty()
msvc: define ftello()
msvc: do not re-declare the timespec struct
msvc: mark a variable as non-const
msvc: define O_ACCMODE
msvc: include sigset_t definition
msvc: fix dependencies of compat/msvc.c
mingw: replace mingw_startup() hack
obstack: fix compiler warning
cache-tree/blame: avoid reusing the DEBUG constant
t0001 (mingw): do not expect a specific order of stdout/stderr
Mark .bat files as requiring CR/LF endings
mingw: fix a typo in the msysGit-specific section
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Two new commands "git switch" and "git restore" are introduced to
split "checking out a branch to work on advancing its history" and
"checking out paths out of the index and/or a tree-ish to work on
advancing the current history" out of the single "git checkout"
command.
* nd/switch-and-restore: (46 commits)
completion: disable dwim on "git switch -d"
switch: allow to switch in the middle of bisect
t2027: use test_must_be_empty
Declare both git-switch and git-restore experimental
help: move git-diff and git-reset to different groups
doc: promote "git restore"
user-manual.txt: prefer 'merge --abort' over 'reset --hard'
completion: support restore
t: add tests for restore
restore: support --patch
restore: replace --force with --ignore-unmerged
restore: default to --source=HEAD when only --staged is specified
restore: reject invalid combinations with --staged
restore: add --worktree and --staged
checkout: factor out worktree checkout code
restore: disable overlay mode by default
restore: make pathspec mandatory
restore: take tree-ish from --source option instead
checkout: split part of it to new command 'restore'
doc: promote "git switch"
...
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As fetch_objects() is now used only in promisor-remote.c
and should't be used outside it, let's move it into
promisor-remote.c, make it static there, and remove
fetch-object.{c,h}.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The promisor-remote.{c,h} files will contain functions to
manage many promisor remotes.
We expect that there will not be a lot of promisor remotes,
so it is ok to use a simple linked list to manage them.
Helped-by: Jeff King <peff@peff.net>
Helped-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With this patch, Git can be built using the Microsoft toolchain, via:
make MSVC=1 [DEBUG=1]
Third party libraries are built from source using the open source
"vcpkg" tool set. See https://github.com/Microsoft/vcpkg
On a first build, the vcpkg tools and the third party libraries are
automatically downloaded and built. DLLs for the third party libraries
are copied to the top-level (and t/helper) directory to facilitate
debugging. See compat/vcbuild/README.
A series of .bat files are invoked by the Makefile to find the location
of the installed version of Visual Studio and the associated compiler
tools (essentially replicating the environment setup performed by a
"Developer Command Prompt"). This should find the most recent VS2015 or
VS2017 installation. Output from these scripts are used by the Makefile
to define compiler and linker pathnames and -I and -L arguments.
The build produces .pdb files for both debug and release builds.
Note: This commit was squashed from an organic series of commits
developed between 2016 and 2018 in Git for Windows' `master` branch.
This combined commit eliminates the obsolete commits related to fetching
NuGet packages for third party libraries. It is difficult to use NuGet
packages for C/C++ sources because they may be built by earlier versions
of the MSVC compiler and have CRT version and linking issues.
Additionally, the C/C++ NuGet packages that we were using tended to not
be updated concurrently with the sources. And in the case of cURL and
OpenSSL, this could expose us to security issues.
Helped-by: Yue Lin Ho <b8732003@student.nsysu.edu.tw>
Helped-by: Philip Oakley <philipoakley@iee.org>
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have many GIT_TEST_* variables that accept a <boolean> because
they're implemented in C, and then some that take <non-empty?> because
they're implemented at least partially in shellscript.
Add a helper that wraps git_env_bool() and git_env_ulong() as the
first step in fixing this. This isn't being added as a test-tool mode
because some of these are used outside the test suite.
Part of what this tool does can be done via a trick with "git config"
added in 83d842dc8c ("tests: turn on network daemon tests by default",
2014-02-10) for test_tristate(), i.e.:
git -c magic.variable="$1" config --bool magic.variable 2>/dev/null
But as subsequent changes will show being able to pass along the
default value makes all the difference, and we'll be able to replace
test_tristate() itself with that.
The --type=bool option will be used by subsequent patches, but not
--type=ulong. I figured it was easy enough to add it & test for it so
I left it in so we'd have wrappers for both git_env_*() functions, and
to have a template to make it obvious how we'd add --type=int etc. if
it's needed in the future.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is quite common that MS Visual C++ is installed into a location whose
path contains spaces, therefore we need to quote it.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This new helper is very similar to "test-hashmap.c" and will help
test how `struct oidmap` from oidmap.{c,h} can be used.
Helped-by: SZEDER Gábor <szeder.dev@gmail.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The way of specifying the path to find dynamic libraries at runtime
has been simplified. The old default to pass -R/path/to/dir has been
replaced with the new default to pass -Wl,-rpath,/path/to/dir,
which is the more recent GCC uses. Those who need to build with an
old GCC can still use "CC_LD_DYNPATH=-R"
* ab/deprecate-R-for-dynpath:
Makefile: remove the NO_R_TO_GCC_LINKER flag
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Update supporting parts of "git rebase" to remove code that should
no longer be used.
* js/rebase-cleanup:
rebase: fold git-rebase--common into the -p backend
sequencer: the `am` and `rebase--interactive` scripts are gone
.gitignore: there is no longer a built-in `git-rebase--interactive`
t3400: stop referring to the scripted rebase
Drop unused git-rebase--am.sh
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Optionally "make coccicheck" can feed multiple source files to
spatch, gaining performance while spending more memory.
* jk/cocci-batch:
coccicheck: make batch size of 0 mean "unlimited"
coccicheck: optionally batch spatch invocations
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Change our default CC_LD_DYNPATH invocation to something GCC likes
these days. Since the GCC 4.6 release unknown flags haven't been
passed through to ld(1). Thus our previous default of CC_LD_DYNPATH=-R
would cause an error on modern GCC unless NO_R_TO_GCC_LINKER was set.
This CC_LD_DYNPATH flag is really obscure, and I don't expect anyone
except those working on git development ever use this.
It's not needed to simply link to libraries like say libpcre,
but *only* for those cases where we're linking to such a library not
present in the OS's library directories. See e.g. ldconfig(8) on Linux
for more details.
I use this to compile my git with a LIBPCREDIR=$HOME/g/pcre2/inst as
I'm building that from source, but someone maintaining an OS package
is almost certainly not going to use this. They're just going to set
USE_LIBPCRE=YesPlease after installing the libpcre dependency,
which'll point to OS libraries which ld(1) will find without the help
of CC_LD_DYNPATH.
Another thing that helps mitigate any potential breakage is that we
detect the right type of invocation in configure.ac, which e.g. HP/UX
uses[1], as does IBM's AIX package[2]. From what I can tell both AIX
and Solaris packagers are building git with GCC, so I'm not adding a
corresponding config.mak.uname default to cater to their OS-native
linkers.
Now for an overview of past development in this area:
Our use of "-R" dates back to 455a7f3275 ("More portability.",
2005-09-30). Soon after that in bbfc63dd78 ("gcc does not necessarily
pass runtime libpath with -R", 2006-12-27) the NO_R_TO_GCC flag was
added, allowing optional use of "-Wl,-rpath=".
Then in f5b904db6b ("Makefile: Allow CC_LD_DYNPATH to be overriden",
2008-08-16) the ability to override this flag to something else
entirely was added, as some linkers use neither "-Wl,-rpath," nor
"-R".
From what I can tell we should, with the benefit of hindsight, have
made this change back in 2006. GCC & ld supported this type of
invocation back then, or since at least binutils-gdb.git's[3]
a1ad915dc4 ("[...]Add support for -rpath[...]", 1994-07-20).
Further reading and prior art can be found at [4][5][6][7]. Making a
plain "-R" an error seems from reading those reports to have been
introduced in GCC 4.6 released on March 25, 2011[8], but I couldn't
confirm this with absolute certainty, its release notes are ambiguous
on the subject, and I couldn't be bothered to try to build & bisect it
against GCC 4.5.
1. https://public-inbox.org/git/20190516093412.14795-1-avarab@gmail.com/
2. https://www.ibm.com/developerworks/aix/library/aix-toolbox/alpha.html
3. git://sourceware.org/git/binutils-gdb.git
4. https://github.com/tsuna/boost.m4/issues/15
5. https://bugzilla.gnome.org/show_bug.cgi?id=641416
6. https://stackoverflow.com/questions/12629042/g-4-6-real-error-unrecognized-option-r
7. https://curl.haxx.se/mail/archive-2014-11/0005.html
8. https://gcc.gnu.org/gcc-4.6/changes.html
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The only remaining scripted part of `git rebase` is the
`--preserve-merges` backend. Meaning: there is little reason to keep the
"library of common rebase functions" as a separate file.
While moving the functions to `git-rebase--preserve-merges.sh`, we also
drop the `move_to_original_branch` function that is no longer used.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 21853626ea (built-in rebase: call `git am` directly, 2019-01-18),
the built-in rebase already uses the built-in `git am` directly.
Now that d03ebd411c (rebase: remove the rebase.useBuiltin setting,
2019-03-18) even removed the scripted rebase, there is no longer any
user of `git-rebase--am.sh`, so let's just remove it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Workaround for standard-compliant but less-than-useful behaviour of
access(2) for the root user.
* cc/access-on-aix-workaround:
git-compat-util: work around for access(X_OK) under root
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The internal implementation of "git rebase -i" has been updated to
avoid forking a separate "rebase--interactive" process.
* pw/rebase-i-internal:
rebase -i: run without forking rebase--interactive
rebase: use a common action enum
rebase -i: use struct rebase_options in do_interactive_rebase()
rebase -i: use struct rebase_options to parse args
rebase -i: use struct object_id for squash_onto
rebase -i: use struct commit when parsing options
rebase -i: remove duplication
rebase -i: combine rebase--interactive.c with rebase.c
rebase: use OPT_RERERE_AUTOUPDATE()
rebase: rename write_basic_state()
rebase: don't translate trace strings
sequencer: always discard index after checkout
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A "ls-files" that emulates "find" to enumerate files in the working
tree resulted in duplicated Makefile rules that caused the build to
issue an unnecessary warning during a trial build after merge
conflicts are resolved in working tree *.h files but before the
resolved results are added to the index. This has been corrected.
* jc/make-dedup-ls-files-output:
Makefile: dedup list of files obtained from ls-files
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Polishing of the new trace2 facility continues. The system-level
configuration can specify site-wide trace2 settings, which can be
overridden with per-user configuration and environment variables.
* jh/trace2-sid-fix:
trace2: fixup access problem on /etc/gitconfig in read_very_early_config
trace2: update docs to describe system/global config settings
trace2: make SIDs more unique
trace2: clarify UTC datetime formatting
trace2: report peak memory usage of the process
trace2: use system/global config for default trace2 settings
config: add read_very_early_config()
trace2: find exec-dir before trace2 initialization
trace2: add absolute elapsed time to start event
trace2: refactor setting process starting time
config: initialize opts structure in repo_read_config()
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"make check-docs", "git help -a", etc. did not account for cases
where a particular build may deliberately omit some subcommands,
which has been corrected.
* js/misc-doc-fixes:
Turn `git serve` into a test helper
test-tool: handle the `-C <directory>` option just like `git`
check-docs: do not bother checking for legacy scripts' documentation
docs: exclude documentation for commands that have been excluded
check-docs: allow command-list.txt to contain excluded commands
help -a: do not list commands that are excluded from the build
Makefile: drop the NO_INSTALL variable
remote-testgit: move it into the support directory for t5801
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If you have the memory to handle it, the ideal case is to run a single
spatch invocation with all of the source files. But the only way to do
so now is to pick an arbitrarily large batch size. Let's make "0" do
this, which is a little friendlier (and doesn't otherwise have a useful
meaning).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously the switching branch business of 'git checkout' becomes a
new command 'switch'. This adds the restore command for the checking
out paths path.
Similar to git-switch, a new man page is added to describe what the
command will become. The implementation will be updated shortly to
match the man page.
A couple main differences from 'git checkout <paths>':
- 'restore' by default will only update worktree. This matters more
when --source is specified ('checkout <tree> <paths>' updates both
worktree and index).
- 'restore --staged' can be used to restore the index. This command
overlaps with 'git reset <paths>'.
- both worktree and index could also be restored at the same time
(from a tree) when both --staged and --worktree are specified. This
overlaps with 'git checkout <tree> <paths>'
- default source for restoring worktree and index is the index and
HEAD respectively. A different (tree) source could be specified as
with --source (*).
- when both index and worktree are restored, --source must be
specified since the default source for these two individual targets
are different (**)
- --no-overlay is enabled by default, if an entry is missing in the
source, restoring means deleting the entry
(*) I originally went with --from instead of --source. I still think
--from is a better name. The short option -f however is already
taken by force. And I do think short option is good to have, e.g. to
write -s@ or -s@^ instead of --source=HEAD.
(**) If you sit down and think about it, moving worktree's source from
the index to HEAD makes sense, but nobody is really thinking it
through when they type the commands.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In our "make coccicheck" rule, we currently feed each source file to its
own individual invocation of spatch. This has a few downsides:
- it repeats any overhead spatch has for starting up and reading the
patch file
- any included header files may get processed from multiple
invocations. This is slow (we see the same header files multiple
times) and may produce a resulting patch with repeated hunks (which
cannot be applied without further cleanup)
Ideally we'd just invoke a single instance of spatch per rule-file and
feed it all source files. But spatch can be rather memory hungry when
run in this way. I measured the peak RSS going from ~90MB for a single
file to ~1900MB for all files. Multiplied by multiple rule files being
processed at the same time (for "make -j"), this can make things slower
or even cause them to fail (e.g., this is reported to happen on our
Travis builds).
Instead, let's provide a tunable knob. We'll leave the default at "1",
but it can be cranked up to "999" for maximum CPU/memory tradeoff, or
people can find points in between that serve their particular machines.
Here are a few numbers running a single rule via:
SIZES='1 4 16 999'
RULE=contrib/coccinelle/object_id.cocci
for i in $SIZES; do
make clean
/usr/bin/time -o $i.out --format='%e | %U | %S | %M' \
make $RULE.patch SPATCH_BATCH_SIZE=$i
done
for i in $SIZES; do
printf '%4d | %s\n' $i "$(cat $i.out)"
done
which yields:
1 | 97.73 | 93.38 | 4.33 | 100128
4 | 52.80 | 51.14 | 1.69 | 135204
16 | 35.82 | 35.09 | 0.76 | 284124
999 | 23.30 | 23.13 | 0.20 | 1903852
The implementation is done with xargs, which should be widely available;
it's in POSIX, we rely on it already in the test suite. And "coccicheck"
is really a developer-only tool anyway, so it's not a big deal if
obscure systems can't run it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On AIX, access(X_OK) may succeed when run as root even if the
execution isn't possible. This behavior is allowed by POSIX
which says:
... for a process with appropriate privileges, an implementation
may indicate success for X_OK even if execute permission is not
granted to any user.
It can lead hook programs to have their execution refused:
git commit -m content
fatal: cannot exec '.git/hooks/pre-commit': Permission denied
Add NEED_ACCESS_ROOT_HANDLER in order to use an access helper function.
It checks with stat if any executable flags is set when the current user
is root.
Signed-off-by: Clément Chigot <clement.chigot@atos.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 33533975 ("Makefile: ask "ls-files" to list source files if
available", 2011-10-18), we optionally asked "ls-files" to list the
source files that ought to exist, as a faster approximation for
"find" on working tree files.
This works reasonably well, except that it ends up listing the same
path multiple times if the index is unmerged. Because the original
use of this construct was to name files to run etags over, and the
etags command happily takes the same filename multiple times without
causing any harm, there was no problem (other than perhaps spending
slightly more cycles, but who cares how fast the TAGS file gets
updated).
We however recently added a similar call to "ls-files" to list *.h
files, instead of using "find", in 92b88eba ("Makefile: use `git
ls-files` to list header files, if possible", 2019-03-04). In this
new use of "ls-files", the resulting list $(LIB_H) is used for,
among other things, generating the header files to run hdr-check
target, and the duplicate unfortunately becomes a true problem. It
causes $(MAKE) to notice that there are multiple %.hco targets and
complain.
Let the resulting list consumed by $(sort), which deduplicates,
to fix this.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Dev support update.
* js/check-docs-exe:
check-docs: fix for setups where executables have an extension
check-docs: do not expect guide pages to correspond to commands
check-docs: really look at the documented commands again
docs: do not document the `git remote-testgit` command
docs: move gitremote-helpers into section 7
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"git stash" rewritten in C.
* ps/stash-in-c: (28 commits)
tests: add a special setup where stash.useBuiltin is off
stash: optionally use the scripted version again
stash: add back the original, scripted `git stash`
stash: convert `stash--helper.c` into `stash.c`
stash: replace all `write-tree` child processes with API calls
stash: optimize `get_untracked_files()` and `check_changes()`
stash: convert save to builtin
stash: make push -q quiet
stash: convert push to builtin
stash: convert create to builtin
stash: convert store to builtin
stash: convert show to builtin
stash: convert list to builtin
stash: convert pop to builtin
stash: convert branch to builtin
stash: convert drop and clear to builtin
stash: convert apply to builtin
stash: mention options in `show` synopsis
stash: add tests for `git stash show` config
stash: rename test cases to be more descriptive
...
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In order to run `rebase -i` without forking `rebase--interactive` it
will be convenient to have all the code from rebase--interactive.c in
rebase.c. This is a straight forward copy of the code from
rebase--interactive.c, it will be simplified slightly in the next
commit.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `git serve` built-in was introduced in ed10cb952d31 (serve:
introduce git-serve, 2018-03-15) as a backend to serve Git protocol v2,
probably originally intended to be spawned by `git upload-pack`.
However, in the version that the protocol v2 patches made it into core
Git, `git upload-pack` calls the `serve()` function directly instead of
spawning `git serve`; The only reason in life for `git serve` to survive
as a built-in command is to provide a way to test the protocol v2
functionality.
Meaning that it does not even have to be a built-in that is installed
with end-user facing Git installations, but it can be a test helper
instead.
Let's make it so.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the recent years, there has been a big push to convert more and more
of Git's commands that are implemented as scripts to built-ins written
in pure, portable C, for robustness, speed and portability.
One strategy that served us well is to convert those scripts
incrementally, starting by renaming the scripts to
`git-legacy-<command>`, then introducing a built-in that does nothing
else at first than checking the config setting `<command>.useBuiltin`
(which defaults to `false` at the outset) and handing off to the legacy
script if so asked.
Obviously, those `git-legacy-<command>` commands share the documentation
with the built-in `git-<command>`, and are not intended to be called
directly anyway. So let's not try to ensure that they are documented
separately from their built-in versions.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When building with certain build options, some commands are excluded
from the build. For example, `git-credential-cache` is skipped when
building with `NO_UNIX_SOCKETS`.
Let's not build or package documentation for those excluded commands.
This issue was pointed out rightfully when running `make check-docs` on
Windows, where we do not yet have Unix sockets, and therefore the
`credential-cache` command is excluded (yet its documentation was built
and shipped).
Note: building the documentation via `make -C Documentation` leaves the
build system with no way to determine which commands have been
excluded. If called thusly, we gracefully fail to exclude their
documentation. Only when building the documentation via the top-level
Makefile will it get excluded properly, or after building
`Documentation/GIT-EXCLUDED-PROGRAMS` manually.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Johannes Schindelin
Denton Liu
SZEDER Gábor
Derrick Stolee
Daniel Ferreira
Christian Couder
Jeff Hostetler
Ævar Arnfjörð Bjarmason
Jeff King
Nguyễn Thái Ngọc Duy
Clément Chigot
Phillip Wood