| Age | Commit message (Collapse) | Author | Files | Lines |
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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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Update the location of system-side configuration file on Windows.
* js/gfw-system-config-loc-fix:
config: normalize the path of the system gitconfig
cmake(windows): set correct path to the system Git config
mingw: move Git for Windows' system config where users expect it
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CMake update.
* mr/cmake:
cmake: add warning for ignored MSGFMT_EXE
cmake: create compile_commands.json by default
cmake: add knob to disable vcpkg
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Currently, when Git for Windows is built with CMake, the system Git config is
expected in a different location than when building via `make`: the former
expects it to be in `<runtime-prefix>/mingw64/etc/gitconfig`, the latter in
`<runtime-prefix>/etc/gitconfig`.
Because of this, things like `git clone` do not work correctly (because cURL is
no longer able to find its certificate bundle that it needs to validate HTTPS
certificates). See the full bug report and discussion here:
https://github.com/git-for-windows/git/issues/3071#issuecomment-789261386.
This commit aligns the CMake-based build by mimicking what is already done in
`config.mak.uname`.
This closes https://github.com/git-for-windows/git/issues/3071.
Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It does not make sense to attempt to set MSGFMT_EXE when NO_GETTEXT is
configured, as such add a check for NO_GETTEXT before attempting to set
it.
Suggested-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Matthew Rogers <mattr94@gmail.com>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some users have expressed interest in a more "batteries included" way of
building via CMake[1], and a big part of that is providing easier access
to tooling external tools.
A straightforward way to accomplish this is to make it as simple as
possible is to enable the generation of the compile_commands.json file,
which is supported by many tools such as: clang-tidy, clang-format,
sourcetrail, etc.
This does come with a small run-time overhead during the configuration
step (~6 seconds on my machine):
Time to configure with CMAKE_EXPORT_COMPILE_COMMANDS=TRUE
real 1m9.840s
user 0m0.031s
sys 0m0.031s
Time to configure with CMAKE_EXPORT_COMPILE_COMMANDS=FALSE
real 1m3.195s
user 0m0.015s
sys 0m0.015s
This seems like a small enough price to pay to make the project more
accessible to newer users. Additionally there are other large projects
like llvm [2] which has had this enabled by default for >6 years at the
time of this writing, and no real negative consequences that I can find
with my search-skills.
NOTE: That the compile_commands.json is currently produced only when
using the Ninja and Makefile generators. See The CMake documentation[3]
for more info.
1: https://lore.kernel.org/git/CAOjrSZusMSvs7AS-ZDsV8aQUgsF2ZA754vSDjgFKMRgi_oZAWw@mail.gmail.com/
2: https://github.com/llvm/llvm-project/commit/2c5712051b31b316a9fc972f692579bd8efa6e67
3: https://cmake.org/cmake/help/latest/variable/CMAKE_EXPORT_COMPILE_COMMANDS.html
Signed-off-by: Matthew Rogers <mattr94@gmail.com>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When building on windows users have the option to use vcpkg to provide
the dependencies needed to compile. Previously, this was used only when
using the Visual Studio generator which was not ideal because:
- Not all users who want to use vcpkg use the Visual Studio
generators.
- Some versions of Visual Studio 2019 moved away from using the
VS 2019 generator by default, making it impossible for Visual
Studio to configure the project in the likely event that it couldn't
find the dependencies.
- Inexperienced users of CMake are very likely to get tripped up by
the errors caused by a lack of vcpkg, making the above bullet point
both annoying and hard to debug.
As such, let's make using vcpkg the default on windows. Users who want
to avoid using vcpkg can disable it by passing -DNO_VCPKG=TRUE.
Signed-off-by: Matthew Rogers <mattr94@gmail.com>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "simple-ipc" did not compile without pthreads support, but the
build procedure was not properly account for it.
* jh/simple-ipc-sans-pthread:
simple-ipc: correct ifdefs when NO_PTHREADS is defined
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Simple IPC always requires threads (in addition to various
platform-specific IPC support). Fix the ifdefs in the Makefile
to define SUPPORTS_SIMPLE_IPC when appropriate.
Previously, the Unix version of the code would only verify that
Unix domain sockets were available.
This problem was reported here:
https://lore.kernel.org/git/YKN5lXs4AoK%2FJFTO@coredump.intra.peff.net/T/#m08be8f1942ea8a2c36cfee0e51cdf06489fdeafc
Reported-by: Randall S. Becker <rsbecker@nexbridge.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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CMake update for vsbuild.
* js/cmake-vsbuild:
cmake(install): include vcpkg dlls
cmake: add a preparatory work-around to accommodate `vcpkg`
cmake(install): fix double .exe suffixes
cmake: support SKIP_DASHED_BUILT_INS
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A simple IPC interface gets introduced to build services like
fsmonitor on top.
* jh/simple-ipc:
t0052: add simple-ipc tests and t/helper/test-simple-ipc tool
simple-ipc: add Unix domain socket implementation
unix-stream-server: create unix domain socket under lock
unix-socket: disallow chdir() when creating unix domain sockets
unix-socket: add backlog size option to unix_stream_listen()
unix-socket: eliminate static unix_stream_socket() helper function
simple-ipc: add win32 implementation
simple-ipc: design documentation for new IPC mechanism
pkt-line: add options argument to read_packetized_to_strbuf()
pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option
pkt-line: do not issue flush packets in write_packetized_*()
pkt-line: eliminate the need for static buffer in packet_write_gently()
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Our CMake configuration generates not only build definitions, but also
install definitions: After building Git using `msbuild git.sln`, the
built artifacts can be installed via `msbuild INSTALL.vcxproj`.
To specify _where_ the files should be installed, the
`-DCMAKE_INSTALL_PREFIX=<path>` option can be used when running CMake.
However, this process would really only install the files that were just
built. On Windows, we need more than that: We also need the `.dll` files
of the dependencies (such as libcurl). The `vcpkg` ecosystem, which we
use to obtain those dependencies, can be asked to install said `.dll`
files really easily, so let's do that.
This requires more than just the built `vcpkg` artifacts in the CI build
definition; We now clone the `vcpkg` repository so that the relevant
CMake scripts are available, in particular the ones related to defining
the toolchain.
Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We are about to add support for installing the `.dll` files of Git's
dependencies (such as libcurl) in the CMake configuration. The `vcpkg`
ecosystem from which we get said dependencies makes that relatively
easy: simply turn on `X_VCPKG_APPLOCAL_DEPS_INSTALL`.
However, current `vcpkg` introduces a limitation if one does that:
While it is totally cool with CMake to specify multiple targets within
one invocation of `install(TARGETS ...) (at least according to
https://cmake.org/cmake/help/latest/command/install.html#command:install),
`vcpkg`'s parser insists on a single target per `install(TARGETS ...)`
invocation.
Well, that's easily accomplished: Let's feed the targets individually to
the `install(TARGETS ...)` function in a `foreach()` look.
This also has the advantage that we do not have to manually cull off the
two entries from the `${PROGRAMS_BUILT}` array before scheduling the
remainder to be installed into `libexec/git-core`. Instead, we iterate
through the array and decide for each entry where it wants to go.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By mistake, the `.exe` extension is appended _twice_ when installing the
dashed executables into `libexec/git-core/` on Windows (the extension is
already appended when adding items to the `git_links` list in the
`#Creating hardlinks` section).
Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Just like the Makefile-based build learned to skip hard-linking the
dashed built-ins in 179227d6e21 (Optionally skip linking/copying the
built-ins, 2020-09-21), this patch teaches the CMake-based build the
same trick.
Note: In contrast to the Makefile-based process, the built-ins would
only be linked during installation, not already when Git is built.
Therefore, the CMake-based build that we use in our CI builds _already_
does not link those built-ins (because the files are not installed
anywhere, they are used to run the test suite in-place).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create Unix domain socket based implementation of "simple-ipc".
A set of `ipc_client` routines implement a client library to connect
to an `ipc_server` over a Unix domain socket, send a simple request,
and receive a single response. Clients use blocking IO on the socket.
A set of `ipc_server` routines implement a thread pool to listen for
and concurrently service client connections.
The server creates a new Unix domain socket at a known location. If a
socket already exists with that name, the server tries to determine if
another server is already listening on the socket or if the socket is
dead. If socket is busy, the server exits with an error rather than
stealing the socket. If the socket is dead, the server creates a new
one and starts up.
If while running, the server detects that its socket has been stolen
by another server, it automatically exits.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create a wrapper class for `unix_stream_listen()` that uses a ".lock"
lockfile to create the unix domain socket in a race-free manner.
Unix domain sockets have a fundamental problem on Unix systems because
they persist in the filesystem until they are deleted. This is
independent of whether a server is actually listening for connections.
Well-behaved servers are expected to delete the socket when they
shutdown. A new server cannot easily tell if a found socket is
attached to an active server or is leftover cruft from a dead server.
The traditional solution used by `unix_stream_listen()` is to force
delete the socket pathname and then create a new socket. This solves
the latter (cruft) problem, but in the case of the former, it orphans
the existing server (by stealing the pathname associated with the
socket it is listening on).
We cannot directly use a .lock lockfile to create the socket because
the socket is created by `bind(2)` rather than the `open(2)` mechanism
used by `tempfile.c`.
As an alternative, we hold a plain lockfile ("<path>.lock") as a
mutual exclusion device. Under the lock, we test if an existing
socket ("<path>") is has an active server. If not, we create a new
socket and begin listening. Then we use "rollback" to delete the
lockfile in all cases.
This wrapper code conceptually exists at a higher-level than the core
unix_stream_connect() and unix_stream_listen() routines that it
consumes. It is isolated in a wrapper class for clarity.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Create Windows implementation of "simple-ipc" using named pipes.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove support for using version 1 of the PCRE library. Its use has
been discouraged by upstream for a long time, and it's in a
bugfix-only state.
Anyone who was relying on v1 in particular got a nudge to move to v2
in e6c531b808 (Makefile: make USE_LIBPCRE=YesPlease mean v2, not v1,
2018-03-11), which was first released as part of v2.18.0.
With this the LIBPCRE2 test prerequisites is redundant to PCRE. But
I'm keeping it for self-documentation purposes, and to avoid conflict
with other in-flight PCRE patches.
I'm also not changing all of our own "pcre2" names to "pcre", i.e. the
inverse of 6d4b5747f0 (grep: change internal *pcre* variable &
function names to be *pcre1*, 2017-05-25). I don't see the point, and
it makes the history/blame harder to read. Maybe if there's ever a
PCRE v3...
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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VSbuild fix.
* js/cmake-extra-built-ins-fix:
cmake: determine list of extra built-ins dynamically
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In 0a21d0e08902 (Makefile: mark git-maintenance as a builtin,
2020-12-01), we marked git-maintenance as a builtin in the Makefile, but
forgot to do the same in `CMakeLists.txt`.
Rather than always play catch-up and adjust `git_builtin_extra`
manually, use the `BUILT_INS` definitions in the Makefile as
authoritative source and generate `git_builtin_extra` dynamically.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Something changed in `vcpkg` (which we use in our Visual C++ build to
provide the dependencies such as libcurl) and our `vs-build` job started
failing in CI. The reason is that we had a work-around in place to help
CMake find iconv, and this work-around is neither needed nor does it
work anymore.
For the full discussion with the vcpkg project, see this comment:
https://github.com/microsoft/vcpkg/issues/14780#issuecomment-735368280
Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is a lot more convenient to use than having to specify the
configuration in CMake manually (does not matter whether using the
command-line or CMake's GUI).
While at it, recommend using `contrib/buildsystems/out/` as build
directory also in the part that talks about running CMake manually.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The idea of having CMake support in Git's source tree is to enable
contributors on Windows to start contributing with little effort. To
that end, we just added some sensible defaults that will let users open
the worktree in Visual Studio and start building.
This expects the dependencies (such as zlib) to be available already,
though. If they are not available, we expect the user to run
`compat/vcbuild/vcpkg_install.bat`.
Rather than requiring this step to be manual, detect the situation and
run it as part of the CMake configuration step.
Note that this obviously only applies to the scenario when we want to
compile in Visual Studio (i.e. with MS Visual C), not with GCC.
Therefore, we guard this new code block behind the `MSVC` conditional.
This concludes our journey to make it as effortless as possible to start
developing Git in Visual Studio: all the developer needs to do is to
clone Git's repository, open the worktree via `File>Open>Folder...` and
wait for CMake to finish configuring.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have some custom handling regarding the link options, which are
specific to each compiler.
Therefore: let's not just continue without setting the link options if
configuring for a currently unhandled compiler, but error out.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Contrary to Unix-ish platforms, the dependencies' shared libraries are
not usually found in one central place. In our case, since we use
`vcpkg`, they are to be found inside the `compat/vcbuild/vcpkg/` tree.
Let's make sure that they are in the search path when running the tests.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By default, the build directory will be called something like
`contrib/buildsystems/out/build/x64-Debug (default)` (note the space and
the parentheses). We need to make sure that such a path is quoted
properly when editing the assignment of the `GIT_BUILD_DIR` variable.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We are already relying on `vcpkg` to manage our dependencies, including
`libiconv`. Let's also use the `msgfmt.exe` from there.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows, we use the `vcpkg` project to manage the dependencies, via
`compat/vcbuild/`. Let's make sure that these dependencies are found by
default.
This is needed because we are about to recommend loading the Git
worktree as a folder into Visual Studio, relying on the automatic CMake
support (which would make it relatively cumbersome to adjust the search
path used by CMake manually).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By default, Git for Windows does not install its `sh.exe` into the
`PATH`. However, our current `CMakeLists.txt` expects to find a shell
interpreter in the `PATH`.
So let's fall back to looking in the default location where Git for
Windows _does_ install a relatively convenient `sh.exe`:
`C:\Program Files\Git\bin\sh.exe`
Helped-by: Øystein Walle <oystwa@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix build procedure for MSVC.
* os/vcbuild:
contrib/buildsystems: fix expat library name for generated vcxproj
vcbuild: fix batch file name in README
vcbuild: fix library name for expat with make MSVC=1
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expat.lib -> libexpat.lib (libexpatd.lib for debug build).
Signed-off-by: Orgad Shaneh <orgads@gmail.com>
Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code in vcs-svn was started in 2010 as an attempt to build a
remote-helper for interacting with svn repositories (as opposed to
git-svn). However, we never got as far as shipping a mature remote
helper, and the last substantive commit was e99d012a6bc in 2012.
We do have a git-remote-testsvn, and it is even installed as part of
"make install". But given the name, it seems unlikely to be used by
anybody (you'd have to explicitly "git clone testsvn::$url", and there
have been zero mentions of that on the mailing list since 2013, and even
that includes the phrase "you might need to hack a bit to get it working
properly"[1]).
We also ship contrib/svn-fe, which builds on the vcs-svn work. However,
it does not seem to build out of the box for me, as the link step misses
some required libraries for using libgit.a. Curiously, the original
build breakage bisects for me to eff80a9fd9 (Allow custom "comment
char", 2013-01-16), which seems unrelated. There was an attempt to fix
it in da011cb0e7 (contrib/svn-fe: fix Makefile, 2014-08-28), but on my
system that only switches the error message.
So it seems like the result is not really usable by anybody in practice.
It would be wonderful if somebody wanted to pick up the topic again, and
potentially it's worth carrying around for that reason. But the flip
side is that people doing tree-wide operations have to deal with this
code. And you can see the list with (replace "HEAD" with this commit as
appropriate):
{
echo "--"
git diff-tree --diff-filter=D -r --name-only HEAD^ HEAD
} |
git log --no-merges --oneline e99d012a6bc.. --stdin
which shows 58 times somebody had to deal with the code, generally due
to a compile or test failure, or a tree-wide style fix or API change.
Let's drop it and let anybody who wants to pick it up do so by
resurrecting it from the git history.
As a bonus, this also reduces the size of a stripped installation of Git
from 21MB to 19MB.
[1] https://lore.kernel.org/git/CALkWK0mPHzKfzFKKpZkfAus3YVC9NFYDbFnt+5JQYVKipk3bQQ@mail.gmail.com/
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's no reason that git-fast-import benefits from being a separate
binary. And as it links against libgit.a, it has a non-trivial disk
footprint. Let's make it a builtin, which reduces the size of a stripped
installation from 22MB to 21MB.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's no reason that bugreport has to be a separate binary. And since
it links against libgit.a, it has a rather large disk footprint. Let's
make it a builtin, which reduces the size of a stripped installation
from 24MB to 22MB.
This also simplifies our Makefile a bit. And we can take advantage of
builtin niceties like RUN_SETUP_GENTLY.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's no real reason for credential helpers to be separate binaries. I
did them this way originally under the notion that helper don't _need_
to be part of Git, and so can be built totally separately (and indeed,
the ones in contrib/credential are). But the ones in our main Makefile
build on libgit.a, and the resulting binaries are reasonably large.
We can slim down our total disk footprint by just making them builtins.
This reduces the size of:
make strip install
from 29MB to 24MB on my Debian system.
Note that credential-cache can't operate without support for Unix
sockets. Currently we just don't build it at all when NO_UNIX_SOCKETS is
set. We could continue that with conditionals in the Makefile and our
list of builtins. But instead, let's build a dummy implementation that
dies with an informative message. That has two advantages:
- it's simpler, because the conditional bits are all kept inside
the credential-cache source
- a user who is expecting it to exist will be told _why_ they can't
use it, rather than getting the "credential-cache is not a git
command" error which makes it look like the Git install is broken.
Note that our dummy implementation does still respond to "-h" in order
to appease t0012 (and this may be a little friendlier for users, as
well).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch adds support for Visual Studio and Clang builds
The minimum required version of CMake is upgraded to 3.15 because
this version offers proper support for Clang builds on Windows.
Libintl is not searched for when building with Visual Studio or Clang
because there is no binary compatible version available yet.
NOTE: In the link options invalidcontinue.obj has to be included.
The reason for this is because by default, Windows calls abort()'s
instead of setting errno=EINVAL when invalid arguments are passed to
standard functions.
This commit explains it in detail:
4b623d80f73528a632576990ca51e34c333d5dd6
On Windows the default generator is Visual Studio,so for Visual Studio
builds do this:
cmake `relative-path-to-srcdir`
NOTE: Visual Studio generator is a multi config generator, which means
that Debug and Release builds can be done on the same build directory.
For Clang builds do this:
On bash
CC=clang cmake `relative-path-to-srcdir` -G Ninja
-DCMAKE_BUILD_TYPE=[Debug or Release]
On cmd
set CC=Clang
cmake `relative-path-to-srcdir` -G Ninja
-DCMAKE_BUILD_TYPE=[Debug or Release]
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch facilitates building git on Windows with CMake using MinGW
NOTE: The funtions unsetenv and hstrerror are not checked in Windows
builds.
Reasons
NO_UNSETENV is not compatible with Windows builds.
lines 262-264 compat/mingw.h
compat/mingw.h(line 25) provides a definition of hstrerror which
conflicts with the definition provided in
git-compat-util.h(lines 733-736).
To use CMake on Windows with MinGW do this:
cmake `relative-path-to-srcdir` -G "MinGW Makefiles"
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch allows git to be tested when performin out of source builds.
This involves changing GIT_BUILD_DIR in t/test-lib.sh to point to the
build directory. Also some miscellaneous copies from the source directory
to the build directory.
The copies are:
t/chainlint.sed needed by a bunch of test scripts
po/is.po needed by t0204-gettext-rencode-sanity
mergetools/tkdiff needed by t7800-difftool
contrib/completion/git-prompt.sh needed by t9903-bash-prompt
contrib/completion/git-completion.bash needed by t9902-completion
contrib/svn-fe/svnrdump_sim.py needed by t9020-remote-svn
NOTE: t/test-lib.sh is only modified when tests are run not during
the build or configure.
The trash directory is still srcdir/t
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch provides an alternate way to test git using ctest.
CTest ships with CMake, so there is no additional dependency being
introduced.
To perform the tests with ctest do this after building:
ctest -j[number of jobs]
NOTE: -j is optional, the default number of jobs is 1
Each of the jobs does this:
cd t/ && sh t[something].sh
The reason for using CTest is that it logs the output of the tests
in a neat way, which can be helpful during diagnosis of failures.
After the tests have run ctest generates three log files located in
`build-directory`/Testing/Temporary/
These log files are:
CTestCostData.txt:
This file contains the time taken to complete each test.
LastTestsFailed.log:
This log file contains the names of the tests that have failed in the
run.
LastTest.log:
This log file contains the log of all the tests that have run.
A snippet of the file is given below.
10/901 Testing: D:/my/git-master/t/t0009-prio-queue.sh
10/901 Test: D:/my/git-master/t/t0009-prio-queue.sh
Command: "sh.exe" "D:/my/git-master/t/t0009-prio-queue.sh"
Directory: D:/my/git-master/t
"D:/my/git-master/t/t0009-prio-queue.sh"
Output:
----------------------------------------------------------
ok 1 - basic ordering
ok 2 - mixed put and get
ok 3 - notice empty queue
ok 4 - stack order
passed all 4 test(s)
1..4
<end of output>
Test time = 1.11 sec
NOTE: Testing only works when building in source for now.
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Install the built binaries and scripts using CMake
This is very similar to `make install`.
By default the destination directory(DESTDIR) is /usr/local/ on Linux
To set a custom installation path do this:
cmake `relative-path-to-srcdir`
-DCMAKE_INSTALL_PREFIX=`preferred-install-path`
Then run `make install`
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Implement the placeholder substitution to generate scripted
Porcelain commands, e.g. git-request-pull out of
git-request-pull.sh
Generate shell/perl/python scripts and template using CMake instead of
using sed like the build procedure in the Makefile does.
The text translations are only build if `msgfmt` is found in your path.
NOTE: The scripts and templates are generated during configuration.
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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At the moment, the recommended way to configure Git's builds is to
simply run `make`. If that does not work, the recommended strategy is to
look at the top of the `Makefile` to see whether any "Makefile knob" has
to be turned on/off, e.g. `make NO_OPENSSL=YesPlease`.
Alternatively, Git also has an `autoconf` setup which allows configuring
builds via `./configure [<option>...]`.
Both of these options are fine if the developer works on Unix or Linux.
But on Windows, we have to jump through hoops to configure a build
(read: we force the user to install a full Git for Windows SDK, which
occupies around two gigabytes (!) on disk and downloads about three
quarters of a gigabyte worth of Git objects).
The build infrastructure for Git is written around being able to run
make, which is not supported natively on Windows.
To help Windows developers a CMake build script is introduced here.
With a working support CMake, developers on Windows need only install
CMake, configure their build, load the generated Visual Studio solution
and immediately start modifying the code and build their own version of
Git. Likewise, developers on other platforms can use the convenient GUI
tools provided by CMake to configure their build.
So let's start building CMake support for Git.
This is only the first step, and to make it easier to review, it only
allows for configuring builds on the platform that is easiest to
configure for: Linux.
The CMake script checks whether the headers are present(eg. libgen.h),
whether the functions are present(eg. memmem), whether the funtions work
properly (eg. snprintf) and generate the required compile definitions
for the platform. The script also searches for the required libraries,
if it fails to find the required libraries the respective executables
won't be built.(eg. If libcurl is not found then git-remote-http won't
be built). This will help building Git easier.
With a CMake script an out of source build of git is possible resulting
in a clean source tree.
Note: this patch asks for the minimum version v3.14 of CMake (which is
not all that old as of time of writing) because that is the first
version to offer a platform-independent way to generate hardlinks as
part of the build. This is needed to generate all those hardlinks for
the built-in commands of Git.
Signed-off-by: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With the upgrade, the library names changed from libeay32/ssleay32 to
libcrypto/libssl.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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CI updates.
* js/azure-pipelines-msvc:
ci: also build and test with MS Visual Studio on Azure Pipelines
ci: really use shallow clones on Azure Pipelines
tests: let --immediate and --write-junit-xml play well together
test-tool run-command: learn to run (parts of) the testsuite
vcxproj: include more generated files
vcxproj: only copy `git-remote-http.exe` once it was built
msvc: work around a bug in GetEnvironmentVariable()
msvc: handle DEVELOPER=1
msvc: ignore some libraries when linking
compat/win32/path-utils.h: add #include guards
winansi: use FLEX_ARRAY to avoid compiler warning
msvc: avoid using minus operator on unsigned types
push: do not pretend to return `int` from `die_push_simple()`
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In b18ae14a8f6 (vcxproj: also link-or-copy builtins, 2019-07-29), we
started to copy or hard-link the built-ins as a post-build step of the
`git` project.
At the same time, we tried to copy or hard-link `git-remote-http.exe`,
but it is quite possible that it was not built at that time.
Let's move that latter task into a post-install step of the
`git-remote-http` project instead.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Even though Debug configuration builds, the resulting build is incorrect
in a subtle way: it mixes up Debug and Release binaries, which in turn
causes hard-to-predict bugs.
In my case, when git calls iconv library, iconv sets 'errno' and git
then tests it, but in Debug and Release CRT those 'errno' are different
memory locations.
This patch addresses 3 connected bugs:
1) Typo in '\(Configuration)'. As a result, Debug configuration
condition is always false and Release path is taken instead.
2) Regexp that replaced 'zlib.lib' with 'zlibd.lib' was only affecting
the first occurrence. However, some projects have it listed twice.
Previously this bug was hidden, because Debug path was never taken.
I decided that avoiding double -lz in makefile is fragile and I'd
better replace all occurrences instead.
3) In Debug, 'libcurl-d.lib' should be used instead of 'libcurl.lib'.
Previously this bug was hidden, because Debug path was never taken.
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The default location for `.exe` files linked by Visual Studio depends on
the mode (debug vs release) and the architecture. Meaning: after a full
build, there is a `git.exe` in the top-level directory, but none of the
built-ins are linked..
When running a test script in Git Bash, it therefore would pick up the
wrong, say, `git-receive-pack.exe`: the one installed at the same time
as the Git Bash.
Absolutely not what we want. We want to have confidence that our test
covers the MSVC-built Git executables, and not some random stuff.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The entire idea of generating the VS solution makes only sense if we
generate it via Continuous Integration; otherwise potential users would
still have to download the entire Git for Windows SDK.
If we pre-generate the Visual Studio solution, Git can be built entirely
within Visual Studio, and the test scripts can be run in a regular Git
for Windows (e.g. the Portable Git flavor, which does not include a full
GCC toolchain and therefore weighs only about a tenth of Git for
Windows' SDK).
So let's just add a target in the Makefile that can be used to generate
said solution; The generated files will then be committed so that they
can be pushed to a branch ready to check out by Visual Studio users.
To make things even more useful, we also generate and commit other files
that are required to run the test suite, such as templates and
bin-wrappers: with this, developers can run the test suite in a regular
Git Bash after building the solution in Visual Studio.
Note: for this build target, we do not actually need to initialize the
`vcpkg` system, so we don't.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Based on the previous patches in this patch series that fixed the
generator for `.vcproj` files (which were used by Visual Studio prior to
2015 to define projects), this patch offers to generate project
definitions for neweer versions of Visual Studio (which use `.vcxproj`
files).
To that end, this patch copy-edits the generator of the `.vcproj`.
In addition, we now use the `vcpkg` system which allows us to build
Git's dependencies (e.g. curl, libexpat) conveniently. The support
scripts were introduced in the `jh/msvc` patch series, and with this
patch we initialize the `vcpkg` conditionally, in the `libgit` project's
`PreBuildEvent`. To allow for parallel building of the projects, we
therefore put `libgit` at the bottom of the project hierarchy.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ævar Arnfjörð Bjarmason
Junio C Hamano
Dennis Ameling
Matthew Rogers
Jeff Hostetler
Johannes Schindelin
Orgad Shaneh
Jeff King
Sibi Siddharthan
Alexandr Miloslavskiy