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[4/9] meson: wire up development environments

Message ID 20250113-b4-pks-meson-additions-v1-4-97f6a93f691d@pks.im (mailing list archive)
State Superseded
Headers show
Series meson: a couple of additions | expand

Commit Message

Patrick Steinhardt Jan. 13, 2025, 8:33 a.m. UTC 
The Meson build system is able to wire up development environments. The
intent is to make build artifacts of the project available. This is
typically used to export e.g. paths to linkable libraries, which isn't
all that interesting in our context given that we don't have an official
library interface.

But what we can use this mechanism for is to expose the built Git
executables as well as the build directory. This allows users to play
around with the built Git version in the devenv, and allows them to
execute our test scripts directly with the built distribution.

Wire up this feature, which can then be used via `meson devenv` in the
build directory.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 meson.build | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/meson.build b/meson.build
index e278ff207a7714fbb6b6cf8e1ec1fcca37360bd0..0b559215e4f105ac87bd580d755f88c32b7b36ca 100644
--- a/meson.build
+++ b/meson.build
@@ -1932,6 +1932,14 @@  configure_file(
   configuration: build_options_config,
 )
 
+# Development environments can be used via `meson devenv -C <builddir>`. This
+# allows you to execute test scripts directly with the built Git version and
+# puts the built version of Git in your PATH.
+devenv = environment()
+devenv.set('GIT_BUILD_DIR', meson.current_build_dir())
+devenv.prepend('PATH', meson.current_build_dir() / 'bin-wrappers')
+meson.add_devenv(devenv)
+
 summary({
   'curl': curl.found(),
   'expat': expat.found(),