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meson: Really fix git version parsing

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The previous attempt to fix git version parsing in commit d34cefad17
("meson: Fix git version parsing") was too naive, and didn't take into
account cases where the libcamera git version contains no or multiple
'+' signs.

Fixing this is more complex than a one-liner change, as meson doesn't
support Python-style slicing of arrays or a length method on strings.
The simplest and most versatile option is to patch the version string in
the gen-version.sh script. Do so, and clarify the comments related to
version handling in meson.build.

Fixes: d34cefad17 ("meson: Fix git version parsing")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2023-03-22 18:35:59 +02:00
parent ac7511dc4c
commit 4cd9cb4a90
2 changed files with 26 additions and 11 deletions
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29
meson.build
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@ -11,15 +11,19 @@ project('libcamera', 'c', 'cpp',
license : 'LGPL 2.1+')
# Generate version information. The libcamera_git_version variable contains the
# full version with git patch count and SHA1 (e.g. 1.2.3+211-c94a24f4), while
# the libcamera_version variable contains the major.minor.patch (e.g. 1.2.3)
# only. If the source tree isn't under git control, or if it matches the last
# git version tag, the build metadata (e.g. +211-c94a24f4) is omitted from
# libcamera_git_version.
# full version with build metadata (patch count and SHA1, e.g.
# 1.2.3+211-c94a24f4), while the libcamera_version variable contains the
# major.minor.patch (e.g. 1.2.3) only.
#
# If the source tree matches the last git version tag, the build metadata
# (e.g. +211-c94a24f4) is omitted from libcamera_git_version.
libcamera_git_version = run_command('utils/gen-version.sh',
meson.project_build_root(),
meson.project_source_root(),
check: false).stdout().strip()
# If the source tree isn't under git control, set libcamera_git_version to the
# meson project version.
if libcamera_git_version == ''
libcamera_git_version = meson.project_version()
endif
@ -31,7 +35,7 @@ project_version = meson.project_version().split('+')[0]
# meson.project_version() could leave the project in a mis-described state.
# Produce a warning in this event, and fix to a best effort.
if libcamera_version != project_version
warning('The sources disagree about the version: '
warning('The sources and meson.build disagree about the version: '
+ libcamera_version + ' != ' + project_version)
summary({'libcamera git version' : libcamera_git_version,
@ -39,13 +43,16 @@ if libcamera_version != project_version
},
bool_yn : true, section : 'Versions')
# Replace the version components reported by git with the release version,
# but keep all trailing information supplied by git.
libcamera_git_version = (project_version + '+' +
libcamera_git_version.split('+')[1])
# Re-run gen-version.sh to replace the git version (major.minor.patch) with
# the meson project version. The build metadata provided by git are kept.
libcamera_git_version = run_command('utils/gen-version.sh',
meson.project_build_root(),
meson.project_source_root(),
project_version,
check: false).stdout().strip()
libcamera_version = project_version
# Append a marker to show we have modified this version string
# Append a marker to show we have modified this version string.
libcamera_git_version += '-nvm'
endif