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mirror of https://github.com/systemd/systemd-stable.git synced 2024-12-22 13:33:56 +03:00
systemd-stable/tools/meson-vcs-tag.sh
Joe Lin 88e94c3810 meson-vcs-tag: enhance version info generation
When build from release tarball and where there is parent .git dir,
this situtaion will get wrong version info. (build with buildroot)

The systemd running show wrong version in dmesg log:
systemd[1]: systemd 2019.02-1086-gf5f17c4 running in system mode.
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Shoule be:
systemd[1]: systemd 241 running in system mode. (-PAM -AUDIT -SEL
            ^^^^^^^^^^^
2019-05-21 07:53:40 +09:00

23 lines
615 B
Bash
Executable File

#!/bin/bash
set -eu
set -o pipefail
dir="$1"
tag="$2"
fallback="$3"
if [ -n "$tag" ]; then
echo "$tag"
exit 0
fi
# Apparently git describe has a bug where it always considers the work-tree
# dirty when invoked with --git-dir (even though 'git status' is happy). Work
# around this issue by cd-ing to the source directory.
cd "$dir"
# Check that we have either .git/ (a normal clone) or a .git file (a work-tree)
# and that we don't get confused if a tarball is extracted in a higher-level
# git repository.
[ -e .git ] && git describe --abbrev=7 --dirty=+ 2>/dev/null | sed 's/^v//' || echo "$fallback"