mirror of
https://github.com/systemd/systemd.git
synced 2024-12-23 21:35:11 +03:00
34 lines
1.0 KiB
Bash
Executable File
34 lines
1.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# SPDX-License-Identifier: LGPL-2.1-or-later
|
|
|
|
set -u
|
|
set -o pipefail
|
|
|
|
dir="${1:?}"
|
|
fallback="${2:?}"
|
|
version_tag="${3:-}"
|
|
|
|
if [ -n "${version_tag}" ]; then
|
|
# If -Dversion_tag= was used, just use that without further changes.
|
|
echo "${version_tag}"
|
|
else
|
|
# Check that we have either .git/ (a normal clone) or a .git file (a work-tree)
|
|
# and that we don't get confused if a tarball is extracted in a higher-level
|
|
# git repository.
|
|
#
|
|
# If the working tree has no tags (CI builds), the first git-describe will fail
|
|
# and we fall back to project_version-commitid instead.
|
|
|
|
c=''
|
|
if [ -e "${dir}/.git" ]; then
|
|
c="$(git -C "$dir" describe --abbrev=7 --dirty=^ 2>/dev/null)"
|
|
if [ -z "$c" ]; then
|
|
# This call might still fail with permission issues
|
|
suffix="$(git -C "$dir" describe --always --abbrev=7 --dirty=^ 2>/dev/null)"
|
|
[ -n "$suffix" ] && c="${fallback}-${suffix}"
|
|
fi
|
|
fi
|
|
[ -z "$c" ] && c="${fallback}"
|
|
echo "$c" | sed 's/^v//; s/-rc/~rc/'
|
|
fi
|