| #!/usr/bin/env bash |
| # SPDX-License-Identifier: LGPL-2.1-or-later |
| |
| set -eu |
| set -o pipefail |
| |
| dir="${1:?}" |
| fallback="${2:?}" |
| |
| # 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 "$dir" |
| # Check that we have either .git/ (a normal clone) or a .git file (a work-tree) |
| # and that we don't get confused if a tarball is extracted in a higher-level |
| # git repository. |
| [ -e .git ] && \ |
| git describe --abbrev=7 --dirty=^ 2>/dev/null | sed 's/^v//; s/-rc/~rc/' || \ |
| echo "$fallback" |
