| #!/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" && git describe --abbrev=7 --dirty=+ 2>/dev/null | sed 's/^v//' || echo "$fallback" |