#!/usr/bin/env bash
set -euo pipefail

project_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)
description=$(git -C "$project_dir" describe --tags --long --match 'v[0-9]*' --dirty)
case "$description" in
  *-dirty) echo 'Refusing to package a dirty tree.' >&2; exit 1 ;;
esac
version=${description#v}
case "$version" in
  *-0-g*) version=${version%%-0-g*} ;;
esac
printf '%s\n' "$version"