hack/git-meta

#!/usr/bin/env sh

set -e

case $1 in
	"version")
		git describe --match 'v[0-9]*' --dirty='.m' --always --tags
		;;
	"revision")
		echo "$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi)"
		;;
	*)
		echo "usage: ./hack/git-meta <version|revision>"
		exit 1
		;;
esac