#! /bin/sh

if git rev-parse --show-cdup > /dev/null 2> /dev/null; then
	tag=$(git describe --tags HEAD 2> /dev/null || \
	      git rev-parse --short HEAD)
	dirty=$(git update-index --refresh --unmerged > /dev/null
		if git diff-index --name-only HEAD | read dummy; then
		    echo -dirty
		fi)
	echo $tag$dirty
fi