1#!/bin/sh
2# Print additional version information for non-release trees.
3
4usage() {
5	echo "Usage: $0 [srctree]" >&2
6	exit 1
7}
8
9cd "${1:-.}" || usage
10
11# Check for git and a git repo.
12if head=`git rev-parse --verify HEAD 2>/dev/null`; then
13	# Do we have an untagged version?
14	if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then
15		printf '%s%s' -g `echo "$head" | cut -c1-8`
16	fi
17
18	# Are there uncommitted changes?
19	if git diff-index HEAD | read dummy; then
20		printf '%s' -dirty
21	fi
22fi
23