#!/usr/bin/sh
set -e

if [ "$VCS" = git ]; then
	[ -d .git ] && [ -n "`git status --porcelain`" ]
elif [ "$VCS" = hg ]; then
	[ -d .hg ] && ! hg status 2>&1 | wc -l | grep -q "^0$"
elif [ "$VCS" = bzr ]; then
	[ -d .bzr ] && ! bzr version-info --custom --template="{clean}\n" | grep -q "^1$"
elif [ "$VCS" = darcs ]; then
	[ -d _darcs ] && darcs whatsnew -l >/dev/null
fi