#!/bin/sh
set -e

case "$VCS" in
	git)
		if [ -x .git/hooks/pre-commit ]; then
			if ! grep -q "etckeeper pre-commit" .git/hooks/pre-commit; then
				echo "etckeeper warning: .git/hooks/pre-commit needs to be manually modified to run: etckeeper pre-commit `pwd`" >&2
			fi
		else
			cat >.git/hooks/pre-commit <<EOF
#!/bin/sh
# pre-commit hook for etckeeper, to store metadata and do sanity checks
set -e
etckeeper pre-commit `pwd`
EOF
		chmod +x .git/hooks/pre-commit
		fi
	;;
	hg)
		if [ -e .hg/hgrc ] && grep "^\[hooks\]" .hg/hgrc; then
			echo "etckeeper warning: [hooks] section in .hg/hgrc needs to be manually modified to run: etckeeper pre-commit `pwd`" >&2
		else
		touch .hg/hgrc
		cat >>.hg/hgrc <<EOF
[hooks]
# pre-commit hook for etckeeper, to store metadata and do sanity checks
precommit = etckeeper pre-commit `pwd`
EOF
		fi
	;;
esac
