case $2 in
Commit)
	for i in `ls $1/prev`; do
		rm $1/prev/$i;
	done;
	for i in `ls $1/curr`; do
		echo "// committing \`"$i"'";
		cp $1/curr/$i $1/prev/$i ;
	done;;
Restore)
	for i in `ls $1/curr`; do
		rm $1/curr/$i;
	done;
	for i in `ls $1/prev`; do
		echo "// restoring \`"$i"'";
		cp $1/prev/$i $1/curr/$i ;
	done;;
esac
