#!/bin/sh

usage () {
	cat <<EOF>&2
Usage: ${0##*/} OLD-DIR NEW-DIR

Use rsync to display a folder tree diff between OLD-DIR and NEW-DIR.
Trailing slash is not necesssary.
EOF
}

[ $# -lt 2 ] && usage && exit 1
[ "$1" = "-h" ] && usage && exit
[ "$1" = "--" ] && shift

rsync -nivr --links --perms --group --owner --delete --size-only "$2/" "$1"