#!/bin/sh

usage () {
	cat <<EOF>&2
Usage: ${0##*/} [OPTIONS] DIR1 DIR2

Use rsync to display a folder tree diff between DIR1 and DIR2.

Additional rsync OPTIONS can be used, such as '-t, --times'.
Lookup '-i, --itemize-changes' in rsync(1) for the legend.
EOF
}

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

rsync -nivr -lpgod --delete --size-only "$@"