.local/bin/rdiff: Change default behaviour to be more dwim.

.local/bin/rdiff

@@ -2,12 +2,10 @@
 
 usage () {
 	cat <<EOF>&2
-Usage: ${0##*/} [OPTIONS] DIR1 DIR2
+Usage: ${0##*/} OLD-DIR NEW-DIR
 
-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.
+Use rsync to display a folder tree diff between OLD-DIR and NEW-DIR.
+Trailing slash is not necesssary.
 EOF
 }
 
@@ -15,4 +13,4 @@ EOF
 [ "$1" = "-h" ] && usage && exit
 [ "$1" = "--" ] && shift
 
-rsync -nivr -lpgod --delete --size-only "$@"
+rsync -nivr --links --perms --group --owner --delete --size-only "$2/" "$1"