update

1 files changed, 20 insertions, 1 deletions

diff --git a/bin/diffdir b/bin/diffdir
index d1a8ae2..cbe03b7 100755
--- a/bin/diffdir
+++ b/bin/diffdir
@@ -32,6 +32,20 @@ diffdir() {
 	#key ~ /[cps]/ { print "changed " prefix file }'
 }
 
+last() {
+	i=0 m=0
+	case $1 in
+		([0-9]|[1-9][0-9]) m=$((m + $1)) ;;
+		("") ;;
+		(*) echo "$1"; return ;;
+	esac
+	for l in $vlist; do
+		[ $i -ge $m ] && break
+		i=$((i + 1))
+	done
+	echo "$dest/$l"
+}
+
 while getopts :V opt; do
 	case $opt in
 	(V) echo "$Version"; exit ;;
@@ -40,4 +54,9 @@ while getopts :V opt; do
 done
 shift $((OPTIND - 1))
 
-diffdir "$1" "$2"
+dest=/.history
+vlist=$(rsync --list-only "$dest/" 2>/dev/null | cut -b 47- | tac)
+
+old=$(last "$1") new=$(last "${2:-/}")
+echo "diffdir" "$old" "$new"
+diffdir "$old" "$new"