--- /dev/null
+#! /bin/sh -e
+
+root=/usr/local.schroot/
+master=universe.distorted.org.uk
+case $1 in
+ +back) from=$root to=$master:$root; shift ;;
+ *) from=$master:$root to=$root ;;
+esac
+cd $root/
+rsync -avH --del --filter=". $root/.rsync-filter" "$@" $from $to