postgres backup, cleanup fixed

postgresql/files/postgresql-backup.sh

@@ -41,7 +41,11 @@ create_backup_dirs() {
 
 cleanup_old_backups() {
 	# Remove the old backups
-	find ${HISTDIR} -ctime +$N_DAYS_TO_SPARE -exec rm -f {} \;
+	TODELETE=`ls  /var/lib/pgsql/backups/history | awk -F '.' '{print $NF}' | sort -ruV | tail -n +${N_DAYS_TO_SPARE}`
+	for i in ${TODELETE}
+	do
+	    rm -f /var/lib/pgsql/backups/history/*.$i
+	done
 }
 
 create_db_list() {