--- apt_btrfs_snapshot.py	2012-09-02 09:41:18.868820968 -0500
+++ /usr/share/pyshared/apt_btrfs_snapshot.py	2012-09-02 09:48:21.928831217 -0500
@@ -165,7 +165,9 @@
         older_than_unixtime = self._parse_older_than_to_unixtime(timefmt)
         for snap in self.get_btrfs_root_snapshots_list(
             older_than=older_than_unixtime):
-            self.delete_snapshot(snap)
+            if not self.delete_snapshot(snap):
+                return False
+        return True
     def command_set_default(self, snapshot_name):
         res = self.set_default(snapshot_name)
         print "Please reboot"