=== modified file 'bzrtools.py'
--- bzrtools.py	
+++ bzrtools.py	
@@ -143,7 +143,7 @@
     Traceback (most recent call last):
     NoRsync: rsyncc not found.
     """
-    cmd = [rsync_name, "-av", "--delete"]
+    cmd = [rsync_name, "-rtv", "--delete"]
     if ssh:
         cmd.extend(('-e', 'ssh'))
     if len(excludes) > 0: