# HG changeset patch
# User Sune Foldager <cryo@cyanite.org>
# Date 1316001110 -7200
# Node ID 106f89299da61291b31dc054de721c98a04a1380
# Parent  31c9e2a702d128c5d0e2aa35eaa8cf5434029910
bundlerepo: add argument check before unlink

The default argument value of None, for bundlename, would cause an exception.
Callers currently pass an empty string, thus dodging this problem.

diff -r 31c9e2a702d1 -r 106f89299da6 mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py	Sun Sep 11 14:42:30 2011 +0200
+++ b/mercurial/bundlerepo.py	Wed Sep 14 13:51:50 2011 +0200
@@ -315,7 +315,8 @@
     common, incoming, rheads = tmp
     if not incoming:
         try:
-            os.unlink(bundlename)
+            if bundlename:
+                os.unlink(bundlename)
         except OSError:
             pass
         return other, [], other.close