--- a/mercurial/hg.py	Mon Aug 27 01:44:35 2007 -0300
+++ b/mercurial/hg.py	Mon Aug 27 01:44:35 2007 -0300
@@ -99,7 +99,7 @@
     """
 
     origsource = source
-    source, rev = cmdutil.parseurl(ui.expandpath(source), rev)
+    source, rev, checkout = cmdutil.parseurl(ui.expandpath(source), rev)
 
     if isinstance(source, str):
         src_repo = repository(ui, source)