mercurial/commands.py

--- a/mercurial/commands.py	Fri Sep 30 11:06:13 2005 -0700
+++ b/mercurial/commands.py	Fri Sep 30 11:06:19 2005 -0700
@@ -568,6 +568,7 @@
         f.write(z.flush())
     except:
         os.unlink(fname)
+        raise
 
 def cat(ui, repo, file1, *pats, **opts):
     """output the latest or given revisions of files"""