--- a/hgext/patchbomb.py	Sun Apr 30 19:30:59 2006 +0200
+++ b/hgext/patchbomb.py	Sun Apr 30 21:11:22 2006 +0200
@@ -62,7 +62,7 @@
 except ImportError: pass
 
 def diffstat(patch):
-    fd, name = tempfile.mkstemp()
+    fd, name = tempfile.mkstemp(prefix="hg-patchbomb-", suffix=".txt")
     try:
         p = popen2.Popen3('diffstat -p1 -w79 2>/dev/null > ' + name)
         try: