Mercurial > hg > mercurial-crew-with-dirclash

diff mercurial/cmdutil.py @ 4471:736e49292809

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addremove: comparing two empty files caused ZeroDivisionError (found by Giorgos Keramidas)
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 01 Jun 2007 16:00:40 +0200
parents e89f9afc462b
children b2b55acbacdd
line wrap: on
line diff
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -160,9 +160,11 @@ def findrenames(repo, added=None, remove
                 for line in alines[x1:x2]:
                     equal += len(line)
 
-            myscore = equal*2.0 / (len(aa)+len(rr))
-            if myscore >= bestscore:
-                bestname, bestscore = r, myscore
+            lengths = len(aa) + len(rr)
+            if lengths:
+                myscore = equal*2.0 / lengths
+                if myscore >= bestscore:
+                    bestname, bestscore = r, myscore
         if bestname:
             yield bestname, a, bestscore