# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@ens-lyon.org>
# Date 1490214498 -3600
# Node ID bd3d350471814369449bbd28c465261c966644fe
# Parent  8e7b2918e1a31fe5c00b9473e13653bcbdbc33c6
obshash: properly cache obshash value

The code was buggy and only cached non-nullid/non-inherited value. This was
previous hidden because we were using a 'propertycache' to cache the value on
the range object. This fixes it and restore a lot of performance.

diff -r 8e7b2918e1a3 -r bd3d35047181 hgext3rd/evolve/obsdiscovery.py
--- a/hgext3rd/evolve/obsdiscovery.py	Wed Mar 22 20:59:42 2017 +0100
+++ b/hgext3rd/evolve/obsdiscovery.py	Wed Mar 22 21:28:18 2017 +0100
@@ -444,7 +444,8 @@
         sha = hashlib.sha1()
         for p in pieces:
             sha.update(p)
-        obshash = cache[rangeid] = sha.digest()
+        obshash = sha.digest()
+    cache[rangeid] = obshash
     return obshash
 
 @eh.wrapfunction(obsolete.obsstore, '_addmarkers')