# HG changeset patch
# User Mads Kiilerich <madski@unity3d.com>
# Date 1438770581 -7200
# Node ID 68bdd7646187345dc8606ed124f8837f6c42e1ef
# Parent  eb337bdaa0e105d4d115719852c7e676f64d0dae
pullrequests: if no ancestor is found, use the null revision hash instead of 'None' (Issue #149)

diff -r eb337bdaa0e1 -r 68bdd7646187 kallithea/controllers/pullrequests.py
--- a/kallithea/controllers/pullrequests.py	Wed Aug 05 12:29:41 2015 +0200
+++ b/kallithea/controllers/pullrequests.py	Wed Aug 05 12:29:41 2015 +0200
@@ -338,6 +338,8 @@
                                               other_repo.scm_instance, other_rev, # org and other "swapped"
                                               org_repo.scm_instance, org_rev,
                                               )
+        if ancestor_rev is None:
+            ancestor_rev = org_repo.scm_instance.EMPTY_CHANGESET
         revisions = [cs.raw_id for cs in cs_ranges]
 
         # hack: ancestor_rev is not an other_rev but we want to show the