From f8eb0c983ff4633b022628f1eea06aedd1dfee35 Mon Sep 17 00:00:00 2001
From: jakedt <jake@devtable.com>
Date: Thu, 20 Feb 2014 22:35:54 -0500
Subject: [PATCH] Short circuit the ancestry computation for empty ancestry
 strings.

---
 data/model.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/data/model.py b/data/model.py
index 30f8f174a..947d686b7 100644
--- a/data/model.py
+++ b/data/model.py
@@ -885,6 +885,9 @@ def create_repository(namespace, name, creating_user, visibility='private'):
 
 
 def __translate_ancestry(old_ancestry, translations):
+  if old_ancestry == '/':
+    return '/'
+
   old_ids = [int(id_str) for id_str in old_ancestry.split('/')[1:-1]]
   new_ids = [str(translations[old_id]) for old_id in old_ids]
   return '/%s/' % '/'.join(new_ids)