--- a/incoming.py	Sun Jul 03 23:27:49 2016 +0800
+++ b/incoming.py	Sun Jul 03 23:28:39 2016 +0800
@@ -150,6 +150,9 @@
 
         result.append(item)
 
+    if not url or not node or not branch:
+        return
+
     domain, user, name = parse_project_url(url)
 
     with database.transaction():