From 8c78d967f81345d3f6cc5431f3d7dd23e4e75934 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <josephschorr@users.noreply.github.com>
Date: Wed, 16 Nov 2016 15:54:08 -0500
Subject: [PATCH] Fix KeyError in Github trigger setup

Fixes #2128
---
 buildtrigger/githubhandler.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/buildtrigger/githubhandler.py b/buildtrigger/githubhandler.py
index 12bb3dc7f..91cc29f46 100644
--- a/buildtrigger/githubhandler.py
+++ b/buildtrigger/githubhandler.py
@@ -358,10 +358,13 @@ class GithubBuildTrigger(BuildTriggerHandler):
               [{'kind': 'tag', 'name': tag} for tag in tags])
 
     config = self.config
+    source = config.get('build_source')
+    if source is None:
+      return []
+
     if field_name == 'tag_name':
       try:
         gh_client = self._get_client()
-        source = config['build_source']
         repo = gh_client.get_repo(source)
         gh_tags = repo.get_tags()
         if limit:
@@ -378,7 +381,6 @@ class GithubBuildTrigger(BuildTriggerHandler):
     if field_name == 'branch_name':
       try:
         gh_client = self._get_client()
-        source = config['build_source']
         repo = gh_client.get_repo(source)
         gh_branches = repo.get_branches()
         if limit: