From afbec4936bb868a1fa24ca50c445f8f5173cc4d4 Mon Sep 17 00:00:00 2001
From: Yusuke Tsutsumi <tsutsumi.yusuke@gmail.com>
Date: Tue, 4 Mar 2014 23:39:40 -0800
Subject: [PATCH] Fixing get_revision with no scm

---
 jenkinsapi/build.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/jenkinsapi/build.py b/jenkinsapi/build.py
index 122616f..1f07e69 100644
--- a/jenkinsapi/build.py
+++ b/jenkinsapi/build.py
@@ -89,7 +89,10 @@ class Build(JenkinsBase):
         _actions = [x for x in self._data['actions']
                     if x and "lastBuiltRevision" in x]
 
-        return _actions[0]["lastBuiltRevision"]["SHA1"]
+        if len(_actions) > 0:
+            return _actions[0]["lastBuiltRevision"]["SHA1"]
+
+        return None
 
     def _get_hg_rev(self):
         warnings.warn("This untested function may soon be removed from Jenkinsapi (_get_hg_rev).")
-- 
2.7.4