Merge pull request github#219 from philips/master

services: email: fix first_commit_sha

Author: technoweenie

services/email.rb

@@ -152,7 +152,7 @@ def repo_url
 
   def mail_subject
     if first_commit
-      "[#{name_with_owner}] #{first_commit_sha}: #{first_commit_title}"
+      "[#{name_with_owner}] #{first_commit_sha.slice(0, 6)}: #{first_commit_title}"
     else
       "[#{name_with_owner}]"
     end
@@ -208,7 +208,7 @@ def repository_name
   end
 
   def first_commit_sha
-    first_commit[:id]
+    first_commit['id']
   end
 
   def first_commit_title(limit = 50)