Merge branch 'generate-valid-json' into 'master'

Generate valid json

This patch helps to be compatible to other programing languages as it improves the validation of hook data. It seems only ruby can handle 'nil' as value while other json decode function will fatal.

See merge request !182

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/gitlab/push_data_builder.rb b/lib/gitlab/push_data_builder.rb
index 9fb0bf65949..0cc6b0ac694 100644
--- a/lib/gitlab/push_data_builder.rb
+++ b/lib/gitlab/push_data_builder.rb
@@ -58,6 +58,7 @@ module Gitlab
           data[:commits] << commit.hook_attrs(project)
         end
 
+        data[:commits] = "" if data[:commits].count == 0
         data
       end