repository.rb in gitlab_git-10.4.7

- old
+ new

@@ -273,10 +273,9 @@
       def log(options)
         default_options = {
           limit: 10,
           offset: 0,
           path: nil,
-          ref: root_ref,
           follow: false,
           skip_merges: false,
           disable_walk: false,
           after: nil,
           before: nil