1 files changed, 14 insertions, 1 deletions
diff --git a/lib/gitlab/git.rb b/lib/gitlab/git.rb
index 8c9acbc9fbe..1f31cdbc96d 100644
--- a/lib/gitlab/git.rb
+++ b/lib/gitlab/git.rb
@@ -11,7 +11,7 @@ module Gitlab
       include Gitlab::EncodingHelper
 
       def ref_name(ref)
-        encode! ref.sub(/\Arefs\/(tags|heads|remotes)\//, '')
+        encode_utf8(ref).sub(/\Arefs\/(tags|heads|remotes)\//, '')
       end
 
       def branch_name(ref)
@@ -57,6 +57,19 @@ module Gitlab
       def version
         Gitlab::VersionInfo.parse(Gitlab::Popen.popen(%W(#{Gitlab.config.git.bin_path} --version)).first)
       end
+
+      def check_namespace!(*objects)
+        expected_namespace = self.name + '::'
+        objects.each do |object|
+          unless object.class.name.start_with?(expected_namespace)
+            raise ArgumentError, "expected object in #{expected_namespace}, got #{object}"
+          end
+        end
+      end
+
+      def diff_line_code(file_path, new_line_position, old_line_position)
+        "#{Digest::SHA1.hexdigest(file_path)}_#{old_line_position}_#{new_line_position}"
+      end
     end
   end
 end