Rename Diff::File {old,new}_ref to {old,new}_sha

lib/gitlab/diff/file.rb

@@ -52,20 +52,20 @@ module Gitlab
       def content_commit
         return unless diff_refs
-        repository.commit(deleted_file ? old_ref : new_ref)
+        repository.commit(deleted_file? ? old_sha : new_sha)
       end
       def old_content_commit
         return unless diff_refs
-        repository.commit(old_ref)
+        repository.commit(old_sha)
       end
-      def old_ref
+      def old_sha
         diff_refs.try(:base_sha)
       end
-      def new_ref
+      def new_sha
         diff_refs.try(:head_sha)
       end

lib/gitlab/diff/highlight.rb

@@ -3,7 +3,7 @@ module Gitlab
     class Highlight
       attr_reader :diff_file, :diff_lines, :raw_lines, :repository
-      delegate :old_path, :new_path, :old_ref, :new_ref, to: :diff_file, prefix: :diff
+      delegate :old_path, :new_path, :old_sha, :new_sha, to: :diff_file, prefix: :diff
       def initialize(diff_lines, repository: nil)
         @repository = repository
@@ -61,12 +61,12 @@ module Gitlab
       def old_lines
         return unless diff_file
-        @old_lines ||= Gitlab::Highlight.highlight_lines(self.repository, diff_old_ref, diff_old_path)
+        @old_lines ||= Gitlab::Highlight.highlight_lines(self.repository, diff_old_sha, diff_old_path)
       end
       def new_lines
         return unless diff_file
-        @new_lines ||= Gitlab::Highlight.highlight_lines(self.repository, diff_new_ref, diff_new_path)
+        @new_lines ||= Gitlab::Highlight.highlight_lines(self.repository, diff_new_sha, diff_new_path)
       end
     end
   end