Merge branch '_acet-fix-diff-file-header' into 'master'

Fix showing diff file header for renamed files

Closes #48887

See merge request gitlab-org/gitlab-ce!22089

Author: mikegreiling

app/assets/javascripts/diffs/components/diff_file_header.vue

@@ -166,18 +166,16 @@ export default {
             :title="diffFile.oldPath"
             class="file-title-name"
             data-container="body"
-          >
-            {{ diffFile.oldPath }}
-          </strong>
+            v-html="diffFile.oldPathHtml"
+          ></strong>
           →
           <strong
             v-tooltip
             :title="diffFile.newPath"
             class="file-title-name"
             data-container="body"
-          >
-            {{ diffFile.newPath }}
-          </strong>
+            v-html="diffFile.newPathHtml"
+          ></strong>
         </span>
 
         <strong

app/assets/javascripts/notes/components/diff_file_header.vue

@@ -84,7 +84,7 @@ class DiffFileEntity < Grape::Entity
   end
 
   expose :old_path_html do |diff_file|
-    old_path = mark_inline_diffs(diff_file.old_path, diff_file.new_path)
+    old_path, _ = mark_inline_diffs(diff_file.old_path, diff_file.new_path)
     old_path
   end
 

app/serializers/diff_file_entity.rb

@@ -0,0 +1,5 @@
+---
+title: Fix showing diff file header for renamed files
+merge_request: 22089
+author:
+type: fixed

changelogs/unreleased/_acet-fix-diff-file-header.yml

@@ -33,7 +33,7 @@ export default {
   contentSha: 'c48ee0d1bf3b30453f5b32250ce03134beaa6d13',
   storedExternally: null,
   externalStorage: null,
-  oldPathHtml: ['CHANGELOG', 'CHANGELOG'],
+  oldPathHtml: 'CHANGELOG',
   newPathHtml: 'CHANGELOG',
   editPath: '/gitlab-org/gitlab-test/edit/spooky-stuff/CHANGELOG',
   viewPath: '/gitlab-org/gitlab-test/blob/spooky-stuff/CHANGELOG',