Fix to show renamed file in mr

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

@@ -130,7 +130,7 @@ export default {
       return `\`${this.diffFile.file_path}\``;
     },
     isFileRenamed() {
-      return this.diffFile.viewer.name === diffViewerModes.renamed;
+      return this.diffFile.renamed_file;
     },
     isModeChanged() {
       return this.diffFile.viewer.name === diffViewerModes.mode_changed;

changelogs/unreleased/59786-show-renamed-file-in-mr.yml

+---
+title: Fix to show renamed file in mr
+merge_request: 31888
+author:
+type: changed

spec/javascripts/diffs/components/diff_file_header_spec.js

@@ -372,7 +372,7 @@ describe('diff_file_header', () => {
       });
 
       it('displays old and new path if the file was renamed', () => {
-        props.diffFile.viewer.name = diffViewerModes.renamed;
+        props.diffFile.renamed_file = true;
 
         vm = mountComponentWithStore(Component, { props, store });