Merge branch '9-2-stable' into 9-2-stable-fix-conflicts-for-mr-11189

app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.js

@@ -12,6 +12,15 @@ export default {
     commitsText() {
       return gl.text.pluralize('commit', this.mr.divergedCommitsCount);
     },
+    branchNameClipboardData() {
+      // This supports code in app/assets/javascripts/copy_to_clipboard.js that
+      // works around ClipboardJS limitations to allow the context-specific
+      // copy/pasting of plain text or GFM.
+      return JSON.stringify({
+        text: this.mr.sourceBranch,
+        gfm: `\`${this.mr.sourceBranch}\``,
+      });
+    },
   },
   methods: {
     isBranchTitleLong(branchTitle) {

app/assets/stylesheets/framework/header.scss

@@ -24,12 +24,16 @@ header {
 
   &.navbar-gitlab {
     padding: 0 16px;
-    z-index: 100;
+    z-index: 400;
     margin-bottom: 0;
     min-height: $header-height;
     background-color: $gray-light;
     border: none;
     border-bottom: 1px solid $border-color;
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
 
     @media (max-width: $screen-xs-min) {
       padding: 0 16px;

changelogs/unreleased/dm-copy-mr-source-branch-as-gfm.yml

+---
+title: Paste a copied MR source branch name as code when pasted into a GFM form
+merge_request:
+author: