Add keyboard shortcuts for commit navigation

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

@@ -224,6 +224,7 @@ export default {
   methods: {
     ...mapActions(['startTaskList']),
     ...mapActions('diffs', [
+      'moveToNeighboringCommit',
       'setBaseConfig',
       'fetchDiffFiles',
       'fetchDiffFilesMeta',
@@ -344,9 +345,16 @@ export default {
             break;
         }
       });
+
+      if (this.commit) {
+        Mousetrap.bind('c', () => this.moveToNeighboringCommit({ direction: 'next' }));
+        Mousetrap.bind('x', () => this.moveToNeighboringCommit({ direction: 'previous' }));
+      }
     },
     removeEventListeners() {
       Mousetrap.unbind(['[', 'k', ']', 'j']);
+      Mousetrap.unbind('c');
+      Mousetrap.unbind('x');
     },
     jumpToFile(step) {
       const targetIndex = this.currentDiffIndex + step;

app/views/help/_shortcuts.html.haml

@@ -313,6 +313,18 @@
                   %td.shortcut
                     %kbd p
                   %td= _('Previous unresolved discussion')
+              %tbody
+                %tr
+                  %th
+                  %th= _('Merge Request Commits')
+                %tr
+                  %td.shortcut
+                    %kbd c
+                  %td= _('Next commit')
+                %tr
+                  %td.shortcut
+                    %kbd x
+                  %td= _('Previous commit')
               %tbody
                 %tr
                   %th

locale/gitlab.pot

@@ -13028,6 +13028,9 @@ msgstr ""
 msgid "Merge Request Approvals"
 msgstr ""
 
+msgid "Merge Request Commits"
+msgstr ""
+
 msgid "Merge Requests"
 msgstr ""
 
@@ -13886,6 +13889,9 @@ msgstr ""
 msgid "Next"
 msgstr ""
 
+msgid "Next commit"
+msgstr ""
+
 msgid "Next file in diff"
 msgstr ""
 
@@ -15592,6 +15598,9 @@ msgstr ""
 msgid "Previous Artifacts"
 msgstr ""
 
+msgid "Previous commit"
+msgstr ""
+
 msgid "Previous file in diff"
 msgstr ""