Make "moved" Link to Moved Issue

The text "moved" now links to the issue the closed issue was moved to.

app/assets/stylesheets/framework/issue_box.scss

@@ -32,6 +32,11 @@
   &.status-box-issue-closed,
   &.status-box-mr-merged {
     background-color: $blue-500;
+
+    a {
+      color: inherit;
+      text-decoration: underline;
+    }
   }
 
   &.status-box-open {

app/views/projects/issues/show.html.haml

@@ -14,9 +14,12 @@
   .detail-page-header-body
     .issuable-status-box.status-box.status-box-issue-closed{ class: issue_button_visibility(@issue, false) }
       = sprite_icon('mobile-issue-close', size: 16, css_class: 'd-block d-sm-none')
-      %span.d-none.d-sm-block
+      .d-none.d-sm-block
         - if @issue.moved?
-          = _("Closed (moved)")
+          - moved_link_start = "<a href=\"#{issue_path(@issue.moved_to)}\">".html_safe
+          - moved_link_end = '</a>'.html_safe
+          = s_('IssuableStatus|Closed (%{moved_link_start}moved%{moved_link_end})').html_safe % {moved_link_start: moved_link_start,
+            moved_link_end: moved_link_end}
         - else
           = _("Closed")
     .issuable-status-box.status-box.status-box-open{ class: issue_button_visibility(@issue, true) }

changelogs/unreleased/57784-make-closed-duplicate-and-closed-moved-button-a-link-to-target.yml

+---
+title: Add Link from Closed (moved) Issues to Moved Issue
+merge_request: 25300
+author:
+type: added

locale/gitlab.pot

@@ -1542,9 +1542,6 @@ msgstr ""
 msgid "Closed"
 msgstr ""
 
-msgid "Closed (moved)"
-msgstr ""
-
 msgid "ClusterIntegration| %{custom_domain_start}More information%{custom_domain_end}."
 msgstr ""
 
@@ -4097,6 +4094,9 @@ msgstr ""
 msgid "Invoke Time"
 msgstr ""
 
+msgid "IssuableStatus|Closed (%{moved_link_start}moved%{moved_link_end})"
+msgstr ""
+
 msgid "Issue"
 msgstr ""
 

spec/views/projects/issues/show.html.haml_spec.rb

@@ -21,14 +21,26 @@ describe 'projects/issues/show' do
       allow(issue).to receive(:closed?).and_return(true)
     end
 
-    it 'shows "Closed (moved)" if an issue has been moved' do
-      allow(issue).to receive(:moved?).and_return(true)
+    context 'when the issue was moved' do
+      let(:new_issue) { create(:issue, project: project, author: user) }
 
+      before do
+        issue.moved_to = new_issue
+      end
+
+      it 'shows "Closed (moved)" if an issue has been moved' do
         render
 
         expect(rendered).to have_selector('.status-box-issue-closed:not(.hidden)', text: 'Closed (moved)')
       end
 
+      it 'links "moved" to the new issue the original issue was moved to' do
+        render
+
+        expect(rendered).to have_selector("a[href=\"#{issue_path(new_issue)}\"]", text: 'moved')
+      end
+    end
+
     it 'shows "Closed" if an issue has not been moved' do
       render