Add pipeline status to diffs/commit_item

**Notes:**
- Also exposes commit.pipeline_status_path in diffs.json

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

@@ -5,6 +5,7 @@ import Icon from '~/vue_shared/components/icon.vue';
 import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
 import CIIcon from '~/vue_shared/components/ci_icon.vue';
 import TimeAgoTooltip from '~/vue_shared/components/time_ago_tooltip.vue';
+import CommitPipelineStatus from '~/projects/tree/components/commit_pipeline_status_component.vue';
 
 /**
  * CommitItem
@@ -29,6 +30,7 @@ export default {
     ClipboardButton,
     CIIcon,
     TimeAgoTooltip,
+    CommitPipelineStatus,
   },
   props: {
     commit: {
@@ -106,6 +108,10 @@ export default {
           v-if="commit.signatureHtml"
           v-html="commit.signatureHtml"
         ></div>
+        <commit-pipeline-status
+          v-if="commit.pipelineStatusPath"
+          :endpoint="commit.pipelineStatusPath"
+        />
         <div class="commit-sha-group">
           <div
             class="label label-monospace"

app/models/commit.rb

@@ -319,7 +319,11 @@ class Commit
   def status(ref = nil)
     return @statuses[ref] if @statuses.key?(ref)
 
-    @statuses[ref] = project.pipelines.latest_status_per_commit(id, ref)[id]
+    @statuses[ref] = status_for_project(ref, project)
+  end
+
+  def status_for_project(ref, pipeline_project)
+    pipeline_project.pipelines.latest_status_per_commit(id, ref)[id]
   end
 
   def set_status_for_ref(ref, status)

app/serializers/commit_entity.rb

@@ -30,6 +30,17 @@ class CommitEntity < API::Entities::Commit
     render('projects/commit/_signature', signature: commit.signature) if commit.has_signature?
   end
 
+  expose :pipeline_status_path, if: { type: :full } do |commit, options|
+    pipeline_ref = options[:pipeline_ref]
+    pipeline_project = options[:pipeline_project] || commit.project
+    next unless pipeline_ref && pipeline_project
+
+    status = commit.status_for_project(pipeline_ref, pipeline_project)
+    next unless status
+
+    pipelines_project_commit_path(pipeline_project, commit.id, ref: pipeline_ref)
+  end
+
   def render(*args)
     return unless request.respond_to?(:render) && request.render.respond_to?(:call)
 

app/serializers/diffs_entity.rb

@@ -18,7 +18,9 @@ class DiffsEntity < Grape::Entity
   expose :commit do |diffs, options|
     CommitEntity.represent options[:commit], options.merge(
       type: :full,
-      commit_url_params: { merge_request_iid: merge_request&.iid }
+      commit_url_params: { merge_request_iid: merge_request&.iid },
+      pipeline_ref: merge_request&.source_branch,
+      pipeline_project: merge_request&.source_project
     )
   end
 

spec/javascripts/diffs/components/commit_item_spec.js

@@ -10,6 +10,7 @@ const TEST_AUTHOR_NAME = 'test';
 const TEST_AUTHOR_EMAIL = 'test+test@gitlab.com';
 const TEST_AUTHOR_GRAVATAR = `${TEST_HOST}/avatar/test?s=36`;
 const TEST_SIGNATURE_HTML = '<a>Legit commit</a>';
+const TEST_PIPELINE_STATUS_PATH = `${TEST_HOST}/pipeline/status`;
 
 const getTitleElement = vm => vm.$el.querySelector('.commit-row-message.item-title');
 const getDescElement = vm => vm.$el.querySelector('pre.commit-row-description');
@@ -143,4 +144,20 @@ describe('diffs/components/commit_widget', () => {
       expect(actionsElement).toContainHtml(TEST_SIGNATURE_HTML);
     });
   });
+
+  describe('with pipeline status', () => {
+    beforeEach(done => {
+      vm.commit.pipelineStatusPath = TEST_PIPELINE_STATUS_PATH;
+
+      vm.$nextTick()
+        .then(done)
+        .catch(done.fail);
+    });
+
+    it('renders pipeline status', () => {
+      const actionsElement = getCommitActionsElement(vm);
+
+      expect(actionsElement).toContainElement('.ci-status-link');
+    });
+  });
 });

spec/serializers/commit_entity_spec.rb

@@ -66,7 +66,7 @@ describe CommitEntity do
 
   context 'when type is "full"' do
     let(:entity) do
-      described_class.new(commit, request: request, type: :full)
+      described_class.new(commit, request: request, type: :full, pipeline_ref: project.default_branch, pipeline_project: project)
     end
 
     it 'exposes extra properties' do
@@ -84,6 +84,16 @@ describe CommitEntity do
         expect(subject.fetch(:signature_html)).to be SIGNATURE_HTML
       end
     end
+
+    context 'when commit has pipeline' do
+      before do
+        create(:ci_pipeline, project: project, sha: commit.id)
+      end
+
+      it 'exposes "pipeline_status_path"' do
+        expect(subject.fetch(:pipeline_status_path)).not_to be_nil
+      end
+    end
   end
 
   context 'when commit_url_params is set' do