API pipeline update metadata

pipelines.go

@@ -406,3 +406,35 @@ func (s *PipelinesService) DeletePipeline(pid interface{}, pipeline int, options
 
 	return s.client.Do(req, nil)
 }
+
+// UpdateMetadataOptions represents the available UpdateMetadata() options.
+//
+// https://docs.gitlab.com/ee/api/pipelines.html#update-pipeline-metadata
+type UpdateMetadataOptions struct {
+	Name string `url:"ref" json:"name"`
+}
+
+// UpdateMetadata You can update the metadata of a pipeline. The metadata contains the name of the pipeline.
+//
+// GitLab API docs:
+// https://docs.gitlab.com/ee/api/pipelines.html#update-pipeline-metadata
+func (s *PipelinesService) UpdateMetadata(pid interface{}, pipeline int, opt *UpdateMetadataOptions, options ...RequestOptionFunc) (*Pipeline, *Response, error) {
+	project, err := parseID(pid)
+	if err != nil {
+		return nil, nil, err
+	}
+	u := fmt.Sprintf("projects/%s/pipelines/%d/metadata", PathEscape(project), pipeline)
+
+	req, err := s.client.NewRequest(http.MethodPut, u, opt, options)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	p := new(Pipeline)
+	resp, err := s.client.Do(req, p)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return p, resp, nil
+}

pipelines_test.go

@@ -271,3 +271,23 @@ func TestDeletePipeline(t *testing.T) {
 		t.Errorf("Pipelines.DeletePipeline returned error: %v", err)
 	}
 }
+
+func TestUpdateMetadata(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/projects/1/pipelines/234/metadata", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, http.MethodPut)
+		fmt.Fprint(w, `{"id":1, "status":"running"}`)
+	})
+
+	opt := &UpdateMetadataOptions{Name: "new pipeline title"}
+	pipeline, _, err := client.Pipelines.UpdateMetadata("1", 234, opt)
+	if err != nil {
+		t.Errorf("Pipelines.UpdateMetadata returned error: %v", err)
+	}
+
+	want := &Pipeline{ID: 1, Status: "running"}
+	if !reflect.DeepEqual(want, pipeline) {
+		t.Errorf("Pipelines.UpdateMetadata returned %+v, want %+v", pipeline, want)
+	}
+}