          data-toggle="pill"
              data-target="#pills-diff"
              type="button"
              role="tab"
              aria-controls="pills-diff"
              aria-selected="true"
            >
              Diff
            </button>
          </li>
          <li class="nav-item" role="presentation" ng-if="details.comments">
            <button
              class="nav-link"
              ng-class="{'active':!details.diff}"
              id="pills-comments-tab"
              data-toggle="