phorge-phorge/src/applications/diffusion/controller/DiffusionCommitListController.php

<?php

final class DiffusionCommitListController
  extends DiffusionController {

  public function shouldAllowPublic() {
    return true;
  }

  public function handleRequest(AphrontRequest $request) {
    return id(new PhabricatorCommitSearchEngine())
      ->setController($this)
      ->buildResponse();
  }

  protected function buildApplicationCrumbs() {
    $crumbs = parent::buildApplicationCrumbs();

    $crumbs->addTextCrumb(
      pht('Commits'),
      $this->getApplicationURI('commit/'));

    return $crumbs;
  }

}