public function copy() {
    $destination = $this->getConfigValue('repo.root') . '/hooks';
    $this->say("Copying default Acquia cloud hooks into $destination...");
    // This WILL overwrite files is source files are newer.
    $result = $this->taskCopyDir([
      $this->getConfigValue('blt.root') . '/scripts/cloud-hooks/hooks' => $destination,
    ])
      ->run();
    $this->taskFilesystemStack()
      ->chmod($destination, 0755, 0000, TRUE)
      ->run();

    return $result;
  }