forceAppend example

if ($operation_data->hasAppend()) {
      $append_source_file = ScaffoldFilePath::sourcePath($package_name, $package_path, $operation_data->destination(), $operation_data->append());
    }
    if ($operation_data->hasDefault()) {
      $default_data_file = ScaffoldFilePath::sourcePath($package_name, $package_path, $operation_data->destination(), $operation_data->default());
    }
    if (!$this->hasContent($prepend_source_file) && !$this->hasContent($append_source_file)) {
      $message = ' - Keep <info>[dest-rel-path]</info> unchanged: no content to prepend / append was provided.';
      return new SkipOp($message);
    }

    return new AppendOp($prepend_source_file, $append_source_file, $operation_data->forceAppend(), $default_data_file);
  }

  /** * Checks to see if the specified scaffold file exists and has content. * * @param \Drupal\Composer\Plugin\Scaffold\ScaffoldFilePath $file * Scaffold file to check. * * @return bool * True if the file exists and has content. */