Club Drupal

  // Download colorbox plugin only if path is writable.

  if (is_writable($path)) {

    // Set the directory to the download location.

    $olddir = getcwd();

    chdir($path);

    // Download the zip archive

    if ($filepath = drush_download_file(COLORBOX_DOWNLOAD_URI)) {

      $filename = basename($filepath);

      $dirname = COLORBOX_DOWNLOAD_PREFIX . basename($filepath, '.zip');

      // Remove any existing Colorbox plugin directory.

      if (is_dir($dirname) || is_dir('colorbox')) {

        drush_delete_dir($dirname, TRUE);

        drush_delete_dir('colorbox', TRUE);

        drush_log(dt('A existing Colorbox plugin was deleted from @path', array('@path' => $path)), 'notice');

      }

      // Decompress the zip archive

      drush_tarball_extract($filename);

      // Change the directory name to "colorbox" if needed.

      if ($dirname != 'colorbox') {

        drush_move_dir($dirname, 'colorbox', TRUE);

        $dirname = 'colorbox';

      }

    if (is_dir($dirname)) {

      drush_log(dt('Colorbox plugin has been installed in @path', array('@path' => $path)), 'success');

    }

    else {

      drush_log(dt('Drush was unable to install the Colorbox plugin to @path', array('@path' => $path)), 'error');

    // Set working directory back to the previous working directory.

    chdir($olddir);

    drush_log(dt('Drush was unable to install the Colorbox plugin because @path is not writable. If you enable the colorbox module before you install the plugin library, you may find that colorbox does not work until you reinstall the colorbox module.', array('@path' => $path)), 'warning');