Issue #3269446 by pivica: Not compatible with Drush 11

use Drupal\Core\DrupalKernel;

use Drupal\Core\Extension\ExtensionDiscovery;

use Drush\Log\LogLevel;

use Drupal\Component\Serialization\Yaml;

use Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator;

use Drupal\Core\Site\Settings;

use Psr\Log\LogLevel;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\Routing\Generator\UrlGenerator;

    return;

  }

  drush_log("Starting $child_machine_name theme creation", LogLevel::OK);

  drush_log("Starting $child_machine_name theme creation", LogLevel::INFO);

  // Parent theme should exist.

  $parent_path = _bs_base_drupal_get_theme_path($parent_machine_name);

 *   Theme machine name.

 */

function drush_bs_base_bs_theme_update($target_machine_name) {

  drush_log("Updating a $target_machine_name theme", LogLevel::OK);

  drush_log("Updating a $target_machine_name theme", LogLevel::INFO);

  $target_path = _bs_base_drupal_get_theme_path($target_machine_name);

  if (empty($target_path)) {

 *   Theme machine name.

 */

function drush_bs_base_bs_theme_build($theme_machine_name) {

  drush_log("Building CSS asset for a $theme_machine_name theme", LogLevel::OK);

  drush_log("Building CSS asset for a $theme_machine_name theme", LogLevel::INFO);

  $target_path = _bs_base_drupal_get_theme_path($theme_machine_name);

  if (empty($target_path)) {

function _bs_base_theme_run_update_hooks($target_machine_name) {

  $update_functions = _bs_base_get_update_hooks($target_machine_name);

  if (empty($update_functions)) {

    drush_log(dt("No theme updates required."), LogLevel::SUCCESS);

    drush_log(dt("No theme updates required."), LogLevel::INFO);

    return;

  }

 */

function _bs_base_drush_build_css($path) {

  // Install npm packages and execute gulp sass compilation.

  drush_log("Installing any missing package and rebuilding sass files", LogLevel::OK);

  drush_log("Installing any missing package and rebuilding sass files", LogLevel::INFO);

  exec('cd ' . $path . ' && npm run build-css');

}