SubpathautoServiceProvider.php

<?php

namespace Drupal\subpathauto;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\DependencyInjection\ServiceProviderBase;
use Drupal\Core\Update\UpdateKernel;

/**
 * Defines a service provider for the Subpathauto module.
 */
class SubpathautoServiceProvider extends ServiceProviderBase {
    
    /**
     * {@inheritdoc}
     */
    public function alter(ContainerBuilder $container) {
        // The alias-based processor requires the path_alias entity schema to be
        // installed, so we prevent it from being registered to the path processor
        // manager. We do this by removing the tags that the compiler pass looks
        // for. This means that the URL generator can safely be used during the
        // database update process.
        if ($container->get('kernel') instanceof UpdateKernel && $container->hasDefinition('path_processor_subpathauto')) {
            $container->getDefinition('path_processor_subpathauto')
                ->clearTag('path_processor_inbound')
                ->clearTag('path_processor_outbound');
        }
    }

}