Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Update;
Chris@0: 
Chris@0: use Drupal\Core\DependencyInjection\ContainerBuilder;
Chris@0: use Drupal\Core\DependencyInjection\ServiceModifierInterface;
Chris@0: use Drupal\Core\DependencyInjection\ServiceProviderInterface;
Chris@0: use Symfony\Component\DependencyInjection\Definition;
Chris@0: use Symfony\Component\DependencyInjection\Reference;
Chris@0: 
Chris@0: /**
Chris@0:  * Ensures for some services that they don't cache.
Chris@0:  */
Chris@0: class UpdateServiceProvider implements ServiceProviderInterface, ServiceModifierInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function register(ContainerBuilder $container) {
Chris@0:     $definition = new Definition('Drupal\Core\Cache\NullBackend', ['null']);
Chris@0:     $container->setDefinition('cache.null', $definition);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function alter(ContainerBuilder $container) {
Chris@0:     $definition = $container->getDefinition('asset.resolver');
Chris@0:     $argument = new Reference('cache.null');
Chris@0:     $definition->replaceArgument(5, $argument);
Chris@0: 
Chris@0:     $definition = $container->getDefinition('library.discovery.collector');
Chris@0:     $argument = new Reference('cache.null');
Chris@0:     $definition->replaceArgument(0, $argument);
Chris@18: 
Chris@18:     // Prevent the alias-based path processor, which requires a path_alias db
Chris@18:     // table, from being registered to the path processor manager. We do this by
Chris@18:     // removing the tags that the compiler pass looks for. This means the url
Chris@18:     // generator can safely be used during the database update process.
Chris@18:     if ($container->hasDefinition('path_processor_alias')) {
Chris@18:       $container->getDefinition('path_processor_alias')
Chris@18:         ->clearTag('path_processor_inbound')
Chris@18:         ->clearTag('path_processor_outbound');
Chris@18:     }
Chris@0:   }
Chris@0: 
Chris@0: }