Issue #2708379 by alexpott: Add uuid service to core.services.yml

core/core.services.yml

@@ -1600,7 +1600,8 @@ services:
   update.post_update_registry_factory:
     class: Drupal\Core\Update\UpdateRegistryFactory
     parent: container.trait
-
+  uuid:
+    class: Drupal\Component\Uuid\Php
   response_filter.active_link:
     class: Drupal\Core\EventSubscriber\ActiveLinkResponseFilter
     arguments: ['@current_user', '@path.current', '@path.matcher', '@language_manager']

core/lib/Drupal/Core/CoreServiceProvider.php

@@ -15,6 +15,7 @@
 use Drupal\Core\DependencyInjection\Compiler\StackedSessionHandlerPass;
 use Drupal\Core\DependencyInjection\Compiler\RegisterStreamWrappersPass;
 use Drupal\Core\DependencyInjection\Compiler\TwigExtensionPass;
+use Drupal\Core\DependencyInjection\ServiceModifierInterface;
 use Drupal\Core\DependencyInjection\ServiceProviderInterface;
 use Drupal\Core\DependencyInjection\ContainerBuilder;
 use Drupal\Core\DependencyInjection\Compiler\ModifyServiceDefinitionsPass;
@@ -39,13 +40,12 @@
  *
  * @ingroup container
  */
-class CoreServiceProvider implements ServiceProviderInterface  {
+class CoreServiceProvider implements ServiceProviderInterface, ServiceModifierInterface  {
 
   /**
    * {@inheritdoc}
    */
   public function register(ContainerBuilder $container) {
-    $this->registerUuid($container);
     $this->registerTest($container);
 
     // Only register the private file stream wrapper if a file path has been set.
@@ -98,30 +98,23 @@ public function register(ContainerBuilder $container) {
   }
 
   /**
-   * Determines and registers the UUID service.
+   * Alters the UUID service to use the most efficient method available.
    *
    * @param \Drupal\Core\DependencyInjection\ContainerBuilder $container
    *   The container builder.
-   *
-   * @return string
-   *   Class name for the UUID service.
    */
-  public static function registerUuid(ContainerBuilder $container) {
-    $uuid_class = 'Drupal\Component\Uuid\Php';
-
+  public function alter(ContainerBuilder $container) {
+    $uuid_service = $container->getDefinition('uuid');
     // Debian/Ubuntu uses the (broken) OSSP extension as their UUID
     // implementation. The OSSP implementation is not compatible with the
     // PECL functions.
     if (function_exists('uuid_create') && !function_exists('uuid_make')) {
-      $uuid_class = 'Drupal\Component\Uuid\Pecl';
+      $uuid_service->setClass('Drupal\Component\Uuid\Pecl');
     }
     // Try to use the COM implementation for Windows users.
     elseif (function_exists('com_create_guid')) {
-      $uuid_class = 'Drupal\Component\Uuid\Com';
+      $uuid_service->setClass('Drupal\Component\Uuid\Com');
     }
-
-    $container->register('uuid', $uuid_class);
-    return $uuid_class;
   }
 
   /**