Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

core/lib/Drupal/Core/Extension/Discovery/RecursiveExtensionFilterIterator.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\Discovery\RecursiveExtensionFilterIterator.
- */
-
 namespace Drupal\Core\Extension\Discovery;
 
 /**

core/lib/Drupal/Core/Extension/Extension.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\Extension.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/ExtensionDiscovery.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ExtensionDiscovery.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Component\FileCache\FileCacheFactory;

core/lib/Drupal/Core/Extension/ExtensionNameLengthException.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ExtensionNameLengthException.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/InfoParser.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\InfoParser.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/InfoParserDynamic.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\InfoParserDynamic.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Component\Serialization\Yaml;

core/lib/Drupal/Core/Extension/InfoParserException.php

@@ -1,8 +1,4 @@
 <?php
-/**
- * @file
- * Contains \Drupal\Core\Extension\InfoParserException.
- */
 
 namespace Drupal\Core\Extension;
 

core/lib/Drupal/Core/Extension/InfoParserInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\InfoParserInterface.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/MissingDependencyException.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\MissingDependencyException.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/ModuleHandler.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ModuleHandler.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Component\Graph\Graph;
@@ -89,6 +84,13 @@ class ModuleHandler implements ModuleHandlerInterface {
    */
   protected $root;
 
+  /**
+   * A list of module include file keys.
+   *
+   * @var array
+   */
+  protected $includeFileKeys = [];
+
   /**
    * Constructs a ModuleHandler object.
    *
@@ -263,14 +265,21 @@ class ModuleHandler implements ModuleHandlerInterface {
     }
 
     $name = $name ?: $module;
+    $key = $type . ':' . $module . ':' . $name;
+    if (isset($this->includeFileKeys[$key])) {
+      return $this->includeFileKeys[$key];
+    }
     if (isset($this->moduleList[$module])) {
       $file = $this->root . '/' . $this->moduleList[$module]->getPath() . "/$name.$type";
       if (is_file($file)) {
         require_once $file;
+        $this->includeFileKeys[$key] = $file;
         return $file;
       }
+      else {
+        $this->includeFileKeys[$key] = FALSE;
+      }
     }
-
     return FALSE;
   }
 

core/lib/Drupal/Core/Extension/ModuleHandlerInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ModuleHandlerInterface.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/ModuleInstaller.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ModuleInstaller.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Component\Serialization\Yaml;
@@ -284,6 +279,10 @@ class ModuleInstaller implements ModuleInstallerInterface {
         // @see https://www.drupal.org/node/2208429
         \Drupal::service('theme_handler')->refreshInfo();
 
+        // In order to make uninstalling transactional if anything uses routes.
+        \Drupal::getContainer()->set('router.route_provider.old', \Drupal::service('router.route_provider'));
+        \Drupal::getContainer()->set('router.route_provider', \Drupal::service('router.route_provider.lazy_builder'));
+
         // Allow the module to perform install tasks.
         $this->moduleHandler->invoke($module, 'install');
 
@@ -294,7 +293,15 @@ class ModuleInstaller implements ModuleInstallerInterface {
 
     // If any modules were newly installed, invoke hook_modules_installed().
     if (!empty($modules_installed)) {
-      \Drupal::service('router.builder')->setRebuildNeeded();
+      \Drupal::getContainer()->set('router.route_provider', \Drupal::service('router.route_provider.old'));
+      if (!\Drupal::service('router.route_provider.lazy_builder')->hasRebuilt()) {
+        // Rebuild routes after installing module. This is done here on top of
+        // \Drupal\Core\Routing\RouteBuilder::destruct to not run into errors on
+        // fastCGI which executes ::destruct() after the module installation
+        // page was sent already.
+        \Drupal::service('router.builder')->rebuild();
+      }
+
       $this->moduleHandler->invokeAll('modules_installed', array($modules_installed));
     }
 
@@ -383,6 +390,10 @@ class ModuleInstaller implements ModuleInstallerInterface {
       // Remove all configuration belonging to the module.
       \Drupal::service('config.manager')->uninstall('module', $module);
 
+      // In order to make uninstalling transactional if anything uses routes.
+      \Drupal::getContainer()->set('router.route_provider.old', \Drupal::service('router.route_provider'));
+      \Drupal::getContainer()->set('router.route_provider', \Drupal::service('router.route_provider.lazy_builder'));
+
       // Notify interested components that this module's entity types are being
       // deleted. For example, a SQL-based storage handler can use this as an
       // opportunity to drop the corresponding database tables.
@@ -455,7 +466,11 @@ class ModuleInstaller implements ModuleInstallerInterface {
       $post_update_registry = \Drupal::service('update.post_update_registry');
       $post_update_registry->filterOutInvokedUpdatesByModule($module);
     }
-    \Drupal::service('router.builder')->setRebuildNeeded();
+    // Rebuild routes after installing module. This is done here on top of
+    // \Drupal\Core\Routing\RouteBuilder::destruct to not run into errors on
+    // fastCGI which executes ::destruct() after the Module uninstallation page
+    // was sent already.
+    \Drupal::service('router.builder')->rebuild();
     drupal_get_installed_schema_version(NULL, TRUE);
 
     // Let other modules react.

core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ModuleInstallerInterface.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/ModuleUninstallValidatorException.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ModuleUninstallValidatorException.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/ModuleUninstallValidatorInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ModuleUninstallValidatorInterface.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/RequiredModuleUninstallValidator.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\RequiredModuleUninstallValidator.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Core\StringTranslation\StringTranslationTrait;

core/lib/Drupal/Core/Extension/ThemeHandler.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ThemeHandler.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Core\Config\ConfigFactoryInterface;

core/lib/Drupal/Core/Extension/ThemeHandlerInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ThemeHandlerInterface.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/ThemeInstaller.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ThemeInstaller.
- */
-
 namespace Drupal\Core\Extension;
 
 use Drupal\Core\Asset\AssetCollectionOptimizerInterface;

core/lib/Drupal/Core/Extension/ThemeInstallerInterface.php

@@ -1,10 +1,5 @@
 <?php
 
-/**
- * @file
- * Contains \Drupal\Core\Extension\ThemeInstallerInterface.
- */
-
 namespace Drupal\Core\Extension;
 
 /**

core/lib/Drupal/Core/Extension/module.api.php

@@ -198,6 +198,12 @@ function hook_modules_installed($modules) {
  * If the module implements hook_schema(), the database tables will
  * be created before this hook is fired.
  *
+ * If the module provides a MODULE.routing.yml or alters routing information
+ * these changes will not be available when this hook is fired. If up-to-date
+ * router information is required, for example to use \Drupal\Core\Url, then
+ * (preferably) use hook_modules_installed() or rebuild the router in the
+ * hook_install() implementation.
+ *
  * Implementations of this hook are by convention declared in the module's
  * .install file. The implementation can rely on the .module file being loaded.
  * The hook will only be called when a module is installed. The module's schema