Merge branch '2.8' into 3.1

* 2.8:
  Compatibility with Twig 1.27
  [VarDumper] Fix dumping Twig source in stack traces
  Enhance GAE compat by removing some realpath()
  bumped Symfony version to 2.8.14
  updated VERSION for 2.8.13
  updated CHANGELOG for 2.8.13
  bumped Symfony version to 2.7.21
  updated VERSION for 2.7.20
  update CONTRIBUTORS for 2.7.20
  updated CHANGELOG for 2.7.20
  [SecurityBundle] Fix twig-bridge lowest dep

Author: nicolas-grekas

DependencyInjection/FrameworkExtension.php

@@ -58,7 +58,7 @@ class FrameworkExtension extends Extension
      */
     public function load(array $configs, ContainerBuilder $container)
     {
-        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader = new XmlFileLoader($container, new FileLocator(dirname(__DIR__).'/Resources/config'));
 
         $loader->load('web.xml');
         $loader->load('services.xml');
@@ -686,7 +686,7 @@ private function registerTranslatorConfiguration(array $config, ContainerBuilder
         if (class_exists('Symfony\Component\Security\Core\Exception\AuthenticationException')) {
             $r = new \ReflectionClass('Symfony\Component\Security\Core\Exception\AuthenticationException');
 
-            $dirs[] = dirname($r->getFileName()).'/../Resources/translations';
+            $dirs[] = dirname(dirname($r->getFileName())).'/Resources/translations';
         }
         $rootDir = $container->getParameter('kernel.root_dir');
         foreach ($container->getParameter('kernel.bundles') as $bundle => $class) {
@@ -811,21 +811,21 @@ private function getValidatorMappingFiles(ContainerBuilder $container)
             $dirname = dirname($reflection->getFileName());
 
             if (is_file($file = $dirname.'/Resources/config/validation.xml')) {
-                $files[0][] = realpath($file);
+                $files[0][] = $file;
                 $container->addResource(new FileResource($file));
             }
 
             if (is_file($file = $dirname.'/Resources/config/validation.yml')) {
-                $files[1][] = realpath($file);
+                $files[1][] = $file;
                 $container->addResource(new FileResource($file));
             }
 
             if (is_dir($dir = $dirname.'/Resources/config/validation')) {
                 foreach (Finder::create()->files()->in($dir)->name('*.xml') as $file) {
-                    $files[0][] = $file->getRealPath();
+                    $files[0][] = $file->getPathname();
                 }
                 foreach (Finder::create()->files()->in($dir)->name('*.yml') as $file) {
-                    $files[1][] = $file->getRealPath();
+                    $files[1][] = $file->getPathname();
                 }
 
                 $container->addResource(new DirectoryResource($dir));
@@ -948,15 +948,15 @@ private function registerSerializerConfiguration(array $config, ContainerBuilder
             $dirname = dirname($reflection->getFileName());
 
             if (is_file($file = $dirname.'/Resources/config/serialization.xml')) {
-                $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\XmlFileLoader', array(realpath($file)));
+                $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\XmlFileLoader', array($file));
                 $definition->setPublic(false);
 
                 $serializerLoaders[] = $definition;
                 $container->addResource(new FileResource($file));
             }
 
             if (is_file($file = $dirname.'/Resources/config/serialization.yml')) {
-                $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\YamlFileLoader', array(realpath($file)));
+                $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\YamlFileLoader', array($file));
                 $definition->setPublic(false);
 
                 $serializerLoaders[] = $definition;
@@ -965,13 +965,13 @@ private function registerSerializerConfiguration(array $config, ContainerBuilder
 
             if (is_dir($dir = $dirname.'/Resources/config/serialization')) {
                 foreach (Finder::create()->files()->in($dir)->name('*.xml') as $file) {
-                    $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\XmlFileLoader', array($file->getRealPath()));
+                    $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\XmlFileLoader', array($file->getPathname()));
                     $definition->setPublic(false);
 
                     $serializerLoaders[] = $definition;
                 }
                 foreach (Finder::create()->files()->in($dir)->name('*.yml') as $file) {
-                    $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\YamlFileLoader', array($file->getRealPath()));
+                    $definition = new Definition('Symfony\Component\Serializer\Mapping\Loader\YamlFileLoader', array($file->getPathname()));
                     $definition->setPublic(false);
 
                     $serializerLoaders[] = $definition;
@@ -1094,7 +1094,7 @@ private function getKernelRootHash(ContainerBuilder $container)
      */
     public function getXsdValidationBasePath()
     {
-        return __DIR__.'/../Resources/config/schema';
+        return dirname(__DIR__).'/Resources/config/schema';
     }
 
     public function getNamespace()

Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -398,11 +398,11 @@ public function testValidationPaths()
             // Testing symfony/framework-bundle with deps=high
             $this->assertStringEndsWith('symfony'.DIRECTORY_SEPARATOR.'form/Resources/config/validation.xml', $xmlMappings[0]);
         }
-        $this->assertStringEndsWith('TestBundle'.DIRECTORY_SEPARATOR.'Resources'.DIRECTORY_SEPARATOR.'config'.DIRECTORY_SEPARATOR.'validation.xml', $xmlMappings[1]);
+        $this->assertStringEndsWith('TestBundle/Resources/config/validation.xml', $xmlMappings[1]);
 
         $yamlMappings = $calls[4][1][0];
         $this->assertCount(1, $yamlMappings);
-        $this->assertStringEndsWith('TestBundle'.DIRECTORY_SEPARATOR.'Resources'.DIRECTORY_SEPARATOR.'config'.DIRECTORY_SEPARATOR.'validation.yml', $yamlMappings[0]);
+        $this->assertStringEndsWith('TestBundle/Resources/config/validation.yml', $yamlMappings[0]);
     }
 
     public function testValidationNoStaticMethod()