From 10947739995b315ab17c7db670ff0089a747f7ac Mon Sep 17 00:00:00 2001
From: Arthur de Moulins <arthurdemoulins@gmail.com>
Date: Fri, 2 Dec 2016 16:57:47 +0100
Subject: [PATCH] inject project root path into twig filesystem loader

---
 .../DependencyInjection/Compiler/ExtensionPass.php       | 6 +++++-
 .../Bundle/TwigBundle/Loader/FilesystemLoader.php        | 9 +++++----
 src/Symfony/Bundle/TwigBundle/Resources/config/twig.xml  | 5 +++--
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php b/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
index 603cbe8e22ef..dbad1b653c1d 100644
--- a/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
+++ b/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
@@ -64,9 +64,13 @@ public function process(ContainerBuilder $container)
             $container->getDefinition('twig.extension.debug')->addTag('twig.extension');
         }
 
+        $composerRootDir = $this->getComposerRootDir($container->getParameter('kernel.root_dir'));
+        $loader = $container->getDefinition('twig.loader.filesystem');
+        $loader->replaceArgument(2, $composerRootDir);
+
         if (!$container->has('templating')) {
             $loader = $container->getDefinition('twig.loader.native_filesystem');
-            $loader->replaceArgument(1, $this->getComposerRootDir($container->getParameter('kernel.root_dir')));
+            $loader->replaceArgument(1, $composerRootDir);
             $loader->addTag('twig.loader');
             $loader->setMethodCalls($container->getDefinition('twig.loader.filesystem')->getMethodCalls());
 
diff --git a/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php b/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php
index 53fe300e29a6..0a9ac7a3ca19 100644
--- a/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php
+++ b/src/Symfony/Bundle/TwigBundle/Loader/FilesystemLoader.php
@@ -29,12 +29,13 @@ class FilesystemLoader extends \Twig_Loader_Filesystem
     /**
      * Constructor.
      *
-     * @param FileLocatorInterface        $locator A FileLocatorInterface instance
-     * @param TemplateNameParserInterface $parser  A TemplateNameParserInterface instance
+     * @param FileLocatorInterface        $locator  A FileLocatorInterface instance
+     * @param TemplateNameParserInterface $parser   A TemplateNameParserInterface instance
+     * @param string|null                 $rootPath The root path common to all relative paths (null for getcwd())
      */
-    public function __construct(FileLocatorInterface $locator, TemplateNameParserInterface $parser)
+    public function __construct(FileLocatorInterface $locator, TemplateNameParserInterface $parser, $rootPath = null)
     {
-        parent::__construct(array());
+        parent::__construct(array(), $rootPath);
 
         $this->locator = $locator;
         $this->parser = $parser;
diff --git a/src/Symfony/Bundle/TwigBundle/Resources/config/twig.xml b/src/Symfony/Bundle/TwigBundle/Resources/config/twig.xml
index c82cbafbeb95..06af08d15ba7 100644
--- a/src/Symfony/Bundle/TwigBundle/Resources/config/twig.xml
+++ b/src/Symfony/Bundle/TwigBundle/Resources/config/twig.xml
@@ -46,12 +46,13 @@
 
         <service id="twig.loader.native_filesystem" class="Twig_Loader_Filesystem" public="false">
             <argument type="collection" /> <!-- paths -->
-            <argument></argument> <!-- project's root dir -->
+            <argument /> <!-- project's root dir -->
         </service>
 
         <service id="twig.loader.filesystem" class="Symfony\Bundle\TwigBundle\Loader\FilesystemLoader" public="false">
             <argument type="service" id="templating.locator" />
             <argument type="service" id="templating.name_parser" />
+            <argument /> <!-- project's root dir -->
             <tag name="twig.loader"/>
         </service>
 
@@ -87,7 +88,7 @@
 
         <service id="twig.extension.code" class="Symfony\Bridge\Twig\Extension\CodeExtension" public="false">
             <tag name="twig.extension" />
-            <argument type="service" id="debug.file_link_formatter"></argument>
+            <argument type="service" id="debug.file_link_formatter" />
             <argument>%kernel.root_dir%</argument>
             <argument>%kernel.charset%</argument>
         </service>