bug #15549 [FrameworkBundle] Fix precedence of xdebug.file_link_format (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
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[FrameworkBundle] Fix precedence of xdebug.file_link_format

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | symfony/symfony-docs#5625

See symfony/demo#148 (comment)

Commits
-------

adb5327 [FrameworkBundle] Fix precedence of xdebug.file_link_format

Author: fabpot

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -356,14 +356,16 @@ private function registerTemplatingConfiguration(array $config, $ide, ContainerB
         $loader->load('templating.xml');
         $loader->load('templating_php.xml');
 
-        $links = array(
-            'textmate' => 'txmt://open?url=file://%%f&line=%%l',
-            'macvim' => 'mvim://open?url=file://%%f&line=%%l',
-            'emacs' => 'emacs://open?url=file://%%f&line=%%l',
-            'sublime' => 'subl://open?url=file://%%f&line=%%l',
-        );
+        if (!$container->hasParameter('templating.helper.code.file_link_format')) {
+            $links = array(
+                'textmate' => 'txmt://open?url=file://%%f&line=%%l',
+                'macvim' => 'mvim://open?url=file://%%f&line=%%l',
+                'emacs' => 'emacs://open?url=file://%%f&line=%%l',
+                'sublime' => 'subl://open?url=file://%%f&line=%%l',
+            );
 
-        $container->setParameter('templating.helper.code.file_link_format', isset($links[$ide]) ? $links[$ide] : $ide);
+            $container->setParameter('templating.helper.code.file_link_format', ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format') ?: (isset($links[$ide]) ? $links[$ide] : $ide));
+        }
         $container->setParameter('templating.helper.form.resources', $config['form']['resources']);
         $container->setParameter('fragment.renderer.hinclude.global_template', $config['hinclude_default_template']);