From 977b8c8f41be12d342c32d27a7b8421ed8e6a3de Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Sat, 21 Nov 2015 20:33:47 +0000
Subject: [PATCH] Fix loading error when plugin is a final class, fixes #4482

---
 src/Composer/Plugin/PluginManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Plugin/PluginManager.php b/src/Composer/Plugin/PluginManager.php
index bbfcc2f2c..230087175 100644
--- a/src/Composer/Plugin/PluginManager.php
+++ b/src/Composer/Plugin/PluginManager.php
@@ -144,7 +144,7 @@ class PluginManager
         foreach ($classes as $class) {
             if (class_exists($class, false)) {
                 $code = file_get_contents($classLoader->findFile($class));
-                $code = preg_replace('{^(\s*)class\s+(\S+)}mi', '$1class $2_composer_tmp'.self::$classCounter, $code);
+                $code = preg_replace('{^((?:final\s+)?(?:\s*))class\s+(\S+)}mi', '$1class $2_composer_tmp'.self::$classCounter, $code);
                 eval('?>'.$code);
                 $class .= '_composer_tmp'.self::$classCounter;
                 self::$classCounter++;