From d3dcc7631786a9cca651eb4931dbc638f1b1a4b6 Mon Sep 17 00:00:00 2001
From: Colin Mollenhour <colin@mollenhour.com>
Date: Tue, 2 May 2023 16:33:56 -0400
Subject: [PATCH] Fix autoloader patch to work with composer-installed setup.
 (#3226)

---
 app/Mage.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/Mage.php b/app/Mage.php
index 8a019d43a7a..7e3e58afe5c 100644
--- a/app/Mage.php
+++ b/app/Mage.php
@@ -43,9 +43,14 @@
 Varien_Autoload::register();
 
 /** AUTOLOADER PATCH **/
-if (file_exists($autoloaderPath = (getenv('COMPOSER_VENDOR_PATH') ?: BP . DS .  'vendor') . DS . 'autoload.php')) {
-    require $autoloaderPath;
+$autoloaderPath = getenv('COMPOSER_VENDOR_PATH');
+if (!$autoloaderPath) {
+    $autoloaderPath = dirname(BP) . DS .  'vendor';
+    if (!is_dir($autoloaderPath)) {
+        $autoloaderPath = BP . DS . 'vendor';
+    }
 }
+require $autoloaderPath . DS . 'autoload.php';
 /** AUTOLOADER PATCH **/
 
 /* Support additional includes, such as composer's vendor/autoload.php files */