Re-use existing autoloader suffix if available, fixes #3701

9 years ago · b296e654eb
parent fed81ee47c
commit b296e654eb
1 changed files with 10 additions and 1 deletions
--- a/src/Composer/Autoload/AutoloadGenerator.php
+++ b/src/Composer/Autoload/AutoloadGenerator.php
@ -214,7 +214,16 @@ EOF;
        $classmapFile .= ");\n";

        if (!$suffix) {
-            $suffix = $config->get('autoloader-suffix') ?: md5(uniqid('', true));
+            if (is_readable($vendorPath.'/autoload.php')) {
+                $content = file_get_contents($vendorPath.'/autoload.php');
+                if (preg_match('{ComposerAutoloaderInit([^:\s]+)::}', $content, $match)) {
+                    $suffix = $match[1];
+                }
+            }
+
+            if (!$suffix) {
+                $suffix = $config->get('autoloader-suffix') ?: md5(uniqid('', true));
+            }
        }

        file_put_contents($targetDir.'/autoload_namespaces.php', $namespacesFile);