MAGETWO-93265: Change the depth of a recursive check of directory write permissions

Author: Yevhen Miroshnychenko

lib/internal/Magento/Framework/Setup/FilePermissions.php

@@ -12,6 +12,9 @@
 use Magento\Framework\App\State;
 use Magento\Framework\App\ObjectManager;
 
+/**
+ * Checks permissions to files and folders.
+ */
 class FilePermissions
 {
     /**
@@ -147,6 +150,7 @@ public function getInstallationCurrentWritableDirectories()
      */
     private function checkRecursiveDirectories($directory)
     {
+        /** @var $directoryIterator \RecursiveIteratorIterator   */
         $directoryIterator = new \RecursiveIteratorIterator(
             new \RecursiveDirectoryIterator($directory, \RecursiveDirectoryIterator::SKIP_DOTS),
             \RecursiveIteratorIterator::CHILD_FIRST
@@ -168,6 +172,8 @@ private function checkRecursiveDirectories($directory)
             ]
         );
 
+        $directoryIterator->setMaxDepth(1);
+
         $foundNonWritable = false;
 
         try {