From e3a85de9dba9a623316064e54cb76d5886a0cd4c Mon Sep 17 00:00:00 2001
From: Athlan <athlan@vgroup.pl>
Date: Sun, 19 Mar 2017 22:31:26 +0100
Subject: [PATCH] Fixes #347. FileSystem Driver - do not delete root cache
 directory while clear on entire pool.

---
 src/Stash/Driver/FileSystem.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Stash/Driver/FileSystem.php b/src/Stash/Driver/FileSystem.php
index 442b7907..33670e1c 100644
--- a/src/Stash/Driver/FileSystem.php
+++ b/src/Stash/Driver/FileSystem.php
@@ -321,6 +321,11 @@ protected function makePath($key = null)
     public function clear($key = null)
     {
         $path = $this->makePath($key);
+
+        if($key === null) {
+            return Utilities::deleteRecursive($path, false);
+        }
+
         if (is_file($path)) {
             $return = true;
             unlink($path);