From ff42da58b96999221e8ce0df555b8837ff67bb08 Mon Sep 17 00:00:00 2001
From: Bart Visscher <bartv@thisnet.nl>
Date: Fri, 7 Sep 2012 13:16:50 +0200
Subject: [PATCH] Global file cache should also be able to clear with prefix

---
 lib/cache/fileglobal.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/cache/fileglobal.php b/lib/cache/fileglobal.php
index d4336553c3..e551ad472a 100644
--- a/lib/cache/fileglobal.php
+++ b/lib/cache/fileglobal.php
@@ -64,12 +64,13 @@ class OC_Cache_FileGlobal{
 		return unlink($cache_dir.$key);
 	}
 
-	public function clear(){
+	public function clear($prefix=''){
 		$cache_dir = self::getCacheDir();
+		$prefix = $this->fixKey($prefix);
 		if($cache_dir and is_dir($cache_dir)){
 			$dh=opendir($cache_dir);
 			while($file=readdir($dh)){
-				if($file!='.' and $file!='..'){
+				if($file!='.' and $file!='..' and ($prefix==='' || strpos($file, $prefix) === 0)){
 					unlink($cache_dir.$file);
 				}
 			}
-- 
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