add conveince function to wrap all storages

diff --git a/lib/files/filesystem.php b/lib/files/filesystem.php
index 4281ebba99d1c1ddf0331865c7d21f90de04c757..10ec5c41d11eb97525bc96d42cb74b49cf79c87c 100644 (file)
--- a/lib/files/filesystem.php
+++ b/lib/files/filesystem.php
@@ -149,6 +149,18 @@ class Filesystem {
         */
        private static $loader;
 
+       /**
+        * @param callable $wrapper
+        */
+       public static function addStorageWrapper($wrapper) {
+               self::getLoader()->addStorageWrapper($wrapper);
+
+               $mounts = self::getMountManager()->getAll();
+               foreach ($mounts as $mount) {
+                       $mount->wrapStorage($wrapper);
+               }
+       }
+
        public static function getLoader() {
                if (!self::$loader) {
                        self::$loader = new Loader();