Fix recursive scanning

lib/private/files/cache/scanner.php

@@ -174,6 +174,7 @@ class Scanner extends BasicEmitter {
 	 * @return int the id of the added file
 	 */
 	protected function addToCache($path, $data) {
+		echo "add";
 		\OC_Hook::emit('Scanner', 'addToCache', array('file' => $path, 'data' => $data));
 		$this->emit('\OC\Files\Cache\Scanner', 'addToCache', array($path, $this->storageId, $data));
 		if ($this->cacheActive) {
@@ -247,10 +248,11 @@ class Scanner extends BasicEmitter {
 						try {
 							$data = $this->scanFile($child, $reuse, true);
 							if ($data) {
+								if ($data['mimetype'] === 'httpd/unix-directory' and $recursive === self::SCAN_RECURSIVE) {
+									$childQueue[] = $child;
+								}
 								if ($data['size'] === -1) {
-									if ($recursive === self::SCAN_RECURSIVE) {
-										$childQueue[] = $child;
-									} else {
+									if ($recursive !== self::SCAN_RECURSIVE) {
 										$size = -1;
 									}
 								} else if ($size !== -1) {