From 8f00f2141383da553bd4c8fff9a3d9c0a4e4cf45 Mon Sep 17 00:00:00 2001
From: Björn Schießle <schiessle@owncloud.com>
Date: Thu, 14 Feb 2013 16:47:00 +0100
Subject: Check if glob() returns some matches before continue, this should fix
 issue 1690

---
 apps/files_versions/lib/versions.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/apps/files_versions/lib/versions.php b/apps/files_versions/lib/versions.php
index 5cf11759da4..08e5c4f87e1 100644
--- a/apps/files_versions/lib/versions.php
+++ b/apps/files_versions/lib/versions.php
@@ -94,10 +94,12 @@ class Storage {
 			if ($uid == \OCP\User::getUser()) {
 				$versionsName=\OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath($filename);
 				$matches=glob($versionsName.'.v*');
-				sort($matches);
-				$parts=explode('.v',end($matches));
-				if((end($parts)+Storage::DEFAULTMININTERVAL)>time()) {
-					return false;
+				if ( $matches ) {
+					sort($matches);
+					$parts=explode('.v',end($matches));
+					if((end($parts)+Storage::DEFAULTMININTERVAL)>time()) {
+						return false;
+					}
 				}
 			}
 
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