From 2edbb7d4bd65db3aae4c2243da58c987087d32a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Schie=C3=9Fle?= <schiessle@owncloud.com>
Date: Fri, 15 Apr 2016 10:52:53 +0200
Subject: [PATCH] if share-permissions exists we use this information as
 indicator to check if the file has changed or not

---
 lib/private/files/storage/dav.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/private/files/storage/dav.php b/lib/private/files/storage/dav.php
index a5555372250..8eebea1f3ba 100644
--- a/lib/private/files/storage/dav.php
+++ b/lib/private/files/storage/dav.php
@@ -742,6 +742,9 @@ class DAV extends Common {
 				}
 				if (!empty($etag) && $cachedData['etag'] !== $etag) {
 					return true;
+				} else if (isset($response['{http://open-collaboration-services.org/ns}share-permissions'])) {
+					$sharePermissions = (int)$response['{http://open-collaboration-services.org/ns}share-permissions'];
+					return $sharePermissions !== $cachedData['permissions'];
 				} else if (isset($response['{http://owncloud.org/ns}permissions'])) {
 					$permissions = $this->parsePermissions($response['{http://owncloud.org/ns}permissions']);
 					return $permissions !== $cachedData['permissions'];