don't overwrite the etag from storage backends that already provide "good" etags

Signed-off-by: Robin Appelman <robin@icewind.nl>

1 files changed, 2 insertions, 1 deletions

diff --git a/apps/files_sharing/lib/External/Storage.php b/apps/files_sharing/lib/External/Storage.php
index ffa5fb8716d..b301d2fcc9d 100644
--- a/apps/files_sharing/lib/External/Storage.php
+++ b/apps/files_sharing/lib/External/Storage.php
@@ -43,12 +43,13 @@ use OCP\Constants;
 use OCP\Federation\ICloudId;
 use OCP\Files\NotFoundException;
 use OCP\Files\Storage\IDisableEncryptionStorage;
+use OCP\Files\Storage\IReliableEtagStorage;
 use OCP\Files\StorageInvalidException;
 use OCP\Files\StorageNotAvailableException;
 use OCP\Http\Client\LocalServerException;
 use OCP\Http\Client\IClientService;
 
-class Storage extends DAV implements ISharedStorage, IDisableEncryptionStorage {
+class Storage extends DAV implements ISharedStorage, IDisableEncryptionStorage, IReliableEtagStorage {
 	/** @var ICloudId */
 	private $cloudId;
 	/** @var string */