Revert "fix permissions of mountpoints - take 2"

apps/files_sharing/tests/SharedStorageTest.php

@@ -207,11 +207,10 @@ class SharedStorageTest extends TestCase {
 		$this->assertTrue(\OC\Files\Filesystem::is_dir($this->folder));
 
 		// for the share root we expect:
-		// the read permissions
-		// the delete permission, to enable unshare
-		// the update permission, to enable moving the share
+		// the read permissions (1)
+		// the delete permission (8), to enable unshare
 		$rootInfo = \OC\Files\Filesystem::getFileInfo($this->folder);
-		$this->assertSame(\OCP\Constants::PERMISSION_READ | \OCP\Constants::PERMISSION_DELETE | \OCP\Constants::PERMISSION_UPDATE, $rootInfo->getPermissions());
+		$this->assertSame(9, $rootInfo->getPermissions());
 
 		// for the file within the shared folder we expect:
 		// the read permissions (1)

lib/private/Files/View.php

@@ -1355,12 +1355,8 @@ class View {
 				return false;
 			}
 
-			if ($internalPath === '') {
-				if ($mount instanceof MoveableMount) {
-					$data['permissions'] = $data['permissions'] | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
-				} else {
-					$data['permissions'] = $data['permissions'] & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
-				}
+			if ($mount instanceof MoveableMount && $internalPath === '') {
+				$data['permissions'] |= \OCP\Constants::PERMISSION_DELETE;
 			}
 
 			$owner = $this->getUserObjectForOwner($storage->getOwner($internalPath));