Announce resharing as false in capabilities

changelog/unreleased/storage-disable-resharing.md

@@ -0,0 +1,5 @@
+Bugfix: Don't announce resharing via capabilities
+
+oCIS / Reva is not capable of resharing, yet. We've set the resharing capability to false, so that clients have a chance to react accordingly.
+
+https://github.com/owncloud/ocis/pull/2690

storage/pkg/command/frontend.go

@@ -244,7 +244,7 @@ func frontendConfigFromStruct(c *cli.Context, cfg *config.Config, filesCfg map[s
 							"dav":   map[string]interface{}{},
 							"files_sharing": map[string]interface{}{
 								"api_enabled":                       true,
-								"resharing":                         true,
+								"resharing":                         false,
 								"group_sharing":                     true,
 								"auto_accept_share":                 true,
 								"share_with_group_members_only":     true,