Expose `skip_thread_containment` in nodeinfo

CHANGELOG.md

@@ -17,6 +17,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Changed
 - Configuration: Filter.AnonymizeFilename added ability to retain file extension with custom text
 
+### Changed
+- NodeInfo: Return `skipThreadContainment` in `metadata` for the `skip_thread_containment` option
+
 ## [1.0.0] - 2019-06-29
 ### Security
 - Mastodon API: Fix display names not being sanitized

lib/pleroma/web/nodeinfo/nodeinfo_controller.ex

@@ -162,7 +162,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         accountActivationRequired: Config.get([:instance, :account_activation_required], false),
         invitesEnabled: Config.get([:instance, :invites_enabled], false),
         features: features,
-        restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames])
+        restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames]),
+        skipThreadContainment: Config.get([:instance, :skip_thread_containment], false)
       }
     }
   end