Make attachments cleanup optional

config/config.exs

@@ -271,7 +271,8 @@ config :pleroma, :instance,
   account_field_name_length: 512,
   account_field_value_length: 2048,
   external_user_synchronization: true,
-  extended_nickname_format: true
+  extended_nickname_format: true,
+  cleanup_attachments: false
 
 config :pleroma, :feed,
   post_title: %{

config/description.exs

@@ -764,6 +764,15 @@ config :pleroma, :config_description, [
           "Set to `true` to use extended local nicknames format (allows underscores/dashes)." <>
             " This will break federation with older software for theses nicknames."
       },
+      %{
+        key: :cleanup_attachments,
+        type: :boolean,
+        description: """
+        "Set to `true` to remove associated attachments when status is removed.
+        This will not affect duplicates and attachments without status.
+        Enabling this will increase load to database when deleting statuses on larger instances.
+        """
+      },
       %{
         key: :max_pinned_statuses,
         type: :integer,