From d980362a95d5f2ac3af8122d521e445271a8afb6 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Fri, 12 Mar 2021 10:34:59 -0800
Subject: [PATCH] nixos/factorio: add nonBlockingSaving option

---
 nixos/modules/services/games/factorio.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/nixos/modules/services/games/factorio.nix b/nixos/modules/services/games/factorio.nix
index 73099ae3363..a1aa5739d06 100644
--- a/nixos/modules/services/games/factorio.nix
+++ b/nixos/modules/services/games/factorio.nix
@@ -36,6 +36,7 @@ let
     only_admins_can_pause_the_game = true;
     autosave_only_on_server = true;
     admins = [];
+    non_blocking_saving = cfg.nonBlockingSaving;
   } // cfg.extraSettings;
   serverSettingsFile = pkgs.writeText "server-settings.json" (builtins.toJSON (filterAttrsRecursive (n: v: v != null) serverSettings));
   modDir = pkgs.factorio-utils.mkModDirDrv cfg.mods;
@@ -193,6 +194,15 @@ in
           Autosave interval in minutes.
         '';
       };
+      nonBlockingSaving = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Highly experimental feature, enable only at your own risk of losing your saves.
+          On UNIX systems, server will fork itself to create an autosave.
+          Autosaving on connected Windows clients will be disabled regardless of autosave_only_on_server option.
+        '';
+      };
     };
   };