autoupdate flake

modules/nixos/system/autoUpgrade/default.nix

@@ -0,0 +1,33 @@
+{
+  options,
+  config,
+  pkgs,
+  lib,
+  inputs,
+  ...
+}:
+with lib;
+with lib.wyrdgard;
+let
+  cfg = config.wyrdgard.system.autoUpgrade;
+in
+{
+  options.wyrdgard.system.autoUpgrade = with types; {
+    enable = mkEnableOption "Enable auto-upgrade";
+    time = mkOpt str "02:00" "Time to run auto-upgrade";
+  };
+
+  config = mkIf cfg.enable {
+    system.autoUpgrade = {
+      enable = true;
+      flake = inputs.self.outPath;
+      flags = [
+        "--update-input"
+        "nixpkgs"
+        "--print-build-logs"
+      ];
+      dates = cfg.time;
+      randomizedDelaySec = "45min";
+    };
+  };
+}