temp

modules/nixos/disko/options.nix

@@ -0,0 +1,7 @@
+{ lib, namespace, ... }:
+with lib;
+{
+  options.${namespace}.hardware.disko = {
+    enable = mkEnableOption "enable disko";
+  };
+}

modules/nixos/disko/x86_64-linux/default.nix

@@ -1,10 +1,13 @@
-{ config, lib, system, ... }:
+{ config, lib, system, namespace, ... }:
 let
+  cfg = config.${namespace}.hardware.disko;
   isArm = builtins.match "aarch64*" system != null;
   rootDisk = "/dev/nvme0n1";
 in
 {
-  config = lib.mkIf (!isArm) {
+  imports = [ ../options.nix ];
+
+  config = lib.mkIf (cfg.enable && !isArm) {
     disko.devices = {
       nodev."/" = {
         fsType = "tmpfs";