fixed btrfs support configs and swap

hosts/buildbox/hardware-configuration.nix

@@ -1,33 +1,17 @@
-# Hardware profile for buildbox (QEMU/KVM VM).
-#
-# Filesystems, swap, and boot-related disk config are intentionally NOT
-# declared here — they are owned by disko via ./disko-config.nix, which
-# sets config.fileSystems / config.swapDevices / config.boot when
-# disko.enableConfig = true (the default). Keep this file limited to
-# kernel modules and platform settings that disko does not manage.
-#
-# This file is still regenerated by `nixos-anywhere --generate-hardware-config
-# nixos-generate-config ./hosts/buildbox/hardware-configuration.nix`, so any
-# hand-edits here may be overwritten on the next install. The disko-owned
-# filesystem entries below are stripped on purpose; do not re-add them.
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
 {
-  config,
-  lib,
-  pkgs,
-  modulesPath,
-  ...
-}: {
-  imports = [
-    (modulesPath + "/profiles/qemu-guest.nix")
-  ];
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
 
-  boot.initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "nvme" "uas" "sd_mod"];
-  boot.initrd.kernelModules = ["btrfs"];
-  boot.kernelModules = [];
-  boot.extraModulePackages = [];
-
-  networking.useDHCP = lib.mkDefault true;
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-}
+}