Switchable Hardware Configuration

- Move generated hardware-configuration.nix files to hardware folder
- Add flake.nix option to select which hardware configuration to use

flake.nix

@@ -26,6 +26,7 @@
         locale = "en_US.UTF-8";                # Locale
         diskoConfig = "luks-btrfs-subvolumes"; # Select the disko config that was used to partition drive
         desktopEnvironment = "gnome";          # Window Manager / Desktop Environment to use
+        hardwareConfiguration = "qemu-vm";     # Select the hardware config from hardware directory
       };
 
       # --- USER SETTINGS --- #

hardware/qemu-vm.nix

@@ -0,0 +1,24 @@
+# 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, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with 'networking.interfaces.<interface>.useDHCP'.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

profiles/personal/configuration.nix

@@ -6,7 +6,7 @@
 
 {
   imports = [
-    ../../system/hardware-configuration.nix
+    (./. + "../../hardware" + ("/" + systemSettings.hardwareConfiguration) + ".nix")
     ../../system/hardware/kernel.nix
     ../../system/hardware/bluetooth.nix
     ../../system/hardware/opengl.nix