feat: simplify flake.nix

modules/nixos/proxmox-hardware-configuration.nix

@@ -1,24 +1,28 @@
-{ config, lib, ... }:
-
+{
+  config,
+  lib,
+  username,
+  ...
+}:
 ##############################################################################
 #
 #  Template for Proxmox's VM, mainly based on:
 #    https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/virtualisation/proxmox-image.nix
 #
 #  the url above is used by `nixos-generator` to generate the Proxmox's VMA image file.
-# 
+#
 ##############################################################################
-
 {
-
   # DO NOT promote ryan to input password for sudo.
   # this is a workaround for the issue of remote deploy:
   #   https://github.com/NixOS/nixpkgs/issues/118655
   security.sudo.extraRules = [
-    { users = [ "ryan" ];
+    {
+      users = [ username ];
       commands = [
-        { command = "ALL" ;
-          options = [ "NOPASSWD" ];
+        {
+          command = "ALL";
+          options = ["NOPASSWD"];
         }
       ];
     }
@@ -27,7 +31,7 @@
   boot = {
     # after resize the disk, it will grow partition automatically.
     growPartition = true;
-    kernelParams = [ "console=ttyS0" ];
+    kernelParams = ["console=ttyS0"];
     loader.grub = {
       device = "/dev/vda";
 
@@ -36,8 +40,8 @@
       efiInstallAsRemovable = false;
     };
 
-    loader.timeout = 3;  # wait for 3 seconds to select the boot entry
-    initrd.availableKernelModules = [ "uas" "virtio_blk" "virtio_pci" ];
+    loader.timeout = lib.mkForce 3; # wait for 3 seconds to select the boot entry
+    initrd.availableKernelModules = ["uas" "virtio_blk" "virtio_pci"];
   };
 
   fileSystems."/" = {
@@ -47,7 +51,6 @@
   };
   # we do not have a /boot partition, so do not mount it.
 
-
   # it alse had qemu-guest-agent installed by default.
   services.qemuGuest.enable = lib.mkDefault true;
 }