{ lib, pkgs, modulesPath, ... }:

# Most of the filesystems listed here are supposed to be overriden to default
# settings of whatever image format configuration this host system will import
# from nixos-generators.
{
  imports = [
    (modulesPath + "/installer/scan/not-detected.nix")
    (modulesPath + "/profiles/qemu-guest.nix")
  ];

  boot.loader.grub.device = "/dev/sda";
  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "xen_blkfront" "vmw_pvscsi" ];
  boot.initrd.kernelModules = [ "nvme" ];

  fileSystems."/" = lib.mkOverride 2000 {
    label = "nixos";
    fsType = "ext4";
    options = [ "defaults" ];
  };

  fileSystems."/boot" = lib.mkOverride 2000 {
    label = "boot";
    fsType = "vfat";
  };

  zramSwap.enable = true;
  swapDevices = [{
    label = "swap";
    options = [ "defaults" ];
    priority = 5;
  }];
}