{
  lib,
  config,
  ...
}:
{

  # disko.devices.disk.main.device = "/dev/vda";
  options.internal.disko.default.enable = lib.mkEnableOption "";
  config = lib.mkIf config.internal.disko.default.enable {
    boot.loader.grub.efiSupport = lib.mkDefault true;
    boot.loader.grub.efiInstallAsRemovable = lib.mkDefault true;
    disko.devices = {
      disk = {
        "main" = {
          # suffix is to prevent disk name collisions
          name = "main-" + config.networking.hostName;
          type = "disk";
          # device = <uuid>;
          content = {
            type = "gpt";
            partitions = {
              "boot" = {
                size = "1M";
                type = "EF02"; # for grub MBR
                priority = 1;
              };
              "ESP" = {
                size = "512M";
                type = "EF00";
                content = {
                  type = "filesystem";
                  format = "vfat";
                  mountpoint = "/boot";
                  mountOptions = [ "nofail" ];
                };
              };
              "root" = {
                size = "100%";
                content = {
                  type = "filesystem";
                  format = "ext4";
                  mountpoint = "/";
                };
              };
            };
          };
        };
      };
    };
  };
}