{ config, pkgs, inputs, lib, nixpkgs-nixos-unstable-and-unfree, ... }: {
  networking.hostName = "foureighty";

  imports = [
    inputs.nixos-hardware.nixosModules.lenovo-thinkpad-t480
    ./hardware-configuration.nix
    ./thermal.nix
    ../../backups.nix
    ../../boot.nix
    ../../distributed-builds.nix
    ../../gfx-intel-dri2.nix
    ../../git
    ../../gnome
    ../../gui
    ../../libvirt.nix
    ../../mercurial
  ];

  fileSystems."/" = { options = [ "compress=zstd" ]; };

  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
  boot.kernelPackages = pkgs.linuxPackages_latest;
  boot.plymouth = {
    enable = true;
    logo = ./boot.png;
  };

  zramSwap = {
    enable = true;
    algorithm = "zstd";
    memoryPercent = 75;
  };

  time.timeZone = "Europe/London";

  virtualisation.kvmgt = {
    enable = true;
    device = "0000:00:02.0";
  };
  hardware.trackpoint.enable = true;
  services.hardware.bolt.enable = true;
  hardware.video.hidpi.enable = lib.mkDefault true;

  services.xserver = {
    libinput = {
      enable = true;
      touchpad = {
        tapping = true;
        naturalScrolling = false;
        middleEmulation = false;
        disableWhileTyping = true;
        buttonMapping = "1 0 3 4 5 6 7 8 9 10";
      };
      mouse = {
        middleEmulation = false;
        buttonMapping = "1 0 3 4 5 6 7 8 9 10";
      };
    };
  };
  services.fprintd = { enable = true; };
  programs.ccache.enable = true;
  hardware.opengl.extraPackages = with pkgs; [ libva ];
  programs.steam.enable = true;
  nixpkgs.config.allowUnfreePredicate = pkg:
    builtins.elem (lib.getName pkg) [
      "steam"
      "steam-original"
      "steam-runtime"
      "steam-run"
    ];

  home-manager.users.cyryl = { ... }: {
    imports = [ ../../home-manager/programs/alacritty.nix ];
    home.packages = [
      inputs.nixpkgs-nixos-unstable.legacyPackages."x86_64-linux".bisq-desktop
    ];
  };
}