{
  pkgs,
  lib,
  config,
  ...
}: let
  inherit (lib) mkEnableOption mkOption types;
  cfg = config.programs.meat;
in {
  options.programs.meat = {
    enable = mkEnableOption "meat";
    flake = mkOption {
      type = with types; nullOr (either path str);
      default = null;
      description = "path to your system flake";
    };
  };
  config = let
    inherit (pkgs) meat nh lix;
  in
    lib.mkIf
    cfg.enable
    {
      environment.systemPackages = [meat nh lix];
      environment.sessionVariables.NH_FLAKE =
        if (cfg.flake == null)
        then abort "Please set the programs.meat.flake option to your system flake."
        else config.programs.meat.flake;
    };
}