nixos-configs/modules/beatific.nix

{ config, lib, pkgs, ... }:

let
  inherit (lib) mkIf mkMerge mkOption types;
  cfg = config.beatific;
in {
  options = {
    beatific = {
      hostName = mkOption {
        type = types.str;
        description = "Hostname";
      };

      defaults = {
        time = mkOption {
          type = types.bool;
          description = "Default time zone and NTP";
          default = true;
        };
      };
    };
  };

  config = mkMerge [
    {
      networking.hostName = cfg.hostName;

      nix.extraOptions = "experimental-features = nix-command flakes";
    }
    (mkIf cfg.defaults.time {
      time.timeZone = "UTC";
      services.ntp.enable = true;
      services.ntp.servers = [ "time.nist.gov" ];
    })
  ];
}