nixfiles/nixos/modules/server.nix

{ lib, pkgs, config, ... }:
let
  inherit (lib) mkIf mkDefault;
  inherit (lib.my) mkBoolOpt' mkDefault';

  cfg = config.my.server;
  uname = if config.my.user.enable then config.my.user.config.name else "root";
in
{
  options.my.server.enable = mkBoolOpt' false "Whether to enable common configuration for servers.";
  config = mkIf cfg.enable {
    services = {
      getty.autologinUser = mkDefault uname;
      kmscon.autologinUser = mkDefault uname;
      resolved.llmnr = mkDefault "false";
    };

    my = {
      gui.enable = false;
      user.homeConfig = {
        my.gui.enable = false;
      };
    };

    documentation.nixos.enable = mkDefault' false;

    environment.systemPackages = with pkgs; [
      tcpdump
    ];
  };

  meta.buildDocsInSandbox = false;
}