grimm-nixos-laptop/common/localisation.nix

{ config, lib, ... }:
let
  cfg = config.grimmShared;
in
{
  config =
    with cfg;
    lib.mkIf (enable && locale) {
      time.timeZone = "Europe/Berlin";

      # Select internationalisation properties.
      i18n.defaultLocale = "en_US.UTF-8";

      i18n.extraLocaleSettings = {
        LC_ADDRESS = "de_DE.UTF-8";
        LC_IDENTIFICATION = "de_DE.UTF-8";
        LC_MEASUREMENT = "de_DE.UTF-8";
        LC_MONETARY = "de_DE.UTF-8";
        LC_NAME = "de_DE.UTF-8";
        LC_NUMERIC = "de_DE.UTF-8";
        LC_PAPER = "de_DE.UTF-8";
        LC_TELEPHONE = "de_DE.UTF-8";
        LC_TIME = "de_DE.UTF-8";
      };

      console.keyMap = "de";

      services.xserver.xkb = {
        layout = "de";
        variant = "";
      };
    };

  options.grimmShared.locale = lib.mkEnableOption "Sets german units but english language";
}