nixos/greetd: avoid systemd boot messages interrupt greetd (#433962)

        because every greetd restart will trigger the autologin again.

      '';

    };

    useTextGreeter = lib.mkOption {

      type = lib.types.bool;

      default = false;

      description = ''

        Whether the greeter uses text-based user interfaces (For example, tuigreet).

        When set to true, some systemd service configuration will be adjusted to avoid systemd boot messages interrupt TUI.

      '';

    };

  };

  config = lib.mkIf cfg.enable {

        KeyringMode = "shared";

        Type = "idle";

      };

      }

      // (lib.optionalAttrs cfg.useTextGreeter {

        StandardInput = "tty";

        StandardOutput = "tty";

        # Without this errors will spam on screen

        StandardError = "journal";

        # Without these bootlogs will spam on screen

        TTYPath = "/dev/tty1";

        TTYReset = true;

        TTYVHangup = true;

        TTYVTDisallocate = true;

      });

      # Don't kill a user session when using nixos-rebuild

      restartIfChanged = false;