nixos/kmonad: avoid running an unnecessary bash

  config,

  lib,

  pkgs,

  utils,

  ...

}:

  # Build a systemd service that starts KMonad:

  mkService =

    keyboard:

    let

      cmd =

        [

          (lib.getExe cfg.package)

        ]

        ++ cfg.extraArgs

        ++ [ "${mkCfg keyboard}" ];

    in

    lib.nameValuePair (mkName keyboard.name) {

      description = "KMonad for ${keyboard.device}";

      script = lib.escapeShellArgs cmd;

      unitConfig = {

        # Control rate limiting.

        # Stop the restart logic if we restart more than

        StartLimitBurst = 5;

      };

      serviceConfig = {

        ExecStart = ''

          ${lib.getExe cfg.package} ${mkCfg keyboard} \

            ${utils.escapeSystemdExecArgs cfg.extraArgs}

        '';

        Restart = "always";

        # Restart at increasing intervals from 2s to 1m

        RestartSec = 2;

    machine = {

      services.kmonad = {

        enable = true;

        extraArgs = [

          "--log-level=debug"

        ];

        keyboards = {

          defaultKbd = {

            device = "/dev/input/by-id/vm-default-kbd";