waybar: the systemd unit is coming from the package now

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

{

  lib,

  pkgs,

  config,

  ...

}:

let

  cfg = config.programs.waybar;

  config = lib.mkIf cfg.enable {

    environment.systemPackages = [ cfg.package ];

    systemd.user.services.waybar = {

      description = "Waybar as systemd service";

      wantedBy = [ "graphical-session.target" ];

      partOf = [ "graphical-session.target" ];

      script = "${cfg.package}/bin/waybar";

    systemd = {

      packages = [ cfg.package ];

      user.services.waybar.wantedBy = [ "graphical-session.target" ];

    };

  };