oizys/modules/desktop/lock/default.nix

{
  pkgs,
  config,
  lib,
  ...
}: let
  inherit (lib) mkIf;
  cfg = config.services.xserver.windowManager.qtile;
  lock = pkgs.writeShellApplication {
    name = "lock";
    runtimeInputs = with pkgs; [i3lock-color figlet procps];
    text = builtins.readFile ./lock.sh;
  };
in {
  config = mkIf cfg.enable {
    environment.systemPackages = with pkgs; [
      xss-lock
      lock
    ];

    systemd.services.i3lock = {
      wantedBy = ["sleep.target"];
      description = "Lock the screen using a custom lock script";
      before = ["suspend.target"];
      serviceConfig = {
        User = "daylin";
        Type = "forking";
        Environment = "DISPLAY=:0";
        ExecStart = "${lock}/bin/lock";
      };
    };
  };
}