{pkgs, ...}: { programs = { gamescope = { enable = true; capSysNice = true; }; steam = { enable = true; gamescopeSession.enable = true; }; }; hardware.xone.enable = true; environment = { systemPackages = pkgs.mangohud; loginShellInit = '' [[ "$(tty)" = "/dev/tty1" ]] && ./gs.sh ''; }; }