{ config, pkgs, ... }: { services.xidlehook = { enable = true; not-when-audio = true; not-when-fullscreen = true; environment = { "PRIMARY_DISPLAY" = "$(${pkgs.xorg.xrandr} | awk '/ primary/{print $1}')"; }; timers = [ { delay = 60; command = ''${pkgs.xorg.xrandr} --output "$PRIMARY_DISPLAY" --brightness .1''; canceller = ''${pkgs.xorg.xrandr} --output "$PRIMARY_DISPLAY" --brightness 1''; } { delay = 240; command = "${pkgs.writeShellScript "my-script" '' ${pkgs.xorg.xrandr}/bin/xrandr --output "$PRIMARY_DISPLAY" --brightness 1 ${pkgs.xorg.xrandr}/bin/xrandr --auto systemctl suspend ''}"; } ]; }; }