helm/modules/hardware/nvidia.nix

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{ options, config, lib, pkgs, ... }:
with lib;
with lib.my;
let cfg = config.modules.hardware.nvidia;
in {
options.modules.hardware.nvidia = {
enable = mkBoolOpt false;
};
config = mkIf cfg.enable {
hardware.opengl.enable = true;
services.xserver.videoDrivers = [ "nvidia" ];
environment.systemPackages = with pkgs; [
# Respect XDG conventions, damn it!
(writeScriptBin "nvidia-settings" ''
#!${stdenv.shell}
mkdir -p "$XDG_CONFIG_HOME/nvidia"
exec ${config.boot.kernelPackages.nvidia_x11.settings}/bin/nvidia-settings --config="$XDG_CONFIG_HOME/nvidia/settings"
'')
];
};
}