bruh idk how to get it to run

cuda.nix

{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    parts.url = "github:hercules-ci/flake-parts";
    nixgl.url = "github:nix-community/nixgl";
  };

  outputs = inputs @ { self, nixpkgs, parts, nixgl }: parts.lib.mkFlake { inherit inputs; } {
    systems = [ "aarch64-darwin" "x86_64-darwin" "x86_64-linux" ];

    perSystem = { system, pkgs, ... }: {
      _module.args.pkgs = import nixpkgs {
        inherit system;
        overlays = [ nixgl.overlay ];
        config = {
          allowUnfree = true;
          cudaSupport = true;
        };
      };

      packages.default =
        let
          # https://github.com/nix-community/nixgl/blob/dd3ba2637f626086a24fba3f8de2805a77a9b00c/README.md#usage
          wrap = binary: drv: pkgs.symlinkJoin {
            name = "${drv.name}-nixglwrapped";
            paths = [ drv ];
            nativeBuildInputs = [ pkgs.makeWrapper ];
            postBuild = ''
              # This will break if wrapProgram is ever changed, so fingers crossed
              makeShellWrapper() {
                local original="$1"
                local wrapper="$2"
                cat << EOF > "$wrapper"
              #! ${pkgs.bash}/bin/bash -e
              exec "${pkgs.nixgl.auto.nixGLDefault}/bin/nixGL" "$original"
              EOF
                chmod +x "$wrapper"
              }

              wrapProgram "$out/bin/${binary}"
            '';
          };
        in
        wrap "hello" pkgs.hello;

      devShells.default = pkgs.mkShell {
        packages = with pkgs; [ nvtopPackages.full cudaPackages.cuda_cccl.dev ];

        shellHook = ''
          export CUDA_PATH=${pkgs.cudaPackages.cudatoolkit}
          export LD_LIBRARY_PATH=${pkgs.lib.makeLibraryPath (with pkgs; [ cudaPackages.cudatoolkit linuxPackages.nvidia_x11])}:$LD_LIBRARY_PATH
          export EXTRA_LDFLAGS="-L/lib -L${pkgs.linuxPackages.nvidia_x11}/lib"
          export EXTRA_CCFLAGS="-I/usr/include"
        '';
      };

      formatter = pkgs.nixpkgs-fmt;
    };
  };
}