{ config, lib, pkgs, ... }: { nix.settings.experimental-features = "nix-command flakes"; nixpkgs.flake = { source = lib.cleanSource pkgs.path; setNixPath = true; setFlakeRegistry = true; }; nix.nixPath = [ "nixpkgs=flake:nixpkgs" ]; nixpkgs.config.allowUnfree = true; }