{ config, pkgs, lib, inputs, ... }: { nix.settings.experimental-features = [ "nix-command" "flakes" ]; nixpkgs.config.allowUnfree = true; nix.gc = { automatic = true; dates = "weekly"; options = "--delete-older-than 7d"; }; programs.nix-ld.enable = true; services.envfs.enable = true; security.polkit.enable = true; environment.variables = { SSL_CERT_FILE = "/etc/ssl/certs/ca-certificates.crt"; NIX_SSL_CERT_FILE = "/etc/ssl/certs/ca-certificates.crt"; }; }