{
  inputs,
  config,
  lib,
  ...
}: {
  nix = {
    nixPath = ["nixpkgs=${inputs.nixpkgs}"];
    extraOptions =
      lib.optionalString
      (lib.versionAtLeast config.nix.package.version "2.4") ''
        experimental-features = nix-command flakes
      '';
    settings.trusted-users = ["root" "@wheel"];
  };
  nixpkgs = {
    config = {allowUnfree = true;};
    overlays = [
      (import ../../overlay)
      inputs.musicutil.overlay
      inputs.gitlab_artifacts_sync.overlay
      inputs.gitlab_archiver.overlay
      inputs.deploy-rs.overlay
    ];
  };
  environment.etc."nixpkgs-commit".text = inputs.nixpkgs-unstable.rev;
}