{
  inputs,
  config,
  lib,
  ...
}: let
  inherit (lib.strings) optionalString versionAtLeast;
in {
  nix = {
    nixPath = ["nixpkgs=${inputs.nixpkgs}"];
    extraOptions =
      optionalString
      (versionAtLeast config.nix.package.version "2.4") ''
        experimental-features = nix-command flakes
      '';
    settings.trusted-users = ["root" "@wheel"];
  };
  nixpkgs = {
    config = {
      allowUnfree = true;

      permittedInsecurePackages = [
      ];
    };
    overlays = [
      (import ../../overlay)

      inputs.vaultui.overlays.default
      inputs.musicutil.overlays.default
      inputs.gitlab_artifacts_sync.overlays.default
      inputs.gitlab_archiver.overlays.default
      inputs.piped-flake.overlays.default
    ];
  };
  environment.etc."nixpkgs-commit".text = inputs.nixpkgs-unstable.rev;
}