default.nix

{
  system ? builtins.currentSystem,
}:
let
  rootDirectory = ./.;
in
(import
  (
    let
      lock = builtins.fromJSON (builtins.readFile "${rootDirectory}/flake.lock");
      locked = lock.nodes.flake-compat.locked;
    in
    fetchTarball {
      url = "https://github.com/${locked.owner}/${locked.repo}/archive/${locked.rev}.tar.gz";
      sha256 = locked.narHash;
    }
  )
  {
    src = rootDirectory;
    inherit system;
  }
).defaultNix.legacyPackages.${system}