{
  outputs = { self, nixpkgs, ... }: let
    lib = nixpkgs.lib;

    scan = base: lib.attrsets.mapAttrs' (name: _: {
      name = lib.strings.removeSuffix ".nix" (builtins.baseNameOf name);
      value = import "${base}/${name}";
    }) (builtins.readDir base);

    packages = let
      packages = scan ./packages;
    in system: pkgs: builtins.mapAttrs (_: fn: pkgs.callPackage fn {}) packages;
  in {
    packages = builtins.mapAttrs packages nixpkgs.legacyPackages;
  };
}