{
  inputs,
  lib,
  self,
  ...
}: let
  inherit (inputs.nixpkgs.lib) nixosSystem;
  inherit (lib.modules) mkDefault;
  inherit (lib.strings) removeSuffix;
  inherit (self.modules) mapModules;
in rec {
  mkHost = path: {
    system,
    pkgsFor,
    ...
  }:
    nixosSystem {
      inherit system;

      specialArgs = { inherit lib inputs system; };

      modules = [
        {
          nixpkgs.pkgs = pkgsFor.${system};
          nixpkgs.hostPlatform = lib.mkDefault system;
          networking.hostName =
            mkDefault (removeSuffix ".nix" (baseNameOf path));
        }
        ../. # /default.nix
        (import path)
      ];
    };

  mapHosts = dir: attrs:
    mapModules dir (hostPath:
      let
        metaPath = "${hostPath}/meta.nix";
        meta = import metaPath;
      in
        mkHost hostPath (attrs // meta)
      );
}