{ nixpkgs }:

let
  mkHost = system: hostname: modules: {
    "${hostname}" = nixpkgs.lib.nixosSystem {
      inherit system;
      modules = [ ../modules ../users ] ++ modules;
      specialArgs = {
        inherit hostname nixpkgs;
      };
    };
  };

  inherit (nixpkgs.lib.attrsets)
    mergeAttrsList;
  inherit (builtins)
    concatLists
    attrValues
    mapAttrs
    map;

  hosts = systemsHosts:
    mergeAttrsList
      (concatLists
        (attrValues
          (mapAttrs
            (system: hostnames:
              map (h: mkHost system h [./${h}]) hostnames)
            systemsHosts)));
  
  hostsImport = file:
    import file {
      inherit nixpkgs mkHost hosts;
    };
in
hosts {
  "x86_64-linux" = [
    "thyme"
  ];
} //
hostsImport ./ades