nixconfig/lib/default.nix

{ lib, ... }:
let
  modules = lib.mapAttrs
    (file: _: import ./${file} { inherit lib; })
    (lib.filterAttrs
      (name: type:
        type == "regular" && name != "default.nix")
      (builtins.readDir ./.));
in
with lib;
foldr (a: b: a // b) { } (attrValues modules)