{ pkgs, lib, ... }: let folder = ./.; toImport = name: value: folder + ("/" + name); filterCaches = key: value: value == "regular" && lib.hasSuffix ".nix" key && key != "default.nix"; imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder)); in { inherit imports; nix.settings.substituters = ["https://cache.nixos.org/"]; }