nix-configs/nixos-modules/common.nix

{ lib, ... }:
{
  imports = lib.pipe ./common [
    builtins.readDir
    (lib.filterAttrs (k: v: v == "regular" && lib.hasSuffix ".nix" k))
    builtins.attrNames
    (builtins.map (n: ./common/${n}))
  ];
}