{ lib, ... }:
{
  imports =
    let
      shellFiles = builtins.filter (file: builtins.match ".*\\.nix" file != null) (
        builtins.attrNames (builtins.readDir ./shell)
      );
    in
    map (file: ./shell/${file}) shellFiles;
  my.shell = {
    exercism.enable = lib.mkDefault false;
    multimedia.enable = lib.mkDefault false;
    tools.enable = lib.mkDefault false;
  };
}