{
  config,
  lib,
  ...
}:
# Tools for developing this monorepo.
let
  cfg = config.modules.monorepo;
in
{
  options.modules.monorepo.enable = lib.mkEnableOption "tools for developing this monorepo";

  config = lib.mkIf cfg.enable {
    modules.shell.bazel.enable = true;
    modules.shell.python.enable = true;
    modules.shell.rust.enable = true;
  };
}