# the development environment switcher { config, lib, ... }: { options.development.direnv = { enable = lib.mkEnableOption "Enables direnv."; package = lib.mkOption { type = lib.types.package; readOnly = true; default = config.programs.direnv.package; description = "The direnv package to use."; }; }; config = lib.mkIf config.development.direnv.enable { programs.direnv = { enable = true; enableZshIntegration = true; enableBashIntegration = true; nix-direnv = { enable = true; }; }; }; }