{ config, lib, ... }: let cfg = config.nmasur.presets.programs.direnv; in { options.nmasur.presets.programs.direnv.enable = lib.mkEnableOption "Direnv project-level shells"; config = lib.mkIf cfg.enable { # Enables quickly entering Nix shells when changing directories programs.direnv = { enable = true; nix-direnv.enable = true; }; }; }