if ! has nix_direnv_version || ! nix_direnv_version 3.0.6; then source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.6/direnvrc" "sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM=" fi watch_file flake.nix if ! use flake . then echo "development shell could not be built. The nix environment was not loaded." >&2 fi