if ! has nix_direnv_version || ! nix_direnv_version 3.0.5; then source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.5/direnvrc" "sha256-zelF0vLbEl5uaqrfIzbgNzJWGmLzCmYAkInj/LNxvKs=" fi watch_file flake.nix watch_file flake.lock if ! use flake . --impure then echo "Flake could not be used... something is broken :(" >&2 fi