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-RuwIS+QKFj/T9M2TFXScjBsLR6V3A17YVoEW/Q6AZ1w=" fi use flake # a comment in an unrelated file...