these 2 derivations will be built:
  /nix/store/w6fwzm6fk5mcrzyyav98bh9fk5fra61l-sops-secret-files-by-host.json.drv
  /nix/store/fyib0snjlypakx8iqx91p23wl9z3l4zk-sops-check.drv