these 2 derivations will be built:
  /nix/store/5lkjpm0a0d95lnj92h4n5mgkxpymsss6-sops-secret-files-by-host.json.drv
  /nix/store/py9lj3j2ipzmm0alwihz56ipgv27v7vi-sops-check.drv