these 2 derivations will be built:
  /nix/store/2am1ilhl5s7dihcbgry6j5s92n4pz17h-sops-secret-files-by-host.json.drv
  /nix/store/k4cr609j1vvq1yaky9z4l75djnl1av5f-sops-check.drv