these 2 paths will be fetched (0.0 KiB download, 31.0 MiB unpacked):
  /nix/store/68iqprsgbikq63hms6f4d0lf1b0i3rdl-libfprint-1.94.100
  /nix/store/qj1v2xgxlyl6d84a7g0z9h4bfqmdmsf0-libfprint-focaltech-1.94.9