nix-infra/config/hosts/torrent/jackett.nix

{ nixpkgs-unstable, ... }:
{
  services.jackett = {
    enable = true;
    # use package from unstable to work around faulty test in older jackett version
    package = nixpkgs-unstable.legacyPackages."x86_64-linux".jackett;
  };
}