final: prev: {
  nyastodon = final.callPackage ./nyastodon/default.nix {};
  upgrade-system = final.callPackage ./upgrade-system/default.nix {};
  update-nixfiles = final.callPackage ./update-nixfiles/default.nix {};
  build-worker-oci = final.callPackage ./build-worker-oci/default.nix {};
}