nixos-config/lib/fetchers/fetch-internet-archive/default.nix

{ stdenvNoCC, lib, fetchzip, fetchurl, curl }:

{ id, file ? "", formats ? [ ], hash ? "", name ? "internet-archive-${id}",
}@args:

let
  isFormatIndiciated = formats != [ ];
  url = if isFormatIndiciated then
    "https://archive.org/compress/${lib.escapeURL id}/formats=${
      lib.concatStringsSep "," formats
    }"
  else
    "https://archive.org/download/${lib.escapeURL id}/${lib.escapeURL file}";

  args' = lib.removeAttrs args [ "id" "file" "formats" ] // {
    inherit url hash name;
  };

  fetcher = if isFormatIndiciated then fetchzip else fetchurl;
in fetcher args'