{ pkgs, lib }:

pkgs.stdenv.mkDerivation rec {
  pname = "languagetool-ngrams";
  version = "20150817";
  language = "en";

  src = builtins.fetchurl {
    url = "https://languagetool.org/download/ngram-data/ngrams-${language}-${version}.zip";
    sha256 = "10e548731d9f58189fc36a553f7f685703be30da0d9bb42d1f7b5bf5f8bb232c";
  };

  doCheck = false;

  dontUnpack = true;

  installPhase = ''
    install -D $src $out/ngrams
    chmod a+x $out/ngrams
  '';

  meta = with lib; {
    homepage = "https://dev.languagetool.org/finding-errors-using-n-gram-data.html";
    description = "LanguageTool can make use of large n-gram data sets to detect errors with words that are often confused, like their and there.";
    platforms = platforms.linux;
    license = licenses.cc-by-sa-40;
  };
}