{ lib
, stdenv
, fetchurl
, dpkg
, autoPatchelfHook
, cups
}:

stdenv.mkDerivation rec {
  pname = "rollo-cups-driver";
  version = "1.8.4-1";

  src = fetchurl {
    url = "https://rollo-main.b-cdn.net/driver-dl/linux/rollo-cups-driver_${version}_amd64.deb";
    # Rollo's CDN gates the download on a Referer header, so we have to pass
    # it through fetchurl's underlying curl call.
    curlOptsList = [ "-H" "Referer: https://www.rollo.com/driver-linux/" ];
    hash = "sha256-01SKxC5qPdfpMqsCR6UuogmvbrYwF7BI+C1ptURfNko="; # replace after first build, see notes below
  };

  nativeBuildInputs = [ dpkg autoPatchelfHook ];
  buildInputs = [ stdenv.cc.cc.lib cups ];

  unpackPhase = ''
    runHook preUnpack
    dpkg-deb -x $src debroot
    runHook postUnpack
  '';

  dontBuild = true;

  installPhase = ''
    runHook preInstall

    mkdir -p $out/lib/cups/filter
    mkdir -p $out/share/cups/model

    # Layout inside the .deb has moved around between Rollo releases, so
    # grab anything that looks like the filter binary or a PPD rather than
    # hardcoding one path.
    find debroot -type f \( -iname 'rastertorollo*' -o -iname 'rastertolabel*' \) \
      -exec install -m755 {} $out/lib/cups/filter/ \;

    find debroot -type f -iname '*.ppd' \
      -exec install -m644 {} $out/share/cups/model/ \;

    runHook postInstall
  '';

  # autoPatchelfHook rewrites the ELF interpreter/rpath to point at
  # $buildInputs in the Nix store instead of /lib64/ld-linux-x86-64.so.2
  # and the FHS lib paths the binary was linked against.

  meta = with lib; {
    description = "Rollo/Beeprt/JADENS proprietary CUPS raster filter for TSPL thermal label printers";
    homepage = "https://www.rollo.com/driver-linux/";
    license = licenses.unfree;
    platforms = [ "x86_64-linux" ];
    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
  };
}