nixpkgs-suyu/pkgs/misc/cups/drivers/mfcl2750dw/default.nix

{ lib
, stdenv
, fetchurl
, dpkg
, autoPatchelfHook
, makeWrapper
, perl
, gnused
, ghostscript
, file
, coreutils
, gnugrep
, which
}:

let
  arches = [ "x86_64" "i686" "armv7l" ];

  runtimeDeps = [
    ghostscript
    file
    gnused
    gnugrep
    coreutils
    which
  ];
in

stdenv.mkDerivation rec {
  pname = "cups-brother-mfcl2750dw";
  version = "4.0.0-1";

  nativeBuildInputs = [ dpkg makeWrapper autoPatchelfHook ];
  buildInputs = [ perl ];

  dontUnpack = true;

  src = fetchurl {
    url = "https://download.brother.com/welcome/dlf103530/mfcl2750dwpdrv-${version}.i386.deb";
    hash = "sha256-3uDwzLQTF8r1tsGZ7ChGhk4ryQmVsZYdUaj9eFaC0jc=";
  };

  installPhase = ''
    runHook preInstall

    mkdir -p $out
    dpkg-deb -x $src $out

    # delete unnecessary files for the current architecture
  '' + lib.concatMapStrings (arch: ''
    echo Deleting files for ${arch}
    rm -r "$out/opt/brother/Printers/MFCL2750DW/lpd/${arch}"
  '') (builtins.filter (arch: arch != stdenv.hostPlatform.linuxArch) arches) + ''

      # bundled scripts don't understand the arch subdirectories for some reason
      ln -s \
        "$out/opt/brother/Printers/MFCL2750DW/lpd/${stdenv.hostPlatform.linuxArch}/"* \
        "$out/opt/brother/Printers/MFCL2750DW/lpd/"

      # Fix global references and replace auto discovery mechanism with hardcoded values
      substituteInPlace $out/opt/brother/Printers/MFCL2750DW/lpd/lpdfilter \
        --replace /opt "$out/opt" \
        --replace "my \$BR_PRT_PATH =" "my \$BR_PRT_PATH = \"$out/opt/brother/Printers/MFCL2750DW\"; #" \
        --replace "PRINTER =~" "PRINTER = \"MFCL2750DW\"; #"

      # Make sure all executables have the necessary runtime dependencies available
      find "$out" -executable -and -type f | while read file; do
        wrapProgram "$file" --prefix PATH : "${lib.makeBinPath runtimeDeps}"
      done

      # Symlink filter and ppd into a location where CUPS will discover it
      mkdir -p $out/lib/cups/filter
      mkdir -p $out/share/cups/model

      ln -s \
        $out/opt/brother/Printers/MFCL2750DW/lpd/lpdfilter \
        $out/lib/cups/filter/brother_lpdwrapper_MFCL2750DW

      ln -s \
        $out/opt/brother/Printers/MFCL2750DW/cupswrapper/brother-MFCL2750DW-cups-en.ppd \
        $out/share/cups/model/

      runHook postInstall
    '';

  meta = with lib; {
    homepage = "http://www.brother.com/";
    description = "Brother MFC-L2750DW printer driver";
    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
    license = licenses.unfree;
    platforms = builtins.map (arch: "${arch}-linux") arches;
    maintainers = [ maintainers.lovesegfault ];
  };
}