{ lib, stdenv, fetchFromGitHub, installShellFiles, gnustep, bzip2, zlib, icu, openssl, wavpack }:

stdenv.mkDerivation rec {
  pname = "unar";
  version = "1.10.7";

  src = fetchFromGitHub {
    owner = "MacPaw";
    # the unar repo contains a shallow clone of both XADMaster and universal-detector
    repo = "unar";
    rev = "v${version}";
    sha256 = "0p846q1l66k3rnd512sncp26zpv411b8ahi145sghfcsz9w8abc4";
  };

  postPatch = ''
    for f in Makefile.linux ../UniversalDetector/Makefile.linux ; do
      substituteInPlace $f \
        --replace "= gcc" "=${stdenv.cc.targetPrefix}cc" \
        --replace "= g++" "=${stdenv.cc.targetPrefix}c++" \
        --replace "-DGNU_RUNTIME=1" "" \
        --replace "-fgnu-runtime" "-fobjc-nonfragile-abi"
    done

    # we need to build inside this directory as well, so we have to make it writeable
    chmod +w ../UniversalDetector -R
  '';

  buildInputs = [ gnustep.base bzip2 icu openssl wavpack zlib ];

  nativeBuildInputs = [ gnustep.make installShellFiles ];

  enableParallelBuilding = true;

  dontConfigure = true;

  makefile = "Makefile.linux";

  sourceRoot = "./source/XADMaster";

  installPhase = ''
    runHook preInstall

    install -Dm555 -t $out/bin lsar unar
    for f in lsar unar; do
      installManPage ./Extra/$f.?
      installShellCompletion --bash --name $f ./Extra/$f.bash_completion
    done

    runHook postInstall
  '';

  meta = with lib; {
    homepage = "https://theunarchiver.com";
    description = "An archive unpacker program";
    longDescription = ''
      The Unarchiver is an archive unpacker program with support for the popular
      zip, RAR, 7z, tar, gzip, bzip2, LZMA, XZ, CAB, MSI, NSIS, EXE, ISO, BIN,
      and split file formats, as well as the old Stuffit, Stuffit X, DiskDouble,
      Compact Pro, Packit, cpio, compress (.Z), ARJ, ARC, PAK, ACE, ZOO, LZH,
      ADF, DMS, LZX, PowerPacker, LBR, Squeeze, Crunch, and other old formats.
    '';
    license = licenses.lgpl21Plus;
    maintainers = with maintainers; [ peterhoeg ];
    platforms = platforms.linux;
  };
}