{stdenv, fetchgit, jdk6, ant_1_7}: stdenv.mkDerivation rec {
    pname = "which";
    version = "1.0";
    outJar = "which.jar";

    src = fetchgit {
        url = "https://git.befatorinc.de/Bommels05/commons-xml.git";
        rev = "1d6cda7c464b289c9672d0698f82e1671e0211df";
        hash = "sha256-B7rov3ddAv4EGqKLsu3GepgM2XqOaAVOCNjTcICD+F0=";
    };

    patches = [./which.patch];

    nativeBuildInputs = [jdk6 ant_1_7];

    env = {
        JAVA_HOME="${jdk6}";
    };

    buildPhase = ''
        #ln -s /build/source/LICENSE.txt /build/LICENSE
        ant -f java/which.xml
    '';

    installPhase = ''
        mkdir $out
        cp -r ./java/build/which.jar $out/which.jar
    '';
}