{stdenv, fetchFromGitHub, jdk6, ant_1_7}: stdenv.mkDerivation rec {
    pname = "commons-collections";
    version = "3.1";
    outJar = "commons-collections-3.1.jar";

    src = fetchFromGitHub {
        owner = "apache";
        repo = pname;
        rev = "collections-3.1";
        hash = "sha256-7Nv2zbhYkChp8h0f5BlYK3WGunhVyCbeH6m3hheWg8Y=";
    };

    patches = [./commons-collections.patch];

    nativeBuildInputs = [jdk6 ant_1_7];

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

    buildPhase = ''
        ant dist
    '';

    installPhase = ''
        mkdir $out
        cp -r ./build/bin/commons-collections-3.1/* $out/
    '';
}