anchor.diff:  { stdenv
   , docbook-xsl
   , fetchurl
  +, lib
   , libxslt
   , makeWrapper
   }:
   
   stdenv.mkDerivation rec {
  -  name = "xdg-user-dirs-0.15";
  +  name = "xdg-user-dirs-0.17";
   
     src = fetchurl {
  -    url = "http://user-dirs.freedesktop.org/releases/${name}.tar.gz";
  -    multihash = "QmTS4GA6yAUYFDQhV27FZ131qMrN7aMs6NKuFVZfa4gFNp";
  -    sha256 = "20b4a751f41d0554bce3e0ce5e8d934be98cc62d48f0b90a894c3e1916552786";
  +    url = "https://user-dirs.freedesktop.org/releases/${name}.tar.gz";
  +    multihash = "QmT2dLoRbs3NSta4D2Ttv5MuHujjAaD3qmySzbtbLNtrUT";
  +    sha256 = "2a07052823788e8614925c5a19ef5b968d8db734fdee656699ea4f97d132418c";
     };
   
     nativeBuildInputs = [
  
positive.code:       codyopel
      ];
      platforms = with platforms;
        i686-linux
        ++ x86_64-linux;
    };
  }
  
negative.code:       --prefix XDG_CONFIG_DIRS : "$out/etc/xdg"
    '';
  
    meta = with lib; {
      description = "A tool to help manage well known user directories";
      homepage = http://freedesktop.org/wiki/Software/xdg-user-dirs;
      license = licenses.gpl2;
  