anchor.diff: -{ fetchFromGitHub, lib, stdenv, autoreconfHook, pkg-config, libxml2, gd, glib, getopt, libxslt, nix }:
  +{ fetchFromGitHub, lib, stdenv, autoreconfHook, pkg-config, libxml2, gd, glib, getopt, libxslt, nix, bash}:
   
   stdenv.mkDerivation {
     pname = "libnixxml";
  
positive.code:     sha256 = "sha256-HKQnCkO1TDs1e0MDil0Roq4YRembqRHQvb7lK3GAftQ=";
    };
  
    postPatch = ''
      # Remove broken test
      substituteInPlace tests/draw/Makefile.am \
        --replace "draw-wrong.sh" ""
      rm tests/draw/draw-wrong.sh
    '';
  
    preAutoreconf = ''
  
negative.code:     libxslt
    ];
    buildInputs = [
      bash
      libxml2
      gd.dev
      glib
  