anchor.diff:        python setup.py backport
         python setup.py configure \
           --apr-inc-dir=${pkgs.apr}/include/apr-1 \
  +        --apu-inc-dir=${pkgs.aprutil}/include/apr-1 \
           --apr-lib-dir=${pkgs.apr}/lib \
           --svn-root-dir=${pkgs.subversion}
       '' + (if !stdenv.isDarwin then "" else ''
  
positive.code: 
  
    pysvn = pkgs.stdenv.mkDerivation {
      name = "pysvn-1.7.2";
  
      src = fetchurl {
        url = "http://pysvn.barrys-emacs.org/source_kits/pysvn-1.7.2.tar.gz";
        sha256 = "2b2980d200515e754e00a12d99dbce25c1ea90fddf8cba2bfa354c9305c5e455";
      };
  
      buildInputs = [ python pkgs.subversion pkgs.apr pkgs.aprutil pkgs.expat pkgs.neon pkgs.openssl ]
  
negative.code:     };
    };
  
    svneverever =  buildPythonPackage rec {
      name = "svneverever-778489a8";
  
      src = pkgs.fetchgit {
        url = git://git.goodpoint.de/svneverever.git;
        rev = "778489a8c6f07825fb18c9da3892a781c3d659ac";
        sha256 = "41c9da1dab2be7b60bff87e618befdf5da37c0a56287385cb0cbd3f91e452bb6";
      };
  
      propagatedBuildInputs = [ pysvn argparse ];
  
      doCheck = false;
    };
  
    taskcoach = buildPythonPackage rec {
      name = "TaskCoach-1.3.8";
  
  