anchor.diff:  
         mkdir -p $out/share/nix/nixops
         cp -av nix/* $out/share/nix/nixops
  +
  +      # Add openssh to nixops' PATH. On some platforms, e.g. CentOS and RHEL
  +      # the version of openssh is causing errors when have big networks (40+)
  +      wrapProgram $out/bin/nixops --prefix PATH : "${openssh}/bin"
       '';
   
     meta = {
  
positive.code: { lib, pythonPackages, fetchurl, libxslt, docbook5_xsl }:
  
  pythonPackages.buildPythonPackage rec {
    name = "nixops-1.0.1";
    namePrefix = "";
  
    src = fetchurl {
      url = "http://nixos.org/releases/nixops/${name}/${name}.tar.bz2";
      sha256 = "c6dda2597ba0ab2f60c984d4715163c02940f20803619668d6c16eba8570a394";
    };
  
    buildInputs = [ libxslt ];
  
negative.code:     [ pythonPackages.prettytable
        pythonPackages.boto
        pythonPackages.sqlite3
        pythonPackages.hetzner
      ];
  
    doCheck = false;
  