anchor.diff:  
     src = fetchgit {
       url = https://github.com/NixOS/nixops;
  -    rev = "cefcd9bae9a4d3bac83f188460619d18972321a8";
  -    sha256 = "1jwkbnfwics2j0m6mr75rz914vg0z46d2xv0z1717c1ac5rki0l2";
  +    rev = "9a05ebc332701247fa99fbf6d1215d48e08f3edd";
  +    sha256 = "17vxr51wpdd5dnasiaafga3a6ddhxyrwgr0yllczxj6bq0n5skp2";
     };
   
     buildInputs = [ /* libxslt */ pythonPackages.nose pythonPackages.coverage ];
  
positive.code:     [ pythonPackages.prettytable
        pythonPackages.boto
        pythonPackages.hetzner
        libcloud
        pythonPackages.sqlite3
      ];
  
  
negative.code: { lib, pythonPackages, fetchgit, libxslt, docbook5_xsl, openssh }:
  
  pythonPackages.buildPythonPackage rec {
    name = "nixops-1.3pre-cefcd9ba";
  