anchor.diff:      };
     };
   
  +  cookoo = buildFromGitHub {
  +    rev    = "v1.2.0";
  +    owner  = "Masterminds";
  +    repo   = "cookoo";
  +    sha256 = "1mxqnxddny43k1shsvd39sfzfs0d20gv3vm9lcjp04g3b0rplck1";
  +  };
  +
     dbus = buildGoPackage rec {
       rev = "a5942dec6340eb0d57f43f2003c190ce06e43dea";
       name = "dbus-${stdenv.lib.strings.substring 0 7 rev}";
  
positive.code:     buildInputs = [ go-querystring oauth2 ];
    };
  
    go-homedir = buildFromGitHub {
      rev    = "7d2d8c8a4e078ce3c58736ab521a40b37a504c52";
      owner  = "mitchellh";
  
negative.code:       sha256 = "0ghrx5qmgvgb8cbvsj53v1ir4j9agilg4wyhpk5ikqdv6mmqly4h";
      };
      subPackages = [ "./" ];  # don't try to build test fixtures
    };
  
    glide = buildFromGitHub {
      rev    = "0.4.1";
      owner  = "Masterminds";
      repo   = "glide";
      sha256 = "0237l8s7z1ysfkv3kmw4788fg4kjcq2sh6073bjcwynz3hldkrlr";
      buildInputs = [ cookoo cli-go go-gypsy ];
    };
  
    gls = buildFromGitHub {
  