anchor.diff:      propagatedBuildInputs = [ pflag ];
     };
   
  +  cli-go = buildFromGitHub {
  +    rev    = "v1.2.0";
  +    owner  = "codegangsta";
  +    repo   = "cli";
  +    sha256 = "1axcpc8wgs0b66dpl36pz97pqbxkgvvbwz1b6rf7gl103jqpii40";
  +  };
  +
     columnize = buildFromGitHub {
       rev    = "44cb4788b2ec3c3d158dd3d1b50aba7d66f4b59a";
       owner  = "ryanuber";
  
positive.code:       sha256 = "0ghrx5qmgvgb8cbvsj53v1ir4j9agilg4wyhpk5ikqdv6mmqly4h";
      };
      subPackages = [ "./" ];  # don't try to build test fixtures
    };
  
    gls = buildFromGitHub {
  
negative.code:     buildInputs = [ go-querystring oauth2 ];
    };
  
    go-gypsy = buildFromGitHub {
      rev    = "42fc2c7ee9b8bd0ff636cd2d7a8c0a49491044c5";
      owner  = "kylelemons";
      repo   = "go-gypsy";
      sha256 = "04iy8rdk19n7i18bqipknrcb8lsy1vr4d1iqyxsxq6rmb7298iwj";
    };
  
    go-homedir = buildFromGitHub {
      rev    = "7d2d8c8a4e078ce3c58736ab521a40b37a504c52";
      owner  = "mitchellh";
  