anchor.diff:        repo = "columnize";
         sha256 = "1qrqr76cw58x2hkjic6h88na5ihgvkmp8mqapj8kmjcjzdxkzhr9";
       };
  +  };
  +
  +  copystructure = buildGoPackage rec {
  +    rev = "6fc66267e9da7d155a9d3bd489e00dad02666dc6";
  +    name = "copystructure-${stdenv.lib.strings.substring 0 7 rev}";
  +    goPackagePath = "github.com/mitchellh/copystructure";
  +
  +    src = fetchFromGitHub {
  +      inherit rev;
  +      owner = "mitchellh";
  +      repo = "copystructure";
  +      sha256 = "193s5vhw68d8npjyf5yvc5j24crazvy7d5dk316hl7590qrmbxrd";
  +    };
  +
  +    buildInputs = [ reflectwalk ];
     };
   
     confd = buildGoPackage rec {
  
positive.code:       { inherit (gcloud-golang) src goPackagePath; }
      ];
  
      buildInputs = [ net ];
    };
  
  
  
negative.code:     };
  
      buildInputs = [ go-ini gucumber testify ];
    };
  
    hashicorp.aws-sdk-go = buildGoPackage rec {
      rev = "e6ea0192eee4640f32ec73c0cbb71f63e4f2b65a";
      name = "aws-sdk-go-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/hashicorp/aws-sdk-go";
  
      src = fetchFromGitHub {
        inherit rev;
        owner  = "hashicorp";
        repo   = "aws-sdk-go";
        sha256 = "1qrc2jl38marbarnl31sag7s0h18j2wx1cxkcqin5m1pqg62p4cn";
      };
  
      buildInputs = [ go-ini net sandblast ];
    };
  
    binarydist = buildGoPackage rec {
  