anchor.diff:  
     docker_cli = buildFromGitHub {
       version = 3;
  -    date = "2017-05-09";
  -    rev = "079a5598f1c6a76df60b66bbdc3ebad705310f25";
  +    date = "2017-05-11";
  +    rev = "c0cbb6580a808bb7c70f63c0e9a0903a9c2de599";
       owner = "docker";
       repo = "cli";
  -    sha256 = "0c9va1aql75i6m27z7px2q393dm4yrds40451965m9n21bm2fzgw";
  +    sha256 = "06ls4hhyjq2zs3iv05yi2yd08qrzak1myi1d5d3yq419biaax6s2";
       subPackages = [
         "cli/config/configfile"
       ];
  
positive.code:   };
  
    sftp = buildFromGitHub {
      version = 2;
      owner = "pkg";
      repo = "sftp";
      rev = "dddd9cf3c7889aa0fefd2e8a529367a3e1f3b669";
      date = "2017-04-25";
      sha256 = "00nkf5kpf7jr2smkgsrs6426czxalpzn0p0lvgcjzgh0fx7dm59b";
      propagatedBuildInputs = [
        crypto
        errors
  
negative.code:   };
  
    go-multihash = buildFromGitHub {
      version = 3;
      rev = "7aa9f26a231c6f34f4e9fad52bf580fd36627285";
      owner  = "multiformats";
      repo   = "go-multihash";
      sha256 = "0zjfs34nbh00lyvz8zm9khvv7lczi4pl7dlzjrv9fdaaijfjbbz5";
      goPackageAliases = [ "github.com/jbenet/go-multihash" ];
      propagatedBuildInputs = [
        crypto
  