anchor.diff:  
     net = buildFromGitHub {
       version = 2;
  -    rev = "10c134ea0df15f7e34d789338c7a2d76cc7a3ab9";
  -    date = "2017-02-24";
  +    rev = "906cda9512f77671ab44f8c8563b13a8e707b230";
  +    date = "2017-02-27";
       owner  = "golang";
       repo   = "net";
  -    sha256 = "0imh9a36bpfwlf1qv3wpcfnrglc0bb6fw31r2l9v5r7i9xq3n3hg";
  +    sha256 = "0r9skfjvsa23q8m37wvrqmvpfm9yppsg729xfjs047hyi80s7qyq";
       goPackagePath = "golang.org/x/net";
       goPackageAliases = [
         "github.com/hashicorp/go.net"
  
positive.code:     version = 2;
      owner = "minio";
      repo = "mc";
      rev = "2ca601ef2278fd6d47fb4c987dcf3f80d566e692";
      sha256 = "0hb8vsmj9cbxgc727lyfrj5czpxhqrzgmkfmmkv3kb3ir4qgsnp6";
      propagatedBuildInputs = [
        cli_minio
        color
  
negative.code:   };
  
    go-bindata-assetfs = buildFromGitHub {
      version = 2;
      rev = "30f82fa23fd844bd5bb1e5f216db87fd77b5eb43";
      owner   = "elazarl";
      repo    = "go-bindata-assetfs";
      sha256 = "0pval4z7k1bbcdx1hqd4cw9x5l01pikkya0n61c4wrfi0ghx25ln";
      date = "2017-02-27";
    };
  
    go-bits = buildFromGitHub {
  