anchor.diff:  
     go-jose_v2 = buildFromGitHub {
       version = 2;
  -    rev = "v2.0.1";
  +    rev = "v2.1.0";
       owner = "square";
       repo = "go-jose";
  -    sha256 = "08f0p394pxn36qhb856lbnkdf950p9sr9avddanhgmd5yh6caxvp";
  +    sha256 = "0pwclkx1297d9mv835pk82sgsr1a3xjxi1flx9m28kl50rambcwm";
       goPackagePath = "gopkg.in/square/go-jose.v2";
       buildInputs = [
         urfave_cli
  
positive.code: 
    prometheus_client_golang = buildFromGitHub {
      version = 2;
      rev = "6ab3432d241cbe3cb7543da7e7e9a934c7e9fe76";
      owner = "prometheus";
      repo = "client_golang";
      sha256 = "0rh5f68vjf6l5crjiv7g7l3py71mcif0mf6apxr6h33rq398rh6c";
      propagatedBuildInputs = [
        goautoneg
        net
  
negative.code: 
    text = buildFromGitHub {
      version = 2;
      rev = "4687d739464a2d0af89a25be0318456e0776f3ef";
      date = "2017-02-23";
      owner = "golang";
      repo = "text";
      sha256 = "0x07rwa3ghynhpwyyrxs2m974gxsf6hdj331izazxhxijysl87bz";
      goPackagePath = "golang.org/x/text";
      goPackageAliases = [ "github.com/golang/text" ];
      excludedPackages = "cmd";
  