anchor.diff:      sha256 = "0gmxycray168ppybd3g9ic9dvkvlnl1y7rn00gcycsv23phszprz";
     };
   
  -  kingpin-v2 = buildFromGitHub {
  +  kingpin_v2 = buildFromGitHub {
       rev = "v2.2.2";
       owner = "alecthomas";
       repo = "kingpin";
  +    sha256 = "1pbj4mrpq0kmizpq6jjjyjnqnp1xmvfg1yxh9mfbdfx6np6lbwh3";
       goPackagePath = "gopkg.in/alecthomas/kingpin.v2";
  -    sha256 = "1pbj4mrpq0kmizpq6jjjyjnqnp1xmvfg1yxh9mfbdfx6np6lbwh3";
       propagatedBuildInputs = [
         template
         units
  
positive.code:   };
  
    go-multiaddr-net = buildFromGitHub {
      rev = "d4cfd691db9f50e430528f682ca603237b0eaae0";
      owner  = "jbenet";
      repo   = "go-multiaddr-net";
      sha256 = "0nwqaqfn30qxhwa0v2sbxankkj41krbwd30bp92y0xrkz5ivvi16";
      date = "2016-05-16";
      propagatedBuildInputs = [
        go-multiaddr
        utp
  
negative.code:   };
  
    golang-lru = buildFromGitHub {
      date = "2016-08-13";
      rev = "0a025b7e63adc15a622f29b0b2c4c3848243bbf6";
      owner  = "hashicorp";
      repo   = "golang-lru";
      sha256 = "1nq6q2l5ml3dljxm0ks4zivcci1yg2f2lmam9kvykkwm03m85qy1";
    };
  
    golang-petname = buildFromGitHub {
  