anchor.diff:    };
   
     go-multiaddr = buildFromGitHub {
  -    version = 1;
  -    rev = "1dd0034f7fe862dd8dc86a02602ff6f9e546f5fe";
  -    date = "2016-08-15";
  +    version = 2;
  +    rev = "907bb9f0e4eb47daae675d78a3060ca173598239";
  +    date = "2016-09-15";
       owner  = "jbenet";
       repo   = "go-multiaddr";
  -    sha256 = "0a4pppx02hsh6i2gdfl3cy4bvm0jizg2p5wpmsl9zl27qv7naipm";
  +    sha256 = "14jylqvypng4hljad1pb9j8d09dr7vbingm1ham877sijhwf1d1d";
       propagatedBuildInputs = [
         go-multihash
       ];
     };
   
     go-multiaddr-net = buildFromGitHub {
  -    version = 1;
  -    rev = "ff394cdaae087d110150f15418ea4585c23541c6";
  -    owner  = "jbenet";
  +    version = 2;
  +    rev = "825144c9a253d8f75fcaced0ac16181d8b384b22";
  +    owner  = "multiformats";
       repo   = "go-multiaddr-net";
  -    sha256 = "0wygvqscyydlm4cjlpk4apy1hx3wdnayfmbny8fy8q97g8n7cnlc";
  -    date = "2016-06-10";
  +    sha256 = "08xrslkxvp5m6birf748k1jkpn2qirgmk1nldm313hjksiwq24df";
  +    date = "2016-09-15";
  +    goPackageAliases = [ "github.com/jbenet/go-multiaddr-net" ];
       propagatedBuildInputs = [
         go-multiaddr
         utp
  
positive.code:     repo = "go-ipfs";
      sha256 = "aac7c76ce3be455df629b742d3feb22446cd8c4471e1db24cc5389b7f496a2f6";
      gxSha256 = "1fih2cinl47dd5x9mwb1igr7l26ag5la3csm3whbc3rndsxfmv2y";
  
      subPackages = [
        "cmd/ipfs"
        "cmd/ipfswatch"
      ];
    };
  
  
negative.code:   };
  
    gx = buildFromGitHub {
      version = 2;
      rev = "v0.9.1";
      owner = "whyrusleeping";
      repo = "gx";
      sha256 = "1zj73pk1m4gjkhkmjwhfwpxvkpn6i6d8dgvk27y7mfcb38gwpzjx";
      propagatedBuildInputs = [
        go-git-ignore
        go-homedir
  