anchor.diff: -{ stdenv, buildGoPackage, fetchFromGitHub, gx, gx-go }:
  +{ stdenv, buildGoPackage, fetchFromGitHub, fetchgx }:
   
   buildGoPackage rec {
     name = "ipfs-${version}";
  
positive.code: 
    goPackagePath = "github.com/ipfs/go-ipfs";
  
    src = fetchFromGitHub {
      owner = "ipfs";
      repo = "go-ipfs";
  
negative.code:     sha256 = "06iq7fmq7p0854aqrnmd0f0jvnxy9958wvw7ibn754fdfii9l84l";
    };
  
    meta = with stdenv.lib; {
      description = "A global, versioned, peer-to-peer filesystem";
      homepage = https://ipfs.io/;
      license = licenses.mit;
      platforms = platforms.unix;
      maintainers = with maintainers; [ fpletz ];
    };
  }
  