anchor.diff:    extraSrcPaths = [
       (fetchgx {
         inherit name src;
  -      sha256 = "0jwz3kd07i5fs0sxds80j8d338skhgxgxra377qxsk0cr2hhj2vm";
  +      sha256 = "19ljx4q9msrv5wwyd85l01l320lhwgma5z3b756ldgj9fs8p9ph6";
       })
     ];
   
  
positive.code:     owner = "ipfs";
      repo = "ipfs-cluster";
      inherit rev;
      sha256 = "132whjyplcifq8747hcdrgbc0amhp618dg049jq5nyslcxfgdypm";
    };
  
    nativeBuildInputs = [ gx-go ];
  
negative.code: 
  buildGoPackage rec {
    name = "ipfs-cluster-${version}";
    version = "0.7.0";
    rev = "v${version}";
  
    goPackagePath = "github.com/ipfs/ipfs-cluster";
  