anchor.diff:  
       src = dubBuild.src;
       
  -    patches = dubBuild.patches;
  -
       postUnpack = dubBuild.postUnpack;
       postPatch = dubBuild.postPatch;
   
  
positive.code: 
    dubBuild = stdenv.mkDerivation rec {
      name = "dubBuild-${version}";
      version = "1.7.2";
  
      enableParallelBuilding = true;
  
  
negative.code:       owner = "dlang";
        repo = "dub";
        rev = "v${version}";
        sha256 = "0788d375sc6xdak9x6xclkkz243lb7di68yxfvl4v0n178mi22bk";
      };
  
      postUnpack = ''
          patchShebangs .
      '';
  
      # Can be removed with https://github.com/dlang/dub/pull/1368
      dubvar = "\\$DUB";
  