anchor.diff:    makeFlags = [ "PREFIX=$(out)" ];
   
     prePatch = ''
  -    patchShebangs generate-ttl.sh
  -    cp patch/NanoVG.cpp lib/DPF/dgl/src/NanoVG.cpp
  +    patchShebangs generate-ttl.sh patch.sh patch/apply.sh
     '';
   
     enableParallelBuilding = true;
  
positive.code:   # this is what upstream calls the package, see:
    # https://github.com/ryukau/LV2Plugins#uhhyou-plugins-lv2
    pname = "uhhyou.lv2";
    version = "unstable-2020-07-31";
  
    src = fetchFromGitHub {
      owner = "ryukau";
      repo =  "LV2Plugins";
      rev = "6189be67acaeb95452f8adab73a731d94a7b6f47";
      fetchSubmodules = true;
      sha256 = "049gigx2s89z8vf17gscs00c150lmcdwya311nbrwa18fz4bx242";
    };
  
    nativeBuildInputs = [ pkg-config python3 ];
  
negative.code:     description = "Audio plugins for Linux";
      longDescription = ''
        Plugin List:
        - CollidingCombSynth
        - CubicPadSynth
        - EnvelopedSine
        - EsPhaser
  