anchor.diff:  
       cmakeFlags = [
         "-DGPERF_PRG=${gperf}/bin/gperf"
  +      "-DLIBLUV_LIBRARY=${lua.pkgs.luv}/lib/lua/${lua.luaversion}/luv.so"
         "-DLUA_PRG=${neovimLuaEnv.interpreter}"
       ]
       ++ optional doCheck "-DBUSTED_PRG=${neovimLuaEnv}/bin/busted"
  
positive.code:       libtermkey
        libuv
        libvterm-neovim
        msgpack
        ncurses
        neovimLuaEnv
  
negative.code: in
    stdenv.mkDerivation rec {
      pname = "neovim-unwrapped";
      version = "0.4.2";
  
      src = fetchFromGitHub {
        owner = "neovim";
        repo = "neovim";
        rev = "v${version}";
        sha256 = "13w446plvgl219lhj29jyimhiqvs1y1byrz4qpdmxgyddmx9xqss";
      };
  
      patches = [
  