anchor.diff:  }) {};
   
   cldr = callPackage({ buildLuarocksPackage, luaOlder, luaAtLeast
  -, fetchgit, lua, penlight
  +, fetchgit, penlight, lua
   }:
   buildLuarocksPackage {
     pname = "cldr";
  
positive.code:     url    = "mirror://luarocks/luaunit-3.4-1.rockspec";
      sha256 = "111435fa8p2819vcvg76qmknj0wqk01gy9d1nh55c36616xnj54n";
    }).outPath;
    src = fetchurl {
      url    = "https://github.com/bluebird75/luaunit/releases/download/LUAUNIT_V3_4/rock-luaunit-3.4.zip";
      sha256 = "1v8nkiwz2nr242h5cl4af6vmn5gxmn94skps1qhb55ak60j20nvr";
    };
  
    disabled = with lua; (luaOlder "5.1") || (luaAtLeast "5.5");
    propagatedBuildInputs = [ lua lua ];
  
    meta = {
      homepage = "http://github.com/bluebird75/luaunit";
  
negative.code:   pname = "bit32";
    version = "5.3.0-1";
    knownRockspec = (fetchurl {
      url    = "mirror://luarocks/bit32-5.3.0-1.rockspec";
      sha256 = "1d6xdihpksrj5a3yvsvnmf3vfk15hj6f8n1rrs65m7adh87hc0yd";
    }).outPath;
    src = fetchgit ( removeAttrs (builtins.fromJSON ''{
  