Its always recommended to use the best practices for Repackaging. The Repackaging products are not designed to cater all platforms with single repackaging. The summary is what you repackage is what you get. If you are sure your legacy setups work on different platforms with no system dependency you may opt for such solution. But their are risks involved if you opt for such solutions. You should measure your risks against your solutions to cater your business needs at best.