There are ways around having to apply a patch 20 times, too. Libraries and git submodules to name a few. Secondly, if you use 20 version control systems, you'r

There are ways around having to apply a patch 20 times, too. Libraries and git submodules to name a few. Secondly, if you use 20 version control systems, you're doing it horribly, horribly wrong.