I mean, you should always have a backup of your dependencies (up to reason). I develop mobile applications, and use SonarType's Nexus repository storage as my

I mean, you should always have a backup of your dependencies (up to reason). I develop mobile applications, and use SonarType's Nexus repository storage as my primary dependency resolver. Everytime I fetch a new dependency it gets cached. A monthly script then takes care of clearing out any cached dependencies which are not listed in any tagged version of my applications.