We host our own Maven and PyPi. External artifacts get pulled into the cache and devs get all their artifacts form our cache. If an artifact already exists in t

We host our own Maven and PyPi. External artifacts get pulled into the cache and devs get all their artifacts form our cache. If an artifact already exists in the cache then we never update it. Super easily honestly, one of those things that we never even think about until someone upstream does something that would have screwed us anyway, like republishing a version number