Over time, I have a lot of older targets in my drake cache (current==FALSE under drake_history()). I've renamed many of my targets over time, so I'm left with targets in drake_history() which are current==TRUE, however they're not in my current drake plan.
Is there a way to clean up the cache to get rid of all older targets (to save space), and also remove any targets (current or otherwise) which are not in my plan?
Rahul