Oh, let me add more context here. I've made a presentation about
reviewboard recently and met next question (rephrased a bit):
With old tool one can click on 7 years old issue, which regressed
recently, open a link there and see colored html with diff and context
there. There is no tracks of 7
I think what you really want is for moving the repository to not break
anything.
What exactly do you mean when you say it's moving? Is it the same repository
but in a new location? Or are you doing new work on a new repository but
keeping the old one around?
You won't get persistent caching