The good old rpm while building package in steps simply kept the content of the BuildRoot -- it was very useful for me, because if some piece of software was difficult to create, I could check BuildRoot if everything is OK.
Now, with all "improved" rpm -- the content of BuildRoot is deleted automatically, so I cannot really dive into it (installing step is not that long).
One hack I know of would be adding some kind of sleep at the end of install stage to rpm spec. But this is ugly.
So -- QUESTION -- how to keep the content of BuildRoot in nice way -- in other words, how to disable auto delete once and for good?