Signed-off-by: Junio C Hamano <junkio@cox.net>
... and move the cache-tree data into it. Signed-off-by: Junio C Hamano <junkio@cox.net>
This was useful in diagnosing the corrupt index.aux format problem. But do not bother building or installing it by default. Signed-off-by: Junio C Hamano <junkio@cox.net>