From: Junio C Hamano <hidden> Date: 2016-06-15 22:54:00
Andreas Schwab [off-list ref] writes:
Only if the conversion is restarted from scratch.
Yes, that was the use case I was the most worried about.
Often a re-import is one way to validate what you have (and worse
yet, what you based your recent work on), so unmatching commit
object names are red flags.