From: Junio C Hamano <hidden> Date: 2016-06-15 22:42:12
Matthias Urlichs [off-list ref] writes:
The only thing we want to do with HEAD, in order to accomplish that,
is to find the SHA1 it points to, before and after the import.
No use of git-symbolic-ref is necessary for that.
True. 'git-rev-parse --verify HEAD^0' would be sufficient.