Johannes Schindelin [off-list ref] writes:
Hmm. I would like to believe that readers understand that setting it to
_any_ name would suppress this warning.
Yes, and the point raised in an earlier messages was that it is not
clear that there is no recourse for those who do NOT want to choose
but still want to suppress.
It really is much better to make `git branch -m <name>` work in this
scenario.
Yes, if we can make it work, that is much more preferred.