NanoBSD: how to add manual upgrade "approval" / auto roll-back?

[Lev Serebryakov]

On 16.07.2018 23:12, Andrew Stevenson wrote:

> I haven’t done this but, assuming you are using gptboot, can you not set the bootonce flag after upgrade? Then if the system comes up you set bootme.
 Unfortunately, nanobsd.sh support for GPT is rather strange: it is
'std-uefi' or 'std-uefi-bios' schemes, which don't create /cfg and /data
slices, as far as I understand. I don't understand, how is it supposed
to work at all.

-- 
// Lev Serebryakov