>> I think we should change ‘--list-generations’ to not output the zeroth
>> generation.  Even though it could be present in the profile, users
>> shouldn’t be concerned about it.

> Agreed.

Good.

> I think it should be impossible to remove Generation 0 through the
> command-line tools, because that generation exists precisely so that the
> profile always points to something valid.

> So yes, ‘--delete-generations’ must ignore Generation 0.

Right, I agree.  But some might expect it to delete the profile as well.
Should we have a separate tool for this?