Re: Autoexpand of root file system after image copy - need something better

[coypu%sdf.org@localhost]

On Tue, Dec 26, 2017 at 12:15:16AM -0500, Alan Corey wrote:
> Seems like a simple solution would be to expand it to the size of the
> partition, or if there's no partition maybe ask.  So you use your
> fdisk or gparted or whatever first if you know you want other things
> in part of the space.  Then have the expansion respect the partition
> size.  OpenBSD setup asks early on if you want to use the whole medium
> space.  Same idea, this is when creating a disklabel I think.  It also
> simplifies replacing the contents of a partition with part of another
> operation system for instance.

rpi.img isn't an installer though, and we probably should not assume
that the user has an interactive setup and can provide input.

you can shrink a filesystem, though resize_ffs doesn't allow it on FFSv2
for some unclear reason.