an idea about upgrades

[Patrick O'Callaghan]

On Tue, 2015-05-12 at 12:18 -0700, Gordon Messmer wrote:
> On 05/12/2015 11:25 AM, Neal Becker wrote:
> >> It would be a great idea if Fedora would provide
> >> >a way to downgrade to the immediately previous release
> >> >(from which the upgrade was performed), if the user
> >> >decides (for some reason) to return to the previous
> >> >release. This would completely obviate the need to
> >> >do a backup, and restore
> >> >
> > I'm hoping that my f22 install into a btrfs subvol will do this for me.
> 
> ...and that's exactly what the "snapper" plugin for yum and dnf is 
> intended to do.  Before upgrades, a (btrfs, ext4 or thin provisioned 
> LVM) snapshot is created for the purpose of rollback.

I only see a plugin for dnf. Is there also one for yum?

poc