I see, my suggestion is partially solved. Would someone mentor me, so I
could build a framework like this?

Regards Tuxle


2013/4/21 Zac Medico <zmedico@gentoo.org>

> On 04/20/2013 08:45 AM, Tuxle T wrote:
> > Dear all
> >
> > I am Stefan from Switzerland and I am looking for a mentor.
> > I currently have been pursuing a BEng in Computer Science at the Zurich
> > University of Applied Science.
> >
> > I am using Gentoo since 2009 on my server and since 2010 on my Laptop.
> > The biggest problem I have ever had with the system was undoing broken
> > updates of libpng, poppler or dev-libs/gmp
> > So, I have got the following idea: I would setup Gentoo's root on
> > `BtrFs` so that `emerge` takes a snaphshot every time something is being
> > modified. That way, rollbacks will become easy.
> > I am not sure if this is the best solution for everyone, because BtrFs
> > is still in development and not always an acceptable choice.
> > Nevertheless, I believe that this solution is a great one for developers.
>
> For the past couple of years, I've been doing btrfs snapshots of my root
> filesystem for all big updates, and it works very well for me.
>
> In order to go along with the Gentoo's "we're about choice" spirit, you
> could create a plugin framework that supports multiple backends for
> performing snapshots and doing bootloader configuration. That way, you
> could make it work with whatever the user's choice of
> filesystem/bootloader combination happens to be.
> --
> Thanks,
> Zac
>
>