[arch-general] pacman new generation

[Karol Blazewicz]

On Tue, Nov 22, 2011 at 8:30 PM, Bernardo Barros
<bernardobarros2 at gmail.com> wrote:
> If I still may:
>
> roll-back and reproducible configuration was already proposed in the past?
>
> The idea raised by Nix devs was the a purely functional approach was a
> way to implement it. Of course people can have similar ideas with
> other techniques.
>
> If it a very practical question because I'm sure all Arch users in
> some point or another had to do a roll-back after a complex system
> update, and then they find themselves in a difficult situation to
> figure out how to revert all those changes.
>
> Pro Audio users, for instance, might want to have their system
> configuration in a state just before the change that broke lv2 support
> on Ardour.
>
> Nix approach may be not the only one, but their ideas let people see
> the difference between same packages build with different libs, or
> know to set a exact system configuration more easily.
>

I using testing / staging repos does this already: you try out
[testing], if it doesn't work, you disable it and run 'pacman -Suu'.
Would using different sync dbs and a separate cache turned into a
local repo make it easy enough to be practical?