RFC: Fedora revamp proposal

[Przemek Klosowski]

On 03/05/2013 01:28 PM, Colin Walters wrote:
> On Tue, 2013-03-05 at 13:17 -0500, seth vidal wrote:
>
>> If the issue was only 'newer is better' then rpm can easily get around
>> it. Hell, so can yum, now.
...
>> So - I don't see how adding another layer is really a problem - since
>> the 'infinite versions in every direction' won't help our users losing
>> their configs or worse their data.
>>
>> am I missing something here?
>
> Yes - that we don't need to solve the user data problem for all software
> immediately to support rolling back a Mesa upgrade.

I thought that the current plan was to use BTRFS to snapshot the system 
before updates, and revert on failure. Of course this implies losing new 
data, which is I guess better than a priori unknowable corruption.