[packagekit] Caching of repository metadata (esp. Yum)

[Sebastian Heinlein]

Am Mittwoch, den 26.11.2008, 11:08 +0000 schrieb Richard Hughes:
> On Wed, 2008-11-26 at 11:05 +0100, Sebastian Heinlein wrote:
> > Not knowing how long a PackageKit transaction will take, makes it quite
> > uncomfortable to write applications. A small Resolve call could take
> > seconds, minutes or hours.
> 
> Right, as you're not sure if it's going to download a file or just
> return from hot cache.
> 
> > I would really like to see a separation of cache manipulating and
> > read-only transactions. Is it possible to process multiple transactions
> > concurrently with the spawn or native backend?
> 
> No, neither. It would be a little tricky to add, although much simpler
> for a native backend.
> 
> I was pondering this last night when I was meant to be sleeping.
> 
> What about an optional SetCache() that can be done after GetTid(), just
> like we currently do with SetLocale()?
> 
> Options being:
> 
> * FORCE = Force network refresh, error out if unavailable
> * ALLOW = Allow network activity if required (default)
> * CACHE = Word completely from cache, error out if invalid

I don't see why I should care about the freshness of the cache on the
client side.

Cheers,

Sebastian