[packagekit] Resolve method

[Richard Hughes]

On Tue, 2007-10-02 at 14:16 -0400, Elliot Peele wrote:
> On Tue, 2007-10-02 at 17:32 +0100, Richard Hughes wrote:
> > On Tue, 2007-10-02 at 12:24 -0400, Robin Norwood wrote:
> > > What about arch?  In situations where more than one arch is available,
> > > IIRC, yum uses a complicated heuristic to try to 'guess' the right one.
> > > Should individual backends to the guessing, or return multiple results
> > > to let PK or the user pick the right one?  Do you always want Resolve to
> > > give one or zero results, or is a list ok in some cases?
> > 
> > Well, Resolve should return:
> > 
> > zero (if not installed and not found in the repo)
> > one (in installed version matches and no never package available)
> > two (if installed version matches, and there is an updated package
> > available)
> 
> What should we return if not installed but found in repo?

Just the available package.

> > I think the backend should choose the correct architecture, I don't
> > really think this is in the scope of PK - leave it to the package
> > backend.
> 
> The problem with not knowing what arch is if OpenOffice.org is 32bit on
> a 64bit system requests that a package be installed, conary will want to
> install a 64bit package, which won't work for OpenOffice.org.

We keep the arch in the package_id like normal. If we can't install a
64bit version of oo (why not?) then the output of resolve should be the
32 bit one. It's basically saying "what could I do".

Richard.