Re: how to have yum prefer one dependency over others

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Rahul Sundaram wrote:
> Adding a conflicts to yum against zif was a inappropriate use of
> conflicts and must have been resolved in a better way.  The animosity
> between people working on competing solutions is leading to a proposal
> which really wouldn't fly.  Having said that,  I think zif needs to be
> command line compatible and support delta RPMs by default for it to be
> the default backend for the desktop and I really don't think desktop

Delta RPM support is listed as one of the 3 things which don't work yet, so 
I'm pretty sure it's planned.

(That said, there definitely needs to be a way to disable it, and maybe it 
should even be disabled by default. I personally always uninstall yum-
presto. For me, it's much faster to just download packages than to rebuild 
them from deltas. Only users on really slow connections benefit from it.)

> environments should have a different dep resolver from the rest of
> Fedora.

While I think Fedora would benefit from using zif throughout (mainly because 
it's in a compiled language, not in Python), I don't agree that this should 
be a requirement for using zif in PackageKit. PackageKit should use what is 
best suited for its needs, which yum clearly isn't.

> I don't know if I want to use zif yet but Richard Hughes
> should aim for a comprehensive solution instead of just addressing the
> PackageKit problem in a narrow way because I think the problem
> PackageKit is facing is also true for other tools.  Libguestfs has
> already come out as an example.

Richard Hughes is being receptive to other uses of zif than PackageKit, see 
the subthread with Richard W.M. Jones.

        Kevin Kofler

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