[Pkg-xfce-devel] Bug#636020: Bug#636020: lightdm: Versioned dependency against virtual package

[Yves-Alexis Perez]

On sam., 2011-07-30 at 15:17 +0200, Julian Andres Klode wrote:
> On Sat, Jul 30, 2011 at 01:10:48PM +0200, Yves-Alexis Perez wrote:
> > On sam., 2011-07-30 at 12:27 +0200, Julian Andres Klode wrote:
> > > The lightdm package since revision 5887 depends on 
> > >     lightdm-gtk-greeter | lightdm-greeter (>= 0.9.2-1)
> > > 
> > > The lightdm-greeter package is virtual, and virtual packages
> > > can only satisfy unversioned dependencies. This alternative
> > > is thus unsatisfiable. 
> > 
> > Hmh. I made that in order to be sure lightdm-greeter would be upgraded
> > to a version depending on the -gtk or -qt package. But as the initial
> > version was in unstable less than a day, maybe it's ok to just drop the
> > versioning without providing a virtual package lightdm-gtk depending on
> > lightdm-gtk-greeter.
> This alternative dependency is completely ignored, as it is impossible
> to satisfy. Versioned dependencies only work for real packages, so if
> you want to do it completely correct, you need to depend on the real
> packages with OR.
> 
> 	lightdm-gtk-greeter | lightdm-qt-greeter

Yeah, for now as there's only two greeters that looks like the best
solution indeed :)
> 
> Alternatively, you can use Conflicts against lightdm-qt and
> lightdm-gtk.
> 
> And for the transition in package names to work correctly, you should
> probably use Replaces, Provides, and Conflicts against the old names,
> as specified in Policy 7.6.2, to remove the old packages completely.

That's already the case.
-- 
Yves-Alexis