Bug#763669: adwaita-icon-theme: circular dependency hell

[Bill Allombert]

On Wed, Apr 22, 2015 at 02:17:03PM +0200, Michael Biebl wrote:
> Am 22.04.2015 um 13:11 schrieb Bill Allombert:
> > On Wed, Apr 22, 2015 at 12:55:19PM +0300, Vlad Orlov wrote:
> >> Hi Michael,
> >>
> >>> Not release critical. Restoring previous severity.
> >>
> >> Are you sure? This might break Wheezy -> Jessie upgrades...
> > 
> > Actually, this is more likely to break Jessie to Jessie+1 upgrade.
> > The problem is caused by the need to break the cycle during upgrade.
> > Adding new cycle is not an issue per se (except that of course the
> > cycle will need to broken in the next upgrade). The symptom is apt-get
> > trying to remove packages instead of upgrading them.
> 
> I made several updates of the adwaita-icon-theme package with that
> dependency cycle without problems.

As long as the dependency graph does not change, things generally work.
However, if Jessie+1 uses a different theme and adwaita-icon-theme is
deprecated, then it starts to get messy.

> Do you have an references (like actual bug reports) where apt did remove
> a package because of such a dep cycle?

Yes, this was rather frequent before circular dependencies were culled down.
The worse is probably #310490

Anyway, this bug is trivial to fix, there is not much point arguing severity.

Cheers,
-- 
Bill. <ballombe at debian.org>

Imagine a large red swirl here.