Bug#1065022: libglib2.0-0t64: t64 transition breaks the systems

[Steve Langasek]

On Thu, Feb 29, 2024 at 06:53:56AM +0100, Paul Gevers wrote:
> On 29-02-2024 4:47 a.m., Christoph Anton Mitterer wrote:
> > @d-d:
> > - How can it happen that purge *t64 packages and at the same time install
> >    the previous package, and then the so file is missing?
> >    I mean it's clear that they use the same name, but shouldn't DPKG handle
> >    the cleanly?

> Well, officially downgrading isn't supported (although it typically works)
> *and* losing files is one of the problems of our merged-/usr solution (see
> [1]). I *suspect* this might be the cause. We're working hard (well, helmut
> is) to protect us and our users from loosing files on upgrades. We don't
> protect against downgrades.

> Obviously there might be issues, but you are running unstable *during* a
> transition. You have to expect some troubles. Thanks for the information,
> let's see if this is a real issue or not.

Furthermore, this is a downgrade from a replacing package to a replaced
package. Unless you also --reinstall the package at the end, missing files
are quite to be expected.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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