Re: Bug#777597: perl-modules: upgrade regression: dpkg: dependency problems prevent configuration of perl-modules
On Tue, Feb 24, 2015 at 10:08:09PM +0200, Niko Tyni wrote:
> (dropping -release)
>
> On Mon, Feb 23, 2015 at 11:01:25PM +0100, Niels Thykier wrote:
> > On 2015-02-15 12:57, Niko Tyni wrote:
> > > On Tue, Feb 10, 2015 at 10:19:18PM +0200, Niko Tyni wrote:
>
> > >> Relaxing the circular dependency is a workaround that might be doable,
> > >> even though it would be 'incorrect'. There are modules in perl that
> > >> need others in perl-modules, and vice versa. However, I count only 21
> > >> binary packages in sid [1] that depend on perl-modules but not perl.
> > >> As perl is transitively build essential (via dpkg-dev and libdpkg-perl),
> > >> build dependencies should not be a concern at all.
> > >
> > > There are a few packages that pull in perl indirectly through their other
> > > dependencies, which brings the count of binary packages that only depend
> > > on perl-modules down to 15:
>
> > > Release team: if we don't find another solution, would you be willing to
> > > allow changes in these packages replacing
> > > Depends: perl-modules
> > > with
> > > Depends: perl
> > > into jessie?
>
> > Yes. Feel free to do this in parallel with trying to find an
> > alternative solution. The sooner we solve this upgrade issue, the better.
>
> Thanks, and sorry for the lack of action on this bug. I'm struggling
> to find any Debian time at the moment.
>
> I doubt we can find any other solution, unless the apt maintainers can
> come up with something. So I assume breaking the circular dependency is
> the way to go even though I'm not very happy about it.
>
> The next step should probably be to review the packages that would pull
> in perl-modules without perl, and see if they would be actually broken
> by the change. If they would, we'll need to declare appropriate Breaks
> in the perl-modules version that doesn't depend on perl anymore.
>
> Changing packages that don't actually break is a lower priority item,
> even if I'd like to see them all changed before the release.
>
> One (somewhat crude) approach would be to file severity:serious bugs
> now against all the relevant packages, and then later downgrade any that
> turn out to work with just perl-modules.
I already did this earlier today (and have now added them as blockers
to this).
> Possibly this bug should be cloned against the apt package at the wheezy
> version. I don't think we know currently if it's still hiding in the
> jessie version too?
>
> As things are, circular dependencies seem to have become so fragile that
> we might as well forbid them in the policy IMO...
>
> I probably won't be able to work on any of this before the weekend.
> Help is certainly welcome.
Will help out where I can.
Dominic.
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