Proposed pocket racing uninstallability and SRU verification around release time

[Steve Langasek]

On Thu, Oct 20, 2016 at 09:58:45AM +0000, Adam Conrad wrote:
> On Wed, Oct 19, 2016 at 06:02:35PM -0700, Steve Langasek wrote:

> > The only complication I'm aware of is that we absolutely must have different
> > apt preferences behavior for chroots - such as buildd chroots - than for end
> > user systems; but that should be solvable by using a preferences.d file
> > shipped in the right package.  Probably either software-properties-common or
> > ubuntu-release-upgrader-core?

> That's backwards.  If you want the default to be safe, and the exception
> to be the wild west, we should configure it *just* like backports. 
> NotAutomatic on the server side, no surprises for people without the right
> apt preferences bits in place.

> The buildd chroots already carry a pin for backports to reverse the effect
> of NotAutomatic, and could as easily do so for proposed, if there was
> consensus that this behaviour change is the Way and the Light.

The reason I thought of doing it this way around is that I have existing
chroots where I enable -proposed (for the obvious reasons), and it would be
convenient for me to not have to touch them to add this apt config manually;
I assume there will be other developers in the same boat.

But if there's a preference to change this on the archive side to make the
pocket NotAutomatic and then adjust the buildd chroots, I can live with
that.  I'd just like us to fix it so it's sensible behavior for end users by
default.

-- 
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                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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