Bug#993714: conffile which got removed during upgrade reported missing

[Axel Beckert]

Hi Florian,

Florian Schlichting wrote:
> On Sun, Sep 05, 2021 at 01:19:44PM +0200, Evangelos Ribeiro Tzaras wrote:
> > Is this behaviour expected? Could it be that the new `remove-on-upgrade`
> > feature added to dpkg in 1.20.9 is not (yet) understood by debsums?
> 
> this.

Yep.

> I think this is similar to conffiles marked "obsolete" (cf.
> #689508),

Probably.

> and I've just pushed a one-line patch to ignore all lines containing the
> remove-on-upgrade flag. However I'd prefer if somebody else has a look
> to confirm this solution,

Will do.

> (Axel, you must have looked into this when developing the "obsolete"
> fix?)

Actually Andreas Beckmann came up with that and I just fine-tuned
things a bit.

But that was back in 2017 while remove-on-upgrade is really, really
new. Actually it got introduced just very shortly before the soft
freeze for Bullseye when IIRC the toolchain freeze (December 2020,
right?) actually was already through if I read dpkg's changelog
correctly. *sigh*

		Regards, Axel
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