Bug#874772: exim4: Use of /var/lib/apt/lists internals

[Marc Haber]

On Sat, Sep 09, 2017 at 04:39:23PM +0200, Andreas Metzler wrote:
> On 2017-09-09 Julian Andres Klode <jak at debian.org> wrote:
> > Package: exim4
> > Severity: important
> > User: deity at lists.debian.org
> > Usertags: apt-internals
> 
> > Dear Maintainer of exim4,
> 
> > your package appears to be relying on the internal layout of
> > /var/lib/apt/lists and the location of that directory (which is
> [...]
> > Instead of relying on internals, please use the interfaces provided by
> > APT 1.1 and newer:
> [...]
> > ## Command-line interfaces
> [...]
> 
> Thanks for the nice explanation to fix the issue. Fixed in GIT.

Wouldn't

grep-aptavail --show-field=Package --field=Provides mail-transport-agent
--no-field-names

be a nicer solution than the construct that you committed? or is
grep-aptavail also deprecated?

Greetings
Marc

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