:: Re: [DNG] OT: how to trigger debcon…
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Autor: Didier Kryn
Data:  
Para: dng
Assunto: Re: [DNG] OT: how to trigger debconf on package upgrade?
Le 17/02/2016 14:09, Florian Zieboll a écrit :
> On Wed, 17 Feb 2016 11:04:04 +0100
> Didier Kryn <kryn@???> wrote:
>
>>       I think 'dpkg-reconfigure <package-name>' should work.
> You got me wrong ;) I have here a script that got stuck on the latest
> glibc/locales update (apt-get upgrade -y -q). The log shows, that it
> ran into interactive debconf. After downgrading to the previous
> "locales" version, the script smoothly does its job, no way to
> reproduce the problem, whereas /var/cache/debconf/config.dat does not
> contain any version information.

>
> Assumptions so far: To trigger interactive debconf on a package
> upgrade...
>
> a) as local admin, I'd have to mess with /var/cache/debconf/config.dat
>     or reconfigure debconf to present lower-priority questions.

>
> b) as a package maintainer, I could modify the package's
>     debconf-igurable items or their syntax.

>
> Conclusion: To make an unattended upgrade script more robust, I have to
> export "DEBIAN_FRONTEND=noninteractive" before running the upgrade. But
> thus I risk ending up with un-debconf-igured packages on my system (see
> "assumptions" above).
>
> Follow-up (meta) question: For safe unattended upgrades, wouldn't it
> make sense to force packages that come with modified debconf rules into
> the "dist-upgrade" workflow?
>

     This is going beyond my incompetence level. Sorry.