[Freedombox-discuss] How do we handle package upgrades on the Freedombox?

[Jonas Smedegaard]

Quoting Petter Reinholdtsen (2014-04-17 08:20:22)
> [James Valleroy]
>> I think we can use dpkg-reconfigure without the interactive frontend:
>>
>> echo "jwchat jwchat/ApacheServerName string $hostname" | debconf-set-selections
>> DEBIAN_FRONTEND=noninteractive dpkg-reconfigure jwchat
>>
>> Do you see any issues with this approach?
>
> [Jonas Smedegaard]
> > Well, if it works then maybe it will keep working.
> > 
> > I just worry that manpage seems to describe a different intent.
>
> If that work, jwchat is broken, as the setting on disk is supposed to 
> override the debconf value and preseeding like that is only supposed 
> to work for the first time installation.  In other word, if this work 
> then jwchat is broken and should be changed to make sure it do not 
> work.  I even believe such behaviour is RC as it is against Debian 
> policy (10.7.3 Behavior) to behave like this.
>
> For configuration changes like the one above, the debconf frontend 
> need to ignore debconf SET calls done by jwchat and provide its own 
> answer (the new hostname) no matter what the package read from disk. I 
> am not aware of anything implementing such feature at the moment, and 
> not quite sure it will work.

Seems to me that you are basically arguing that debconf in its current 
form only legally works on initial install and interactively by admins - 
not as automated reconfiguration by other packages.

Is that correctly understood?

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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