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

[Anders Jackson]

2014-04-17 14:19 GMT+02:00 Jonas Smedegaard <dr at jones.dk>:
> Quoting Anders Jackson (2014-04-17 13:14:56)
>> Den 17 apr 2014 11:25 skrev "Jonas Smedegaard" <[1]dr at jones.dk>:
>> > Quoting Petter Reinholdtsen (2014-04-17 08:20:22)
>>>> If that work, jwchat is broken,
> [snip]
>>> Ahh, now I realize what your point is: Declaring and applying must be
>>> done together - so as to distinguish between stale answers (which
>>> must not take precedence over package data) and current explicitly
>>> seeded answers (which should take precedence).
>>
>> So if dpkg-reconfigure is trained to takes precedence as file
>> contents, stdin and/or switches, it would be ok then?
>
> Nope.
>
> Imagine package foo-player with two debconf questions, gtk-theme and
> audio-bus.
>
>  1) install foo-player, and select "green" and "JackD"
>  2) edit /etc/foo-player.cfg to "theme = blue"
>  3) preseed new value for audio-bus "Pulseaudio"
>  4) run "dpkg-reconfigure --favor-answers-over-pkgstate"
>
> Result would be that *both* theme and bus would be changed.

I was thinking in the way of changing 3 and 4 into this instead.

dpkg-reconfigure --preseed="foo-player audio-bus string pulseaudio" foo-player

And if you edit the file without debconf, it will detect that and not
touch it anyway, wouldn't it?

> I have now raised the question at debian-devel at l.d.o - let's
> discuss technical details there instead:
> https://lists.debian.org/debian-devel/2014/04/msg00453.html

OK

>  - Jonas