Re: apt-get aptitude dependencies purge

[Tom H <tomh0665@gmail.com>]

On Thu, Oct 31, 2013 at 4:38 PM, Sven Joachim <svenjoac@gmx.de> wrote:
> On 2013-10-31 13:42 +0100, berenger.morel@neutralite.org wrote:
>
>> Le 31.10.2013 13:12, Tom H a écrit :
>>
>>> Set 'Aptitude::Keep-Suggests "false";' in "/etc/apt/apt.conf.d/" and
>>> check whether the behavior changes.
>>
>> Just did the change:
>> I added a file name "/etc/apt/apt.conf.d/keep_suggests" which contains
>> the line you gave. Nothing changes in behavior, if I make mpd
>> automatically installed, it is not removed. In things depending on
>> mpd, only mpc and ncmpcpp suggests it. It also says it enhances
>> mpc. There are no installed packages which recommends or depends on
>> mpd.
>>
>> I also tried with APT::Keep-Suggests, just in case, but still no
>> changes. Are you sure that this option exists? I can not find any
>> documentation about it, only random threads here and there, but no
>> real documentation. I am probably not searching the good place, so
>> could you give me a hint about where to search? I'm really interested
>> by such kind of options.
>
> I found the right option in the apt changelog, it's called
> APT::AutoRemove::SuggestsImportant.
>
> ,----
> | apt (0.8.15.3) unstable; urgency=low
> | [...]
> |   * apt-pkg/depcache.cc:
> |     - change default of APT::AutoRemove::SuggestsImportant to true
> |
> |  -- Michael Vogt <mvo@debian.org>  Mon, 25 Jul 2011 15:04:43 +0200
> `----
>
> So the default behavior has indeed changed in Wheezy.
>
> And for aptitude there is this in the Debian changelog:
>
> ,----
> | aptitude (0.5.9rc1-1) experimental; urgency=low
> |
> |   * New upstream release.
> |   [...]
> |     - Document that the "standard" apt options
> |       Apt::AutoRemove::SuggestsImportant and
> |       Apt::AutoRemove::RecommendsImportant should be used instead of
> |       Aptitude::Keep-Suggests and Aptitude::Keep-Recommends.
> |
> |  -- Daniel Burrows <dburrows@debian.org>  Tue, 08 Sep 2009 21:23:11 -0700
> `----
>
> I can confirm that setting Aptitude::Keep-Suggests has no effect, but
> setting APT::AutoRemove::SuggestsImportant does.

Thanks.

So the "bad" variables are still documented in the aptitude docs and
the "good" variables are undocumented except in the changelog. :(