Bug#763669: adwaita-icon-theme: circular dependency hell

[Michael Biebl]

Am 22.04.2015 um 23:00 schrieb Bill Allombert:
> On Wed, Apr 22, 2015 at 02:17:03PM +0200, Michael Biebl wrote:
>> Am 22.04.2015 um 13:11 schrieb Bill Allombert:
>>> On Wed, Apr 22, 2015 at 12:55:19PM +0300, Vlad Orlov wrote:
>>>> Hi Michael,
>>>>
>>>>> Not release critical. Restoring previous severity.
>>>>
>>>> Are you sure? This might break Wheezy -> Jessie upgrades...
>>>
>>> Actually, this is more likely to break Jessie to Jessie+1 upgrade.
>>> The problem is caused by the need to break the cycle during upgrade.
>>> Adding new cycle is not an issue per se (except that of course the
>>> cycle will need to broken in the next upgrade). The symptom is apt-get
>>> trying to remove packages instead of upgrading them.
>>
>> I made several updates of the adwaita-icon-theme package with that
>> dependency cycle without problems.
> 
> As long as the dependency graph does not change, things generally work.
> However, if Jessie+1 uses a different theme and adwaita-icon-theme is
> deprecated, then it starts to get messy.
> 
>> Do you have an references (like actual bug reports) where apt did remove
>> a package because of such a dep cycle?
> 
> Yes, this was rather frequent before circular dependencies were culled down.

Or because apt (and aptitude) are better nowadays in handling that.

> The worse is probably #310490

That's a rather old bug report. Is there something more recent?

> Anyway, this bug is trivial to fix, there is not much point arguing severity.

So far, no such trivial patch has been proposed.

Michael
-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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