Policy or best practice on mentioning dependency issues
Florian Festi
ffesti at redhat.com
Mon Oct 22 14:27:11 UTC 2007
seth vidal wrote:
> On Mon, 2007-10-22 at 10:46 +0200, Florian Festi wrote:
>> For dist upgrades it might even be
>> necessary to remove already installed pkgs. This all has to be done with
>> care or you end up with a system with some of the essential pkgs (kernel,
>> glibc, yum, Python, ...) missing or in an endless loop.
>
> there are several thousand ways that I hate "removing already installed
> pkgs" as an automatic solution to a depsolving problem. That kind of
> thinking for me does not fill me with confidence as I've watched that
> behavior screw up far too often.
We have implemented that in our own depsolver where it works quite well. We
were able to upgrade between all Fedora releases since FC4 without manual
interaction. But for a machine I care about I would omit the -y switch...
In fact there is no way doing dist upgrades without removing old packages.
And I have more confidence in an well thought algorithm than into a hand
crafted pkg list.
Florian
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