Hi,

On 2016-03-17 00:10:55 +0000, Manuel A. Fernandez Montecelo wrote:
> With the SolutionCost of "removals", aptitude doesn't take into account
> installing by priorities or non-default releases, it just tries to
> minimise the removals, so seing that it could solve the problem by
> upgrading to 2.7-1~exp1, it just did that.

IMHO, that's bad. FYI, I chose the "removals" SolutionCost to avoid
breaking the system due to removed packages. But installing
experimental packages is not a good solution as such packages may
break the system. There should be a way to block upgrades as long as
they are not safe (no removals of manually installed packages[*], no
experimental packages).

[*] except when the feature is provided by another package (such as
with renamed packages).

-- 
Vincent Lefèvre <[email protected]> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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