Bug#699759: apt: score computation may prefer obsolete installed packages over their successors
On 2013-02-04 18:58, Andreas Beckmann wrote:
> Suggestions for alternative propagation functions:
> // ignore negatives, they already contributed
> // PrioDepends/PrioRecommends to our score
> Score += max(0, RDepScore)
So far I have made a few experiments with this solution and I can
confirm that it would reduce the number of "kept back" issues on
squeeze->wheezy upgrades as tested by piuparts:
* kept back issues: 212 pass + 17 fail => 147 pass + 11 fail
* dependency-failed-testing: 164 => 46
Andreas
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