diff options
author | Michael Vogt <michael.vogt@ubuntu.com> | 2013-05-08 17:46:31 +0200 |
---|---|---|
committer | Michael Vogt <michael.vogt@ubuntu.com> | 2013-05-08 17:46:31 +0200 |
commit | dec5b117052b77e4366efd8234e0cec09989b700 (patch) | |
tree | 71ded1f485c8f63841041fded68ec44109798828 /apt-pkg | |
parent | 1dea08eb2e1115b8da14cc3da02d53f8e069ba14 (diff) |
* apt-pkg/algorithms.cc:
- Do not propagate negative scores from rdepends. Propagating the absolute
value of a negative score may boost obsolete packages and keep them
installed instead of installing their successors. (Closes: #699759)
Diffstat (limited to 'apt-pkg')
-rw-r--r-- | apt-pkg/algorithms.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 8cd9d4c6e..991d425e3 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -645,7 +645,10 @@ void pkgProblemResolver::MakeScores() D->Type != pkgCache::Dep::Recommends)) continue; - Scores[I->ID] += abs(OldScores[D.ParentPkg()->ID]); + // Do not propagate negative scores otherwise + // an extra (-2) package might score better than an optional (-1) + if (OldScores[D.ParentPkg()->ID] > 0) + Scores[I->ID] += OldScores[D.ParentPkg()->ID]; } } |