Bug#699759: apt: score computation may prefer obsolete installed packages over their successors

[Michael Vogt <mvo@debian.org>]

On Sat, May 04, 2013 at 02:20:42PM +0200, Andreas Beckmann wrote:
> Followup-For: Bug #699759
> Control: tag -1 patch

Thanks for your bugreport and your patch.
 
> I'm attaching a patch that just skips regative scores from rdeps. I
> thought I sent this long ago ...
> It has gotten a lot of testing for doing piuparts squeeze->wheezy
> upgrades with apt/wheezy+patch (backported to squeeze). Compared to
> apt/wheezy (backported to squeeze, too) this solves the score issue
> for a few upgrade paths and does not introduce new problems.
> 
> This has mainly an effect on "leaf" packages with scores <= 2.
> "Skewing" the score by +/- 1 makes a big difference here.
> 
> I'd like to see if this issue could be solved in an early point release
> for wheezy, too, to have a more sane scoring at work for wheezy->jessie
> upgrades.
[..]

I merged this into the recent unstable upload and its also available
in the debian-wheezy branch. Should I do a proposed-updates upload
with this fix right away or shall we wait a little bit to see how well
the change works in unstable first?

Cheers,
 Michael