Bug#591881: vlc-nox: package fails to upgrade properly from lenny

[Moritz Muehlenhoff <jmm@inutil.org>]

Hi,

On Fri, Aug 06, 2010 at 02:55:31PM -0400, Reinhard Tartler wrote:

> In any case, Moritz has localized this issue:
> 
> jmm@galadriel:~$ sudo chroot chroots/lenny/
> root@galadriel:/# apt-get install libavformat52 libavcodec51
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> libavcodec51 is already the newest version.
> libavcodec51 set to manually installed.
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
> 
> The following packages have unmet dependencies:
>   libavformat52: Breaks: libavcodec51 (< 3:0.svn20090303-1) but 0.svn20080206-18+lenny1 is to be installed
> E: Broken packages
> root@galadriel:/#
> 
> The breaks is in place to force apt to not install libavformat52
> together with libavcodec51; The corresponding changelog entry is here:
> 
> ffmpeg-debian (3:0.svn20090303-1) unstable; urgency=low
> 
> [...]
>   * The libavformat52 now links against libavcodec52, which breaks
>     applications that *ALSO* link against libavcodec51. Adding a
>     Breaks: libavcodec51 should prevent this and (hopefully) Closes: #516885.
> [...]
> 
>  -- Reinhard Tartler <siretart@tauware.de>  Tue, 03 Mar 2009 21:01:25 +0100
> 
> Now we are having other upgrade problems. hrmpf.
> 
> any ideas what's the correct approach here?

This smells like a apt bug, it seems to not parse the versioned Breaks
correctly? aptitude gets it right.

Since all the packages in Squeeze have been recompiled and libavcodec51
no longer exists, you might just as well drop the Breaks. AFAICT it was
needed for the transition, which is now done?

Cheers,
        Moritz