Bug#351056: many packages involved, not just python-twisted

[Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>]

Andrew Schulman <andrex@alumni.utexas.net> writes:

>> You have two builds of the same package/version. Apt-get wants to
>> install one of them but your cache already contains the other one. So
>> every upgrade reinstalls the wrong one.
>
> Well I don't understand that; and if it's true it seems to still be a bug.  
> We still have the behavior that apt-get is trying to reinstall the same 
> packages over and over again with the same versions as are currently 
> installed.  Why do those package files have the same package name and 
> version number, if they're really different?  But maybe that's not 
> apt-get's fault; I don't know enough about it to know.

For example because you did rebuild a package localy with the same
version. Or like amd64 now the official repository is a rebuild of the
same versions the unofficial archive has.

> Anyway if an occasional 'apt-get clean' is all that's needed to work around 
> the problem, I can live with that.  However...
>
>> apt-get clean; apt-get upgrade
>
> No, this does not fix the problem.  apt-get still wants to reinstall all of 
> the same packages.

Once or more than once?

MfG
        Goswin