[Debian-ha-maintainers] Bug#809764: libqb6-dev and libqb-dev: error when trying to install together

[Herbert Fortes (hpfn)]

Hi Ralf,

Em 03-01-2016 17:53, Ralf Treinen escreveu:
> Package: libqb-dev,libqb6-dev
> Version: libqb-dev/0.17.2.real-4
> Version: libqb6-dev/6.2.0-3
> Severity: serious
> User: treinen at debian.org
> Usertags: edos-file-overwrite
>
> Date: 2016-01-03
> Architecture: amd64
> Distribution: sid
>
> Hi,
>
> automatic installation tests of packages that share a file and at the
> same time do not conflict by their package dependency relationships has
> detected the following problem:
>
>

[...]
> Preparing to unpack .../libqt5qml5_5.5.1-3_amd64.deb ...
> Unpacking libqt5qml5:amd64 (5.5.1-3) ...
> Selecting previously unselected package libqb6.
> Preparing to unpack .../libqb6_6.2.0-3_amd64.deb ...
> Unpacking libqb6 (6.2.0-3) ...
> Selecting previously unselected package libqb6-dev.
> Preparing to unpack .../libqb6-dev_6.2.0-3_amd64.deb ...
> Unpacking libqb6-dev (6.2.0-3) ...
> dpkg: error processing archive /var/cache/apt/archives/libqb6-dev_6.2.0-3_amd64.deb (--unpack):
>   trying to overwrite '/usr/lib/x86_64-linux-gnu/libqb.so', which is also in package libqb-dev 0.17.2.real-4
> Processing triggers for libc-bin (2.21-6) ...
> Processing triggers for man-db (2.7.5-1) ...
> Errors were encountered while processing:
>   /var/cache/apt/archives/libqb6-dev_6.2.0-3_amd64.deb
> E: Sub-process /usr/bin/dpkg returned an error code (1)
>
>
> This is a serious bug as it makes installation fail, and violates
> sections 7.6.1 and 10.1 of the policy. An optimal solution would
> consist in only one of the packages installing that file, and renaming
> or removing the file in the other package. Depending on the
> circumstances you might also consider Replace relations or file
> diversions. If the conflicting situation cannot be resolved then, as a
> last resort, the two packages have to declare a mutual
> Conflict. Please take into account that Replaces, Conflicts and
> diversions should only be used when packages provide different
> implementations for the same functionality.

As I understand, 'Conflicts' can be a solution. The packages
are for complete different use. And they are *-dev packages.

>
> Here is a list of files that are known to be shared by both packages
> (according to the Contents file for sid/amd64, which may be
> slightly out of sync):
>
>    /usr/lib/x86_64-linux-gnu/libqb.so
>
> This bug has been filed against both packages. If you, the maintainers of
> the two packages in question, have agreed on which of the packages will
> resolve the problem please reassign the bug to that package. You may then
> also register in the BTS that the other package is affected by the bug.
>

regards,
Herbert