[Debian-med-packaging] Bug#834013: emboss, emboss-data: both packages ship /usr/share/man/man1/em_cons.1e.gz

[Andreas Tille]

Hi,

this version was a source only upload.  If I build on my local machine
emboss-data does not contain any dir /usr/share/man.  However, the
binary package on the Debian mirror contains /usr/share/man/man1 with
has two symlinks which are identical to those in the emboss package.

I can not reproduce this and I'm wondering why the source only upload
creates files that are not created on a local build.

Kind regards

       Andreas.

On Thu, Aug 11, 2016 at 02:18:00PM +0200, Andreas Beckmann wrote:
> Package: emboss,emboss-data
> Version: 6.6.0+dfsg-4
> Severity: serious
> User: treinen at debian.org
> Usertags: edos-file-overwrite
> 
> 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:
> 
>   Selecting previously unselected package emboss.
>   (Reading database ... 
> (Reading database ... 8365 files and directories currently installed.)
>   Preparing to unpack .../emboss_6.6.0+dfsg-4_amd64.deb ...
>   Unpacking emboss (6.6.0+dfsg-4) ...
>   dpkg: error processing archive /var/cache/apt/archives/emboss_6.6.0+dfsg-4_amd64.deb (--unpack):
>    trying to overwrite '/usr/share/man/man1/em_cons.1e.gz', which is also in package emboss-data 6.6.0+dfsg-4
>   Errors were encountered while processing:
>    /var/cache/apt/archives/emboss_6.6.0+dfsg-4_amd64.deb
> 
> 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.
> 
> 
> This bug is assigned to 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
> also register in the BTS that the other package is affected by the bug.
> 
> Cheers,
> 
> Andreas
> 
> PS: for more information about the detection of file overwrite errors
> of this kind see https://qa.debian.org/dose/file-overwrites.html


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