[Debichem-devel] Bug#999907: libglobalarrays-dev, libga-dev: both ship /usr/lib/x86_64-linux-gnu/libga.a

[Boyuan Yang]

X-Debbugs-CC: mbanck at debian.org debichem-devel at lists.alioth.debian.org

Hi,

My personal preference would be implementing mutual conflict.

Michael: Please let me know whether this works for you. I can make an NMU to
implement mutual conflic for src:ga if you find it necessary.

-- 
Thanks,
Boyuan Yang

On Thu, 18 Nov 2021 11:20:50 +0100 Andreas Beckmann <anbe at debian.org> wrote:
> Package: libglobalarrays-dev,libga-dev
> Severity: serious
> Tags: sid bookworm
> User: treinen at debian.org
> Usertags: edos-file-overwrite
> Control: found -1 5.7.2-2
> Control: found -1 1:2.4.7-5
> 
> 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 .../libga-dev_1%3a2.4.7-5_amd64.deb ...
>   Unpacking libga-dev:amd64 (1:2.4.7-5) ...
>   dpkg: error processing archive /var/cache/apt/archives/libga-
dev_1%3a2.4.7-5_amd64.deb (--unpack):
>    trying to overwrite '/usr/lib/x86_64-linux-gnu/libga.a', which is also in
package libglobalarrays-dev 5.7.2-2
>   dpkg-deb: error: paste subprocess was killed by signal (Broken pipe)
>   Errors were encountered while processing:
>    /var/cache/apt/archives/libga-dev_1%3a2.4.7-5_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.
> 
> 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/libga.a
> 
> 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.
> 
> 
> libglobalarrays-dev does have one reverse build-dependency: nwchem.
> libga-dev does have none.
> 
> 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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