[Debian-med-packaging] Bug#908472: python3-vtkgdcm: missing Breaks+Replaces: python-vtkgdcm

[Andreas Beckmann]

Package: python3-vtkgdcm
Version: 2.8.7-2
Severity: serious
User: debian-qa at lists.debian.org
Usertags: piuparts

Hi,

during a test with piuparts I noticed your package fails to upgrade from
'stable'.
It installed fine in 'stable', then the upgrade to 'sid' fails
because it tries to overwrite other packages files without declaring a
Breaks+Replaces relation.

See policy 7.6 at
https://www.debian.org/doc/debian-policy/#overwriting-files-and-replacing-packages-replaces

This test intentionally skipped 'testing' to find file overwrite
problems before packages migrate from 'unstable' to 'testing'.

>From the attached log (scroll to the bottom...):

  Preparing to unpack .../python3-vtkgdcm_2.8.7-2_amd64.deb ...
  Unpacking python3-vtkgdcm (2.8.7-2) ...
  dpkg: error processing archive /var/cache/apt/archives/python3-vtkgdcm_2.8.7-2_amd64.deb (--unpack):
   trying to overwrite '/usr/lib/x86_64-linux-gnu/libvtkgdcmPythonD.so', which is also in package python-vtkgdcm 2.6.6-3
  Errors were encountered while processing:
   /var/cache/apt/archives/python3-vtkgdcm_2.8.7-2_amd64.deb


cheers,

Andreas
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