[Debian-med-packaging] Bug#953358: python3-ball: missing (unversioned) Breaks+Replaces: python-ball

[Andreas Beckmann]

Package: python3-ball
Version: 1.5.0+git20180813.37fc53c-5
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
'sid' to 'experimental'.
It installed fine in 'sid', then the upgrade to 'experimental' 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/ch-relationships.html#overwriting-files-and-replacing-packages-replaces

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

  Preparing to unpack .../python3-ball_1.5.0+git20180813.37fc53c-5_amd64.deb ...
  Unpacking python3-ball (1.5.0+git20180813.37fc53c-5) ...
  dpkg: error processing archive /var/cache/apt/archives/python3-ball_1.5.0+git20180813.37fc53c-5_amd64.deb (--unpack):
   trying to overwrite '/usr/share/BALL-1.5/PYTHON/BALLView/add_hydrogens_BV.py', which is also in package python-ball 1.5.0+git20180813.37fc53c-4
  Errors were encountered while processing:
   /var/cache/apt/archives/python3-ball_1.5.0+git20180813.37fc53c-5_amd64.deb

Since python-ball is gone in experimental, the B+R can be unversioned.


cheers,

Andreas
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