Package: libsidplayfp5
Version: 2.0.0-1
Severity: serious
User: debian...@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 .../libsidplayfp5_2.0.0-1_amd64.deb ...
  Unpacking libsidplayfp5:amd64 (2.0.0-1) ...
  dpkg: error processing archive 
/var/cache/apt/archives/libsidplayfp5_2.0.0-1_amd64.deb (--unpack):
   trying to overwrite '/usr/lib/x86_64-linux-gnu/libstilview.so.0', which is 
also in package libsidplayfp4:amd64 1.8.8-1
  Errors were encountered while processing:
   /var/cache/apt/archives/libsidplayfp5_2.0.0-1_amd64.deb


Mixing shared libraries with uncorrelated SOVERSIONS in one binary
package is not recommended, since it requires strict Breaks+Replaces,
preventing co-installability and smooth upgrades.


cheers,

Andreas

Attachment: libsidplayfp4=1.8.8-1_libsidplayfp5=2.0.0-1.log.gz
Description: application/gzip

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