On 2021-05-18 22:14:32 +0200, Andreas Beckmann wrote: > Package: libsidplayfp6 > Version: 2.1.2-1 > 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 > > Since libsidplayfp5 is supposed to go away, the B+R can be unversioned. > > >From the attached log (scroll to the bottom...): > > Preparing to unpack .../libsidplayfp6_2.1.2-1_amd64.deb ... > Unpacking libsidplayfp6:amd64 (2.1.2-1) ... > dpkg: error processing archive > /var/cache/apt/archives/libsidplayfp6_2.1.2-1_amd64.deb (--unpack): > trying to overwrite '/usr/lib/x86_64-linux-gnu/libstilview.so.0.0.4', > which is also in package libsidplayfp5:amd64 2.0.5-2 > Errors were encountered while processing: > /var/cache/apt/archives/libsidplayfp6_2.1.2-1_amd64.deb > > > That's the price you pay for shipping multiple shared libraries > with unsynchronized SOVERSION in the same package.
Please use this opportunity and split those libraries into separate packages. The Breaks+Replaces will be needed as well, but for the next transition the situation will be easier. Cheers -- Sebastian Ramacher
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