Bug#1004980: libtbb12: missing Breaks+Replaces: libtbb2 (<< 2021)

[Andreas Beckmann]

Package: libtbb12
Version: 2021.5.0-1
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.
This error may also be triggered by having a predecessor package from
'sid 'installed while installing the package from 'experimental'.

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 .../libtbb12_2021.5.0-1_amd64.deb ...
  Unpacking libtbb12:amd64 (2021.5.0-1) ...
  dpkg: error processing archive /var/cache/apt/archives/libtbb12_2021.5.0-1_amd64.deb (--unpack):
   trying to overwrite '/usr/lib/x86_64-linux-gnu/libtbbmalloc.so.2', which is also in package libtbb2:amd64 2020.3-1
  Errors were encountered while processing:
   /var/cache/apt/archives/libtbb12_2021.5.0-1_amd64.deb


If libtbb12 contains multiple libraries with different SOVERSIONs, you
should consider splitting the package further ...


cheers,

Andreas
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