Bug#952688: gnome-session-flashback: missing Breaks+Replaces: gnome-flashback-common (<< 3.35.2)

[Andreas Beckmann]

Package: gnome-session-flashback
Version: 3.35.2-1
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
'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/ch-relationships.html#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...):

  Selecting previously unselected package gnome-session-flashback.
  Preparing to unpack .../252-gnome-session-flashback_3.35.2-1_all.deb ...
  Unpacking gnome-session-flashback (3.35.2-1) ...
  dpkg: error processing archive /tmp/apt-dpkg-install-bCz4Aj/252-gnome-session-flashback_3.35.2-1_all.deb (--unpack):
   trying to overwrite '/usr/share/glib-2.0/schemas/00_gnome-flashback.gschema.override', which is also in package gnome-flashback-common 3.34.2-1
  Errors were encountered while processing:
   /tmp/apt-dpkg-install-bCz4Aj/252-gnome-session-flashback_3.35.2-1_all.deb


cheers,

Andreas
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