Bug#687465: libfreefoam1: fails to upgrade from 'testing' - trying to overwrite /usr/lib/freefoam/libedgeMesh.so.0.1.0

[Andreas Beckmann]

Package: libfreefoam1
Version: 0.1.0+dfsg-1
Severity: serious
User: debian-qa at lists.debian.org
Usertags: piuparts
Control: affects -1 + freefoam

Hi,

during a test with piuparts I noticed your package fails to upgrade from
'testing'.
It installed fine in 'testing', then the upgrade to 'sid' fails
because it tries to overwrite files that are owned by other packages
without declaring a Breaks/Replaces relation.

See policy 7.6 at
http://www.debian.org/doc/debian-policy/ch-relationships.html#s-replaces

This problem is exposed during the upgrade of the 'EXPOSER'
package, not by upgrading only the buggy package itself.
In order to have piuparts automatically track this problem, I'll mark
this bug as Affects/Found in the exposing package(s), too.

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

  Selecting previously unselected package libfreefoam1.
  Unpacking libfreefoam1 (from .../libfreefoam1_0.1.0+dfsg-1_amd64.deb) ...
  dpkg: error processing /var/cache/apt/archives/libfreefoam1_0.1.0+dfsg-1_amd64.deb (--unpack):
   trying to overwrite '/usr/lib/freefoam/libedgeMesh.so.0.1.0', which is also in package libfreefoam 0.1.0-1
  dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
  Preparing to replace freefoam 0.1.0-1 (using .../freefoam_0.1.0+dfsg-1_amd64.deb) ...
  Unpacking replacement freefoam ...
  Errors were encountered while processing:
   /var/cache/apt/archives/libfreefoam1_0.1.0+dfsg-1_amd64.deb


cheers,

Andreas
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