[Pkg-phototools-devel] Bug#780240: libgphoto2-port10: Wrong transition package for ABI changing library

[Andreas Beckmann]

Followup-For: Bug #780240

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#s-replaces

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

  Selecting previously unselected package libgphoto2-port12:amd64.
  Preparing to unpack .../libgphoto2-port12_2.5.7-1_amd64.deb ...
  Unpacking libgphoto2-port12:amd64 (2.5.7-1) ...
  dpkg: error processing archive /var/cache/apt/archives/libgphoto2-port12_2.5.7-1_amd64.deb (--unpack):
   trying to overwrite '/usr/lib/x86_64-linux-gnu/libgphoto2_port.so.10', which is also in package libgphoto2-port10:amd64 2.5.4-1.1+b2
  Preparing to unpack .../libgphoto2-6_2.5.7-1_amd64.deb ...
  Unpacking libgphoto2-6:amd64 (2.5.7-1) over (2.5.4-1.1+b2) ...
  Processing triggers for udev (215-12) ...
  Errors were encountered while processing:
   /var/cache/apt/archives/libgphoto2-port12_2.5.7-1_amd64.deb


There must not be a libgphoto2_port.so.10 symlink in the libgphoto2-port12 
package.


cheers,

Andreas
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