[DRE-maint] Bug#857375: ruby-jar-dependencies: fails to upgrade from 'jessie' - trying to overwrite /usr/lib/ruby/vendor_ruby/rubygems_plugin.rb

[Andreas Beckmann]

Package: ruby-jar-dependencies
Version: 0.3.10-1
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
'jessie'.
It installed fine in 'jessie', then the upgrade to 'stretch' 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 ruby-jar-dependencies.
  Preparing to unpack .../ruby-jar-dependencies_0.3.10-1_all.deb ...
  Unpacking ruby-jar-dependencies (0.3.10-1) ...
  dpkg: error processing archive /var/cache/apt/archives/ruby-jar-dependencies_0.3.10-1_all.deb (--unpack):
   trying to overwrite '/usr/lib/ruby/vendor_ruby/rubygems_plugin.rb', which is also in package yard 0.8.7.4-1
  Errors were encountered while processing:
   /var/cache/apt/archives/ruby-jar-dependencies_0.3.10-1_all.deb


cheers,

Andreas
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