[Piuparts-devel] Bug#802499: testing plugin packages during upgrades

[Daniel Pocock]

On 20/10/15 20:06, Andreas Beckmann wrote:
> On 2015-10-20 19:50, Daniel Pocock wrote:
>> a) sets of related packages:
>>     package foo : a package with an init script
>>     package foo-plugin:
>>        - has a dependency on foo
> 
>> b) scenarios to test would be something like:
>>      upgrade runs foo-plugin/postinst before foo/postinst
> 
> With foo in unpacked, but unconfigured state? That should not happen
> unless there is a bug in apt/dpkg (or you have circular dependencies).
> 


During an upgrade from wheezy to jessie, I saw it happen with
ganglia-monitor and ganglia-modules-linux

Note that in alphabetical order

   ganglia-modules-linux < ganglia-monitor

and maybe that is why dist-upgrade ran the scripts in that order.

The details are explained in
https://bugs.debian.org/791403

Regards,

Daniel