[DRE-maint] Bug#1031505: redmine: Install (upgrade) 5.x on Bullseye fails on NameError Redmine::Plugin

[Alban Browaeys]

Forwarding to submitter per he was not included in the recipients
(forwarding to the bug report does not forward to submitter):

On Fri, 17 Feb 2023 23:48:18 +0100 Jakob Haufe <sur5r at debian.org> 

> We discussed this in IRC (#debian-ruby in OFTC, feel free to pass by)
> and couldn't reproduce the problem.
> 
> We installed redmine 4.0 from buster backports and updated the VM to
> bullseye, once by installing only the minimum set of packages from
> backports and once by installing as much as possible from backports.
> 
> Both installs and updates worked fine.
> 
> To help investigate this further, could you please provide us with
the
> following:
> 
> 1. Any plugins you have installed in redmine, either via the Debian
>    repository or manually.
> 2. The output of apt-forktracer (from the package with the same
name).
> 
> Cheers,
> sur5r
> 
> -- 
> ceterum censeo microsoftem esse delendam.

Indeed you probably have a redmine plugin that requires an upgrade to a
version of this plugin that supports redmine5.

Cheers,
Alban