Comment 11 for bug 349996

I'm sorry, I don't mean to transform this into a Debian Packaging 101 :) We can continue elsewhere, or just point me to some docs or other packages that have a similar problem.

So what if only python-zopeinterface is being upgraded? landscape-sysinfo is installed and is not being upgraded in this example. Then suddenly when python-zopeinterface is being configured (the new version), the cron job hits. How can the cron job detect this situation and decide to not run?