tuning the behaviour of the -u option?

[René J.V. Bertin]

Hi,

I often long for a possibility to uninstall part of the inactive versions of a port when I upgrade it, but not all. It's probably overkill to support a universal filter that could theoretically catch all possible selections of inactive versions to prune and not to prune. There is however one useful case that might not be so hard: keeping a port's previous version or (easier to implement and guarantee) the currently active version/variant.

Thoughts?

R.