Strategies for managing many small maven2 and hudson projects

So you finally decided to structure your maven2 projects properly, e.g. identify the correct set of plugin versions/configurations that work well in your environment, introduce a set of corporate POMs.... You also decided to clean up your hudson usage, use new plugins, etc...

You have to change many POMs, probably adapt hudson projects as well. You don't want to change all those configurations one by one. The good news is that both maven and hudson use XML as storage for the config files.

Here are some tips and tools you might want to use: