Managing multiple Maven versions

Lately I’ve been using Apache Maven 3.0 snapshots to test build compatibility on ServiceMix, Karaf and some of the other projects I work on.  I’m also using 2.0.9, 2.0.10, and 2.2.1 to replicate customer environments and build servers, so it gets to be a real pain in the ass to change these around all the time.  To make my life easier, this weekend I hacked up a Maven version of the awesome setjdk and defaultjdk commands written by David Blevins for Mac OSX (if you’re on a Mac and not using these scripts, you should be). (more…)