This plugin isn't bundled in the maven 1 distribution thus you have deploy it in your local installation of maven 1, or you have to define it in your project dependencies (RECOMMENDED).
We suppose that CURRENT_VERSION is the version of the plugin you want to use. The changes report gives you the list of versions actually available.
If you want to use a SNAPSHOT of this plugin, you'll certainly have to add the following remote repositories in your settings (property maven.repo.remote) :
http://snapshots.dist.codehaus.org/modello/ : To acquire snapshots of modello.http://people.apache.org/repo/m1-snapshot-repository/ : To acquire snapshots of the modello plugin for m1.To install it locally, you just have to launch this command :
You have to do it on all installations of maven 1 which will be used to build your project.
You can easily ask to maven to download/install/use this plugin in your project. You just have to add in your project POM a dependency to this plugin :