Use this archetype as following: mvn archetype:create -DarchetypeGroupId=net.sourceforge.jarchive -DarchetypeArtifactId=jarchive-archetype -DarchetypeVersion=1.0-SNAPSHOT -DgroupId=net.sourceforge.jarchive -DartifactId=platform.xyz.extensionArchive
for instance mvn archetype:create -DarchetypeGroupId=net.sourceforge.jarchive -DarchetypeArtifactId=jarchive-archetype -DarchetypeVersion=1.0-SNAPSHOT -DgroupId=net.sourceforge.jarchive -DartifactId=commodore.disk.t64
for instance mvn archetype:create -DarchetypeGroupId=net.sourceforge.jarchive -DarchetypeArtifactId=jarchive-archetype -DarchetypeVersion=1.0-SNAPSHOT -DgroupId=net.sourceforge.jarchive -DartifactId=unix.tar
After you have created the project use the maven-jarchive-plugin see the instructions there.