$ cd jbosstools-target-platforms/ $ git fetch jbosstools pulls/head/104 $ git checkout FETCH_HEAD $ cd jbosstools/multiple $ mvn clean installSo you have TP 4.50.0.Alpha1-SNAPSHOT installed, with the suggested changes, then
$ cd jbosstools-mysupercomponent/ $ mvn clean verify -Pmultiple.target -Dtpc.version=4.50.0.Alpha1-SNAPSHOT