scratch/synase-multimodules/modules/extensions/maven.xml

<?xml version="1.0" encoding="UTF-8"?>
<project default="jar"
         xmlns:j="jelly:core"
         xmlns:u="jelly:util"
         xmlns:deploy="deploy"
         xmlns:ant="jelly:ant"
         xmlns:maven="jelly:maven"
         xmlns:define="jelly:define">

    <j:set var="dist.name" value="${pom.artifactId}-${pom.currentVersion}"/>
    <!--<j:set var="dist.dir" value="target/dist"/>-->
    <j:set var="extensions.dir" value="target/extensions"/>

    <postGoal name="test:test">
        <j:if test="${context.getVariable('maven.test.skip') != 'true'}">
            <attainGoal name="extensions"/>
        </j:if>
    </postGoal>


    <goal name="extensions">
        <mkdir dir="${extensions.dir}/spring"/>
        <mkdir dir="${extensions.dir}/spring/META-INF"/>
        <ant:copy todir="${extensions.dir}/spring">
            <ant:fileset dir="target/classes">
                <ant:include name="**/spring/**"/>
            </ant:fileset>
        </ant:copy>
        <ant:copy todir="${extensions.dir}/spring/META-INF">
            <ant:fileset dir="src/META-INF">
                <ant:include name="**"/>
            </ant:fileset>
        </ant:copy>

        <jar jarfile="${extensions.dir}/spring_mediator.jar"
             basedir="${extensions.dir}/spring">
            <include name="**"/>
        </jar>
        <ant:delete dir="${extensions.dir}/spring"/>
    </goal>
</project>