build.xml

<?xml version="1.0" encoding="UTF-8" ?>
<project name="jenkins-liverebel-plugin" default="alter-hpi">

  <target name="alter-hpi">
    <property name="final.artifact" value="${project.build.directory}/${project.build.finalName}.${project.packaging}"/>
    <property name="final.artifact.expanded" value="${project.build.directory}/${project.build.finalName}-expanded"/>
    <property name="final.artifact.shaded" value="${project.build.directory}/${project.build.finalName}-shaded.jar"/>
    <taskdef name="jarjar" classname="com.tonicsystems.jarjar.JarJarTask" classpath="${com.googlecode.jarjar:jarjar:jar}"/>
    <unzip src="${final.artifact}" dest="${final.artifact.expanded}"/>
    <delete file="${final.artifact}"/>
    <!-- We shade the logging API and implementation, so we do not conflict with Jenkins internals -->
    <jarjar jarfile="${final.artifact.shaded}">
      <fileset dir="${final.artifact.expanded}/WEB-INF/classes"/>
      <zipgroupfileset dir="${final.artifact.expanded}/WEB-INF/lib" includes="*.jar" />
      <rule pattern="org.slf4j.**" result="org.zeroturnaround.jenkins.shaded.@0"/>
      <rule pattern="org.apache.**" result="org.zeroturnaround.jenkins.shaded.@0"/>
      <rule pattern="ch.qos.logback.**" result="org.zeroturnaround.jenkins.shaded.@0"/>
    </jarjar>
    <delete dir="${final.artifact.expanded}/WEB-INF/classes"/>
    <delete dir="${final.artifact.expanded}/WEB-INF/lib"/>
    <mkdir  dir="${final.artifact.expanded}/WEB-INF/lib"/>
    <move file="${final.artifact.shaded}" tofile="${final.artifact.expanded}/WEB-INF/lib/${project.build.finalName}.jar"/>
    <zip destfile="${final.artifact}">
      <fileset dir="${final.artifact.expanded}"/>
    </zip>
    <delete dir="${final.artifact.expanded}"/>
  </target>

</project>