maven.xml

<project default="java:jar">

  <preGoal name="dist:build-bin">
    
    <copy todir="${maven.build.dir}/${maven.final.name}/bin/${maven.final.name}">
      <fileset dir="${basedir}">
        <include name="RELEASE-NOTES.txt"/>
      </fileset>
    </copy>
    
  </preGoal>

  <preGoal name="dist:build-src">
    
    <copy todir="${maven.build.dir}/${maven.final.name}/src/${maven.final.name}">
      <fileset dir="${basedir}">
        <include name="RELEASE-NOTES.txt"/>
      </fileset>
    </copy>
    
  </preGoal>

</project>