Modify Sencha build.xml Ant, to copy folders to a different destination

gistfile1.txt

      <tstamp>
          <format property="today" pattern="yyyy-MM-dd"/>
      </tstamp>

      <property
          name="destinationFolder"
          value="${build.dir}/../../dist/${app.name}/${today}"
      />

      <!-- Example, of how to copy the build folder to a different destination-->
      <copy todir="${destinationFolder}" overwrite="true">
          <fileset dir="${build.dir}">
              <include name="**/*" />
          </fileset>
      </copy>