ant luke target in Solr build no longer works

<property  name="luke.version" value="1.0.0"/>
  <available file="luke/luke-${luke.version}.jar" property="luke.jar.exists" />
  <target name="luke-download" unless="luke.jar.exists" depends="proxy.setup">
    <mkdir dir="luke"/>
    <get src="http://luke.googlecode.com/files/luke-${luke.version}.jar"
        dest="luke/luke-${luke.version}.jar"/>
  </target>
  
  <target name="luke" depends="luke-download">
    <java fork="true" 
          classname="org.getopt.luke.Luke"
          logError="true"
          failonerror="true">
      <classpath>
        <fileset dir="luke">
          <include name="luke-${luke.version}.jar"/>
        </fileset>
        <path refid="lucene.classpath"/>
        <path refid="test.run.classpath"/>
       </classpath>
    </java>
  </target>