publish.xml

<project>
  <macrodef name="do-publish">
    <sequential>
      <if>
        <not>
          <or>
            <matches pattern="[0-9]+" string="${svn.revision}"/>
            <equals arg1="${publish}" arg2="1"/>
          </or>
        </not>
        <then>
          <fail>svn.revision=${svn.revision}, but must be a number</fail>
        </then>
      </if>

      <exec executable="rsync" dir="." failonerror="true">
        <arg value="-avrc"/>
        <arg value="--delete"/>
        <!-- not from source but actually prevent deletion on target: -->
        <arg value="--exclude"/>
        <arg value="/index.html"/>
        <arg value="build/sitecontent/"/>
        <!-- set, for example, in ~/.ant.properties -->
        <arg value="${ssh.publishroot}/${ant.project.name}"/>
      </exec>
    </sequential>
  </macrodef>

</project>