build.xml

<?xml version="1.0" encoding="utf-8"?>
<project name="trekk-tester" default="deploy">
  <tstamp>
    <format property="NOW" pattern="%Y%m%d%H%M%S" />
  </tstamp>
  <property name="source_dir" value="./" />
  <property name="build_destination" value="/opt/jenkins/trekk_tester_builds_${NOW}" />
  <property name="web_dir" value="/var/www/trekk-tester" />

  <taskdef name="symlink" classname="phing.tasks.ext.SymlinkTask" />

  <target name="build">
    <!-- copy checkout into our build directory -->
    <copy todir="${build_destination}">
      <fileset dir="${source_dir}">
        <exclude name=".git" />
        <exclude name=".git/**" />
        <exclude name="build.xml" />
      </fileset>
    </copy>
  </target>

  <target name="deploy" depends="build">
    <delete file="${web_dir}/htdocs" />
    <symlink target="${build_destination}" link="${web_dir}/htdocs" />
  </target>

</project>