Phing task to install Cron Job Config. Must run with sudo

cron_install.xml

    <!--
    TargetName: cron:install
    Partly based on http://codeinthehole.com/writing/deploying-cron-jobs-using-phing/
    @param env.name The env name
    @env.config_path Path in project for the env configs
    @param project.folder AKA the name of the project
    -->
    <target name="cron:install" description="Install Cron Job Config. Run with sudo">

        <property name="cron_source_path" value="${env.config_path}/system/cron.d" />
        <property name="cron_compiled_path" value="${env.config_path}/build/cron.d" />
        <property name="cron_system_path" value="/etc/cron.d/${env.name}-${project.folder}-job" />

        <!-- Must run phing task as sudo -->
        <if>
            <available file="${cron_system_path}"/>
            <then>
                <echo msg="Deleting old cron job ${cron_system_path} " />
                <exec command="sudo rm -f ${cron_system_path}" />
            </then>
        </if>

        <echo msg="Generate cron Config from Properties" />
        <if>
            <available file="${cron_compiled_path}"/>
            <then>
                <echo msg="Deleting old build ${cron_compiled_path} " />
                <exec command="sudo rm -f ${cron_compiled_path}" />
            </then>
        </if>

        <copy file="${cron_source_path}" tofile="${cron_compiled_path}" overwrite="true">
            <filterchain>
                <expandproperties />
            </filterchain>
        </copy>

        <!-- Copy the projects compiled cron job to /etc/cron.d -->
        <echo msg="Symlink the projects local cron config to ${cron_system_path} " />
        <copy file="${cron_compiled_path}" tofile="${cron_system_path}" overwrite="true" />
        <exec command="sudo chmod 644 ${cron_system_path}" />
        <exec command="sudo chown root:root ${cron_system_path}" />

        <!-- Restart cron jobs -->
        <exec command="sudo /etc/init.d/cron restart" />

    </target>