Sample pipeline configuration for running GoCD Janitor (https://github.com/ashwanthkumar/gocd-janitor)

pipeline.xml

<pipeline name="gocd-janitor" labeltemplate="cleanup-${COUNT}" isLocked="false">
  <timer>0 30 5 ? * MON</timer>
  <stage name="cleanup">
    <approval type="manual" />
    <jobs>
      <job name="cleanup">
        <tasks>
          <exec command="wget">
            <arg>https://github.com/ashwanthkumar/gocd-janitor/releases/download/v0.0.1/gocd-janitor-0.0.1-jar-with-dependencies.jar</arg>
          </exec>
          <exec command="java">
            <arg>-cp</arg>
            <arg>gocd-janitor-0.0.1-jar-with-dependencies.jar</arg>
            <arg>in.ashwanthkumar.gocd.artifacts.Janitor</arg>
            <arg>--conf</arg>
            <!-- I'm assuming you've a local configuration for your GoCD installation -->
            <arg>configs-gocd/data-pipeline.janitor.conf</arg>
            <arg>--delete-artifacts</arg>
            <runif status="passed" />
          </exec>
        </tasks>
        <resources>
          <resource>go-server</resource>
        </resources>
      </job>
    </jobs>
  </stage>
</pipeline>