<project name="Ant tasks for Salesforce deployments" default="default" basedir="." xmlns:sf="antlib:com.salesforce">

  <property name="env" value="dev"/>
  <property file="build.properties.${env}"/>
  <property name="retrieve_dir" value="src"/>
  <property name="deploy_dir" value="src"/>
  <property name="validate_dir" value="./../src"/>
  <property name="destructive_dir" value="destructiveChanges"/>

  <target name="default">
    <echo message="Select a Ant Task"/>
  </target>

  <target name="undeployFlows">
    <exec executable="node">
     <arg line="prebuild.js" />
     <arg line="${sf.serverurl}" />
     <arg line="${sf.username}" />
     <arg line="${sf.password}" />
     <arg line="${deploy_dir}/package.xml" />
    </exec>
  </target>

  <target name="retrieve">
    <delete dir="${retrieve_dir}"/>
    <mkdir dir="${retrieve_dir}"/>
    <sf:retrieve
      username="${sf.username}"
      password="${sf.password}"
      serverurl="${sf.serverurl}"
      retrieveTarget="${retrieve_dir}"
      unpackaged="package.xml"
    />
  </target>

  <target name="validate">
    <sf:deploy
      username="${sf.username}"
      password="${sf.password}"
      serverurl="${sf.serverurl}"
      deployRoot="${validate_dir}"
      checkonly="true"
    />
  </target>

  <target name="deploy" depends="undeployFlows">
    <sf:deploy
      username="${sf.username}"
      password="${sf.password}"
      serverurl="${sf.serverurl}"
      deployRoot="${deploy_dir}"
    />
  </target>

  <target name="undeploy">
    <sf:deploy
      username="${sf.username}"
      password="${sf.password}"
      serverurl="${sf.serverurl}"
      deployRoot="${destructive_dir}"
    />
  </target>
</project>