<choose>
   <when test="${deploy.env=='PROD'}">
        <property name="deploy.root.dir" value="\${deploy.server}${deploy.mode}${app.dest.dir}" />
    </when>
    <otherwise>
        <property name="deploy.root.dir" value="\${deploy.server}${deploy.mode}${deploy.env}${app.dest.dir}" />
    </otherwise>
</choose>

<property name="deploy.root.dir" value="\${deploy.server}${deploy.mode}${deploy.env}${app.dest.dir}" />
<if test="${deploy.env == 'PROD'}">
    <property name="deploy.root.dir" value="\${deploy.server}${deploy.mode}${app.dest.dir}" />
</if>