anchor.diff:  
   function stop_guardian() {
     local pid
  -  setup
     pid=$(cat "$PIDFILE")
   
     echo "stopping guardian"
  
positive.code: case $1 in
  
    start)
      setup
  
      if [ -f "$PIDFILE" ]; then
        pid=$(head -1 "$PIDFILE")
  
  
negative.code: DATA_DIR=/var/vcap/data
  GARDEN_DIR=/var/vcap/data/garden
  
  mkdir -p /var/vcap/sys/log/monit
  exec 1>> /var/vcap/sys/log/monit/garden.out.log
  exec 2>> /var/vcap/sys/log/monit/garden.err.log
  
  <% if_p('garden.http_proxy') do |http_proxy| %>
  export HTTP_PROXY=<%= http_proxy %>
  