anchor.diff:  cat <<EOF > /tmp/schedule-"<%= name %>".json
   { 
    "name":    "<%= name %>",
  - "when":    "<%= value["when"] %>"
  + "when":    "<%= value %>"
   }
   EOF
   
  
positive.code: 
  <%  schedules = p("shield.schedules", [])
  if_p("shield.schedule") do |sch|
      schedules[sch["name"]] = {"when" => sch["when"]}
  end            
  %>
  
  
negative.code: 
  <%  retentions = p("shield.retentions", [])
  if_p("shield.retention") do |ret|
      retentions[ret["name"]] = ret["expires"]
  end            
  %>
  
  