anchor.diff:  -H 'sec-fetch-mode: no-cors' \
   -H 'referer: https://www.openstreetmap.org/' \
   -H 'accept-language: en-GB,en-US;q=0.9,en;q=0.8' \
  ---compressed >> /srv/tilecache/data/$(date --utc "+%Y/%m")/localhost-<%= node[:hostname] %>-$(date --utc "+%Y-%m-%dT%H").txt
  +--compressed >> /srv/tilecache/data/$(date --utc "+%Y/%m")/localhost-<%= node.name.split(".").first %>-$(date --utc "+%Y-%m-%dT%H").txt
   # render
   <% @renders.each do |render| -%>
  -<% if render[:hostname] != node[:hostname] -%>
  +<% if render.name != node.name -%>
   <% render.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
       curl -w "@/srv/tilecache/tilecache-curl-time.txt" -o /dev/null -s -k -4 \
       --max-time 60 \
  -    'https://<%= render[:hostname] %>.openstreetmap.org/19/262106/174485.png' \
  +    'https://<%= render.name %>/19/262106/174485.png' \
       -H 'authority: c.tile.openstreetmap.org' \
       -H 'sec-fetch-dest: image' \
       -H 'user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36' \
  
positive.code:     -H 'sec-fetch-mode: no-cors' \
      -H 'referer: https://www.openstreetmap.org/' \
      -H 'accept-language: en-GB,en-US;q=0.9,en;q=0.8' \
      --compressed >> /srv/tilecache/data/$(date --utc "+%Y/%m")/tilecache-<%= cache[:hostname] %>-$(date --utc "+%Y-%m-%dT%H").txt
  <% end -%>
  <% end -%>
  <% end -%>
  
negative.code:     -H 'sec-fetch-mode: no-cors' \
      -H 'referer: https://www.openstreetmap.org/' \
      -H 'accept-language: en-GB,en-US;q=0.9,en;q=0.8' \
      --compressed >> /srv/tilecache/data/$(date --utc "+%Y/%m")/render-<%= render.name.split(".").first %>-$(date --utc "+%Y-%m-%dT%H").txt
  <% end -%>
  <% end -%>
  <% end -%>
  # caches
  <% @caches.each do |cache| -%>
  <% if cache.name != node.name -%>
  <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
      curl -w "@/srv/tilecache/tilecache-curl-time.txt" -o /dev/null -s -k -4 \
      --max-time 60 \
      'https://<%= cache.name %>/19/262106/174485.png' \
      -H 'authority: c.tile.openstreetmap.org' \
      -H 'sec-fetch-dest: image' \
      -H 'user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36' \
  