anchor.diff:    type="$1"
     format="$2"
     web_dir="$3"
  -  disk_dir="$4"
     name="${type}-${date}.osm.${format}"
     web_path="${web_dir}/${name}"
   
  
positive.code: 
    md5sum "${name}" > "${name}.md5"
    mkdir -p "${dir}/${year}"
    mv "${name}" "${name}.md5" "${dir}/${year}"
    ln -sf "${year:-.}/${name}" "${dir}/${latest}"
    rm -f "${dir}/${latest}.md5"
    sed -e "s/${name}/${latest}/" "${dir}/${year}/${name}.md5" > "${dir}/${latest}.md5"
  }
  
  # Create torrent files and move them into place
  mk_torrent "planet" "pbf" "pbf" "<%= node[:planet][:dump][:pbf_directory] %>"
  mk_torrent "history" "pbf" "pbf/full-history" "<%= node[:planet][:dump][:pbf_history_directory] %>"
  
  # Move dumps into place
  install_dump "changesets" "bz2" "<%= node[:planet][:dump][:xml_directory] %>" "${year}"
  
negative.code:      -w https://planet.openstreetmap.org/${web_path} \
       -c "OpenStreetMap planet database dump, licensed under https://opendatacommons.org/licenses/odbl/ by OpenStreetMap contributors" \
       -o ${name}.torrent
  }
  
  # Function to install a dump in place
  