post_install() {
  grep -q '^cuckoo:' /etc/group || groupadd cuckoo
  chgrp -R cuckoo /usr/share/cuckoo
  echo "Add yourself to the cuckoo group to use cuckoo as an unprivledged user."
}

post_upgrade() {
  post_install
}

post_remove() {
  groupdel cuckoo 2> /dev/null
}