post_install() {
  systemd-sysusers cpcache.conf
  chown cpcache:cpcache "/var/lib/cpcache"
  mkdir -p /var/cache/cpcache/mnesia
  mkdir -p /var/cache/cpcache/pkg/{core,extra,multilib,testing,community}/os/x86_64
  mkdir -p /var/cache/cpcache/mnesia
  chown -R cpcache:cpcache "/var/cache/cpcache"
}

post_upgrade() {
  systemd-sysusers cpcache.conf
}