post_install() {
  systemd-sysusers cpcache.conf
  chown cpcache:cpcache "/var/lib/cpcache"
  mkdir -p /var/cache/cpcache/mnesia
  mkdir -p /var/cache/cpcache/x86/{core,extra,multilib,testing,community}/os/{i686,x86_64}
  mkdir -p /var/cache/cpcache/arm/{aarch64,arm,armv6h,armv7h}/{alarm,aur,community,extra,core}
  mkdir -p /var/cache/cpcache/mnesia
  su -s /bin/bash cpcache -c /usr/share/cpcache/create_db.sh
  chown -R cpcache:cpcache "/var/cache/cpcache"
}

post_upgrade() {
  systemd-sysusers cpcache.conf
}