PREUN

/bin/sh

/usr/share/rpm-helper/del-service ckb-next $1 ckb-next-daemon

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service ckb-next $1 ckb-next-daemon

POSTUN

/bin/sh

 
if [ $1 -ge 1 ] && [ -x "/usr/lib/systemd/systemd-update-helper" ]; then 
    # Package upgrade, not uninstall 
    /usr/lib/systemd/systemd-update-helper mark-restart-system-units ckb-next-daemon || : 
fi