PREIN
/bin/sh
/usr/share/rpm-helper/add-user powerman $1 powerman /var/empty /bin/sh
PREUN
/bin/sh
/usr/share/rpm-helper/del-service powerman $1 powerman
POSTIN
/bin/sh
/usr/share/rpm-helper/add-service powerman $1 powerman
POSTUN
/bin/sh
/usr/share/rpm-helper/del-user powerman $1 powerman