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/bin/systemd-tmpfiles --create powerman.conf 
/usr/share/rpm-helper/add-service powerman $1 powerman

POSTUN

/bin/sh

/usr/share/rpm-helper/del-user powerman $1 powerman