PREIN

/bin/sh

/usr/share/rpm-helper/add-user oar $1 oar /var/lib/oar /usr/share/oar/oarsh_shell 
/usr/share/rpm-helper/create-file oar $1 /var/log/oar.log oar oar 644

POSTUN

/bin/sh

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