PREIN

/bin/sh

/usr/share/rpm-helper/add-user ivman $1 ivman / /sbin/nologin 
/usr/share/rpm-helper/add-group ivman $1 daemon ivman

PREUN

/bin/sh

/usr/share/rpm-helper/del-service ivman $1 ivman

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service ivman $1 ivman