PREUN
/bin/sh
if [ $1 = 0 ]; then /usr/sbin/alternatives --remove cifs-idmap-plugin /usr/lib64/cifs-utils/idmapwb.so fi
POSTIN
/bin/sh
/usr/sbin/alternatives --install /etc/cifs-utils/idmap-plugin cifs-idmap-plugin /usr/lib64/cifs-utils/idmapwb.so 10