PREIN

/bin/sh

if [ $1 = "0" ]; then
    # installation
    if grep -q '^alias autofs autofs4'  /etc/modules.conf; then
    echo "alias autofs autofs4" >> /etc/modules.conf
    fi
else
    if [ ! -d /etc/autofs ]; then
        # 4 -> 5 upgrade
        mkdir /etc/autofs
        for file in /etc/auto.{master,misc,net,smb}; do
            if [ -f "$file" ]; then
                mv $file* /etc/autofs
            fi
        done
    fi
fi

PREUN

/bin/sh

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

POSTIN

/bin/sh

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

POSTUN

/bin/sh

if [ $1 = "0" ]; then # removal
    perl -ni -e 'print unless ( m!^.*autofs.*$! || /^\s*$/)' /etc/modules.conf
fi