pcr/spl-dkms/spl.install


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post_install() {
    check_hostid
}

check_hostid() {
    # Check /etc/hostid to see if it set to the sentinel value, see
    # https://wiki.archlinux.org/index.php/ZFS for more information.
    HOSTID=$(hostid)
    if [ "0x$HOSTID" == "0xffffffff" ]; then
        # Generate a new hostid
        : >/etc/hostid
        HOSTID=$(hostid)
        # hostid is 4 byte little endian
        printf $(echo -n $HOSTID | sed 's/\(..\)\(..\)\(..\)\(..\)/\\x\4\\x\3\\x\2\\x\1/') >/etc/hostid
    fi
}