#!/bin/sh

PREREQ="nbd"

prereqs()
{
    echo "$PREREQ"
}

case "$1" in
    prereqs)
        prereqs
        exit 0
        ;;
esac

# Work around LP bug #696435
if [ "$ROOT" = /dev/nbd0 ] && [ -z "$FSTYPE" ]; then
    FSTYPE=$(blkid -s TYPE -o value "${ROOT}")
    if [ -n "$FSTYPE" ] && [ -d /lib/udev/rules.d ]; then
        cat >> /lib/udev/rules.d/60-persistent-storage-nbd.rules <<EOF
KERNEL=="nbd0", ENV{ID_FS_TYPE}="$FSTYPE"
EOF
        udevadm control --reload
        udevadm trigger --sysname-match nbd0
    fi
fi

# Disable resume on LTSP clients to avoid 5 sec delay
if grep -qs "init=/sbin/init-ltsp" /proc/cmdline; then
    echo "resume=" >> /conf/param.conf
fi