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# !/bin/sh
#
# Copyright Matthias Hentges (c) 2005
#
# License: GPL (see http://www.gnu.org/licenses/gpl.txt for a copy of the GPL)
# FIXME: Make this work
M_TITLE="Boot from NFS"
die() {
echo "ERROR: $1" >/dev/tty0
exec $SH_SHELL </dev/tty0 >/dev/tty0 2>&1
}
# This function is activated by init.altboot by calling this script with the "run" option
run_module() {
test -e /etc/altboot.func && . /etc/altboot.func || die "ERROR: /etc/altboot.func not found. Check your installation!"
echo -n "Mounting rootfs rw..." >/dev/tty0
mount -o remount,rw / >/dev/tty0 2>&1 && echo ok >/dev/tty0|| die "mount -o remount,rw / failed"
echo -n "Generating device files..." >/dev/tty0
/etc/init.d/devices start && echo ok >/dev/tty0|| die "FAILED"
echo -n "Mounting /proc..." >/dev/tty0
mount /proc >/dev/tty0 2>&1 && echo ok >/dev/tty0 || echo failed
# Needed for NFS
/etc/init.d/portmap start >/dev/tty1 2>&1 || die "/etc/init.d/portmap start failed!"
# For some reason NFS mounts hang if /e/i/networking is not run.
# For the time beeing I'm to lazy to investigate ;)
/etc/init.d/networking start || die "/etc/init.d/networking start failed!"
sleep 2
# After the PCMCIA service is started, an inserted WLAN card should automatically
# activate itself.
/etc/init.d/pcmcia start || die "/etc/init.d/pcmcia/start failed!"
# Give WLAN time to login into the network
echo "Waiting for WLAN..."
sleep 8
nfs_mounts="`cat /etc/fstab | grep -v ^# | grep nfs | awk '{print $1}'`"
nfs_mountpoints="`cat /etc/fstab | grep -v ^# | grep nfs | awk '{print $2}'`"
if test "` echo "$nfs_mountpoints" |wc -l | tr -d " "`" -gt 1
then
echo -e "Please select your NFS root:\n"
cnt=1
for nfs_mount in $nfs_mountpoints
do
echo -e "\t[$cnt] $nfs_mount"
let cnt=$cnt+1
done
echo ""
while test -z "$selection"
do
echo -n "Boot NFS root: "
read junk < /dev/tty1
cnt=1
for nfs_mount in $nfs_mounts
do
if test "$junk" = "$cnt"
then
selection="$nfs_mount"
fi
let cnt=$cnt+1
done
done
else
test -z "$nfs_mounts" && die "No NFS mounts configured in /etc/fstab!"
selection="$nfs_mounts"
fi
mkdir -p /media/nfsroot || die "mkdir -p /media/nfsroot failed!"
echo -n "Mounting NFS root..."
mount -t nfs "$selection" /media/nfsroot && echo ok || die "mount -t nfs "$selection" /media/nfsroot failed!"
check_target "/media/nfsroot"
}
case "$1" in
title) echo "$M_TITLE";;
run) run_module "$2";;
esac
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