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|
#!/bin/sh
#
### BEGIN INIT INFO
# Provides: bootcd
# Required-Start: mountall-bootclean $local_fs
# Required-Stop:
# X-Start-Before: networking
# Default-Start: S
# Default-Stop:
# Short-Description: bootcd reads changes from floppy if running from bootcd
# Description: When running from bootcd this script tries to access
# the floppy to read changes last time saved with
# bootcdflopcp from a running bootcd.
### END INIT INFO
. /lib/lsb/init-functions
MNT=/mnt
FLOPPY=/dev/fd0
BOOT_ONLY_WITH_FLOPPY="no"
FSTYPES="ext3,ext2,reiserfs,iso9660,vfat,auto"
my_exit()
{
echo "bootcd: $2"
if [ "$BOOT_ONLY_WITH_FLOPPY" = "yes" -a $1 != 0 ]; then
echo "The floppy could not be mounted."
echo "Manual interaction required."
# Start a single user shell on the console
/sbin/sulogin $CONSOLE
fi
exit 0
}
startscript()
{
# bootcdwrite modifies this script. FLOPPY could be unset.
if [ ! "$FLOPPY" ]; then
my_exit 0 "No Floppy device specified !!"
fi
# Only run this script if we have booted from bootcd
if [ ! "$(grep "\<bootcd=" /proc/cmdline)" ]; then
my_exit 0 "not booted from bootcd"
fi
# Try only once, if /dev/fd0 is readable.
cat $FLOPPY >/dev/null
RET=$?
[ $RET -eq 0 ] || my_exit $RET "$FLOPPY not readable"
echo "Reading floppy"
fsck -a -t $FSTYPES $FLOPPY
mount -v -o ro -n -t $FSTYPES $FLOPPY $MNT
RET=$?
[ $RET -eq 0 ] || my_exit $RET "$FLOPPY not mountable"
[ -f $MNT/change.tgz ] && (cd /; tar xzf $MNT/change.tgz)
[ -f $MNT/remove ] && for i in `cat $MNT/remove`
do
rm -f /$i
done
[ -x $MNT/execute ] && $MNT/execute
umount $MNT
# If something has been changed in /etc/inittab
init q
}
case "$1" in
start)
startscript
;;
restart)
;;
status)
;;
force-reload)
;;
stop)
;;
restart)
;;
force-reload)
;;
*)
echo "Usage: /etc/init.d/bootcdram start" >&2
exit 1
;;
esac
exit 0
|
