freebsd-nq/sbin/reboot/nextboot.sh
Wes Peters 8812100321 Remove dependency on getopts because it is on /usr and we want to
use 'nextboot -D' in rc.  Option parsing cribbed from vgrind.sh.
2006-01-16 16:18:54 +00:00

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#! /bin/sh
#
# Copyright 2002. Gordon Tetlow.
# gordon@FreeBSD.org
#
# $FreeBSD$
delete="NO"
force="NO"
nextboot_file="/boot/nextboot.conf"
kernel=""
display_usage() {
echo "Usage: nextboot [-f] [-o options] -k kernel"
echo " nextboot -D"
}
# Parse args, do not use getopt because we don't want to rely on /usr
while test $# -gt 0; do
case $1 in
-D)
delete="YES"
;;
-f)
force="YES"
;;
-k)
if test $# -lt 2; then
echo "$0: option $1 must specify kernel"
display_usage
exit 1
fi
kernel="$2"
shift
;;
-o)
if test $# -lt 2; then
echo "$0: option $1 must specify boot options"
display_usage
exit 1
fi
kernel_options="$2"
shift
;;
*)
display_usage
exit 1
;;
esac
shift
done
if [ ${delete} = "YES" ]; then
rm -f ${nextboot_file}
exit 0
fi
if [ "xxx${kernel}" = "xxx" ]; then
display_usage
exit 1
fi
if [ ${force} = "NO" -a ! -d /boot/${kernel} ]; then
echo "Error: /boot/${kernel} doesn't exist. Use -f to override."
exit 1
fi
cat > ${nextboot_file} << EOF
nextboot_enable="YES"
kernel="${kernel}"
kernel_options="${kernel_options}"
EOF