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|
#! /bin/sh
#
# Copyright 2002. Gordon Tetlow.
# gordon@FreeBSD.org
#
# $FreeBSD$
delete="NO"
force="NO"
nextboot_file="/boot/nextboot.conf"
display_usage() {
echo "Usage: nextboot [-f] [-o options] -k kernel"
echo " nextboot -D"
}
while getopts "Dfk:o:" argument ; do
case "${argument}" in
D)
delete="YES"
;;
f)
force="YES"
;;
k)
kernel="${OPTARG}"
;;
o)
kernel_options="${OPTARG}"
;;
*)
display_usage
exit 1
;;
esac
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/${kernel} doesn't exist. Use -f to override."
exit 1
fi
df -Tn "/boot/" 2>/dev/null | while read _fs _type _other ; do
[ "zfs" = "${_type}" ] || continue
cat 1>&2 <<-EOF
WARNING: loader(8) has only R/O support for ZFS
nextboot.conf will NOT be reset in case of kernel boot failure
EOF
done
cat > ${nextboot_file} << EOF
nextboot_enable="YES"
kernel="${kernel}"
kernel_options="${kernel_options}"
EOF
|
