3 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 # Copyright (c) 2002 Gordon Tetlow. All rights reserved.
6 # Copyright (c) 2012 Sandvine Incorporated. All rights reserved.
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions
11 # 1. Redistributions of source code must retain the above copyright
12 # notice, this list of conditions and the following disclaimer.
13 # 2. Redistributions in binary form must reproduce the above copyright
14 # notice, this list of conditions and the following disclaimer in the
15 # documentation and/or other materials provided with the distribution.
17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 nextboot_file="/boot/nextboot.conf"
42 # strip literal quotes if passed in
46 if [ -n "${kenv}" ]; then
50 kenv="${kenv}${var}=\"${value}\""
55 Usage: nextboot [-af] [-e variable=value] [-k kernel] [-o options]
60 while getopts "aDe:fk:o:" argument ; do
71 if [ -z "$var" -o -z "$value" ]; then
75 add_kenv "$var" "$value"
82 add_kenv kernel "$kernel"
85 add_kenv kernel_options "${OPTARG}"
94 if [ ${delete} = "YES" ]; then
95 rm -f ${nextboot_file}
99 if [ -z "${kenv}" ]; then
104 if [ -n "${kernel}" -a ${force} = "NO" -a ! -d /boot/${kernel} ]; then
105 echo "Error: /boot/${kernel} doesn't exist. Use -f to override."
109 df -Tn "/boot/" 2>/dev/null | while read _fs _type _other ; do
110 [ "zfs" = "${_type}" ] || continue
112 WARNING: loader(8) has only R/O support for ZFS
113 nextboot.conf will NOT be reset in case of kernel boot failure
119 nextboot_tmp=$(mktemp $(dirname ${nextboot_file})/nextboot.XXXXXX)
121 if [ ${append} = "YES" -a -f ${nextboot_file} ]; then
122 cp -f ${nextboot_file} ${nextboot_tmp}
125 cat >> ${nextboot_tmp} << EOF
126 nextboot_enable="YES"
130 fsync ${nextboot_tmp}
132 mv ${nextboot_tmp} ${nextboot_file}