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