diff options
Diffstat (limited to 'sbin/reboot/nextboot.sh')
| -rw-r--r-- | sbin/reboot/nextboot.sh | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/sbin/reboot/nextboot.sh b/sbin/reboot/nextboot.sh index 655e533..a90fdeb 100644 --- a/sbin/reboot/nextboot.sh +++ b/sbin/reboot/nextboot.sh @@ -26,6 +26,7 @@ # # $FreeBSD$ +append="NO" delete="NO" kenv= force="NO" @@ -48,12 +49,17 @@ add_kenv() } display_usage() { - echo "Usage: nextboot [-e variable=value] [-f] [-k kernel] [-o options]" - echo " nextboot -D" + cat <<-EOF + Usage: nextboot [-e variable=value] [-f] [-k kernel] [-o options] + nextboot -D + EOF } -while getopts "De:fk:o:" argument ; do +while getopts "aDe:fk:o:" argument ; do case "${argument}" in + a) + append="YES" + ;; D) delete="YES" ;; @@ -106,7 +112,19 @@ df -Tn "/boot/" 2>/dev/null | while read _fs _type _other ; do EOF done -cat > ${nextboot_file} << EOF +set -e + +nextboot_tmp=$(mktemp $(dirname ${nextboot_file})/nextboot.XXXXXX) + +if [ ${append} = "YES" -a -f ${nextboot_file} ]; then + cp -f ${nextboot_file} ${nextboot_tmp} +fi + +cat >> ${nextboot_tmp} << EOF nextboot_enable="YES" $kenv EOF + +fsync ${nextboot_tmp} + +mv ${nextboot_tmp} ${nextboot_file} |
