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#!/bin/sh
# $Id$
# Author:
# Matthias Schwarzott <zzam@gmx.de>
#
#
# This script is called from vdrshutdown-gate.sh over sudo to
# have root-permissions for setting wakeup-time and triggering
# real shutdown/reboot.
#
if [ "$(id -u)" != "0" ]; then
echo "This program should be run as root"
exit 99
fi
. /usr/share/vdr/inc/functions.sh
include shutdown-functions
shutdown_script_dir=/usr/share/vdr/shutdown
if [ "${DEBUG}" -ge 1 ]; then
exec >/tmp/vdrshutdown-wakeup-helper.log 2>&1
echo Started debug output of $0 $@
set -x
fi
# fixed variable name, used by wakeup method
VDR_WAKEUP_TIME="${1}"
mesg() {
if type logger >/dev/null 2>&1; then
logger -t vdrshutdown-wakeup "$@"
fi
}
# A little bit complicated, but this is used to really check if a reboot is needed
# nvram gets confused when setting the same time a second time
# (when first shutdown-try fails for some reason).
reboot_mark_file="${shutdown_data_dir}"/shutdown-need-reboot
# to be called from wakeup-method to signalize need for reboot
# wakeup-method runs in a subshell, so use a file to get result back
set_reboot_needed() {
printf "" > "${reboot_mark_file}"
}
WAKEUP_METHOD="${WAKEUP_METHOD:-rtc nvram none}"
run_wakeup_method()
{
local mod="$1"
(
if [ -f "${shutdown_script_dir}/wakeup-${mod}.sh" ]; then
. ${shutdown_script_dir}/wakeup-${mod}.sh
else
return 1
fi
)
}
_set_wakeup() {
for method in ${WAKEUP_METHOD}; do
if run_wakeup_method "${method}"; then
return 0
fi
done
return 1
}
_do_shutdown() {
if [ -z "${SHUTDOWN_CUSTOM_CMD}" ]; then
SHUTDOWN_METHOD=halt
else
SHUTDOWN_METHOD=custom_cmd
fi
if [ -e "${reboot_mark_file}" ]; then
SHUTDOWN_METHOD=reboot
fi
f="${shutdown_script_dir}/shutdown-${SHUTDOWN_METHOD}.sh"
if [ "${DRY_SHUTDOWN}" = "1" ]; then
mesg "dry run: NOT executing shutdown-${SHUTDOWN_METHOD}.sh"
return 0
fi
if [ -f "$f" ]; then
rm -f "${reboot_mark_file}"
mesg "Executing shutdown-${SHUTDOWN_METHOD}.sh"
. "$f"
fi
return 0
}
_set_wakeup || return 98
_do_shutdown || return 97
exit 0
|
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