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|
#!/bin/sh
# shutdown - shutdown(8) lookalike for runit
single() {
runsvchdir single
}
usage() {
echo "Usage: shutdown [-fF] [-kchPr] time [warning message]" >/dev/stderr; exit 1
}
action=single
while getopts akrhPHfFnct: opt; do
case "$opt" in
a|n|H) echo "-$opt is not implemented" >/dev/stderr; exit 1;;
t) ;;
f) touch /fastboot;;
F) touch /forcefsck;;
k) action=true;;
c) action=cancel;;
h|P) action=halt;;
r) action=reboot;;
[?]) usage;;
esac
done
shift $(expr $OPTIND - 1)
[ $# -eq 0 ] && usage
time=$1; shift
message="${*:-system is going down}"
if [ "$action" = "cancel" ]; then
kill $(cat /run/runit/shutdown.pid)
echo "${*:-shutdown cancelled}" | wall
exit
fi
if ! touch /run/runit/shutdown.pid 2>/dev/null; then
echo "Not enough permissions to execute ${0#*/}"
exit 1
fi
echo $$ >/run/runit/shutdown.pid
case "$time" in
now) time=0;;
+*) time=${time#+};;
*:*) echo "absolute time is not implemented" >/dev/stderr; exit 1;;
*) echo "invalid time"; exit 1;;
esac
if [ "$time" -gt 5 ]; then
echo "$message in $time minutes" | wall
echo -n "shutdown: sleeping for $time minutes... "
sleep $(expr '(' "$time" - 5 ')' '*' 60)
echo
time=5
fi
if [ "$time" -gt 0 ]; then
echo "$message in $time minutes" | wall
touch /etc/nologin
echo -n "shutdown: sleeping for $time minutes... "
sleep $(expr "$time" '*' 60)
echo
rm /etc/nologin
fi
echo "$message NOW" | wall
$action
|
