diff options
Diffstat (limited to 'shutdown')
-rwxr-xr-x | shutdown | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/shutdown b/shutdown new file mode 100755 index 0000000..4a3147b --- /dev/null +++ b/shutdown @@ -0,0 +1,74 @@ +#!/bin/sh +# shutdown - shutdown(8) lookalike for runit + +single() { + runsvchdir single +} + +abort() { + echo "$@" >&2 + exit 1 +} + +usage() { + abort "Usage: shutdown [-fF] [-kchPr] time [warning message]" +} + +action=single + +while getopts akrhPHfFnct: opt; do + case "$opt" in + a|n|H) abort "-$opt is not implemented";; + t) ;; + f) touch /fastboot;; + F) touch /forcefsck;; + k) action=true;; + c) action=cancel;; + h|P) action=halt;; + r) action=reboot;; + [?]) usage;; + esac +done +shift $((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 + +touch /run/runit/shutdown.pid 2>/dev/null || abort "Not enough permissions to execute ${0#*/}" +echo $$ >/run/runit/shutdown.pid + +case "$time" in + now) time=0;; + +*) time=${time#+};; + *:*) abort "absolute time is not implemented";; + *) abort "invalid time";; +esac + +if [ "$time" -gt 5 ]; then + echo "$message in $time minutes" | wall + printf "shutdown: sleeping for $time minutes... " + sleep $(((time - 5) * 60)) + printf "\n" + time=5 +fi + +if [ "$time" -gt 0 ]; then + echo "$message in $time minutes" | wall + touch /etc/nologin + printf "shutdown: sleeping for $time minutes... " + sleep $((time * 60)) + printf "\n" + rm /etc/nologin +fi + +echo "$message NOW" | wall + +$action |