subiendo reboot y shutdown

sbin/shutdown

@@ -0,0 +1,73 @@
+#!/bin/sh
+# shutdown - shutdown(8) lookalike for runit
+
+single() {
+  runsvchdir single
+}
+
+abort() {
+  printf '%s\n' "$1" >&2
+  exit 1
+}
+
+usage() {
+  abort "Usage: ${0##*/} [-fF] [-kchPr] time [warning message]"
+}
+
+action=single
+
+while getopts akrhPHfFnct: opt; do
+  case "$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)"
+  if [ -e /etc/nologin ] && ! [ -s /etc/nologin ]; then
+    rm /etc/nologin
+  fi
+  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
+
+for break in 5 0; do
+  [ "$time" -gt "$break" ] || continue
+  [ "$break" = 0 ] && touch /etc/nologin
+
+  printf '%s in %s minutes\n' "$message" "$time" | wall
+  printf 'shutdown: sleeping for %s minutes... ' "$(( time - break ))"
+  sleep $(( (time - break) * 60 ))
+  time="$break"
+  printf '\n'
+
+  [ "$break" = 0 ] && rm /etc/nologin
+done
+
+printf '%s NOW\n' "$message" | wall
+
+$action