#!/bin/sh

apk -U upgrade

nginx_pid="$(pgrep nginx:\ master\ process)"
if [ -z "$nginx_pid" ]
then
  rc-service nginx restart
  exit 0
fi

nginx_proc_start_time="$(stat -Lc %Y /proc/${nginx_pid})"
nginx_file_mtime="$(stat -Lc %Y $(which nginx))"

if [ "$nginx_file_mtime" -gt "$nginx_proc_start_time" ]
then
  rc-service nginx restart
fi