server.sh

#!/bin/sh

# Author: Allex Wang <http://fedor.io/>
# GistID: dcc7d7a27f1c2ea43335d351136b3dcc
# GistURL: https://gist.github.com/dcc7d7a27f1c2ea43335d351136b3dcc

set -eE

[ -f /etc/profile ] && . /etc/profile
[ "$EUID" != "0" ] || { echo >&2 "403"; exit 1; }

DIR="$(cd "`dirname $0`" && pwd)"
mkdir -p $DIR/logs || true

cmd="${1:-"$DIR/server/bin/server"}"
logfile=$DIR/logs/server.log
lockfile=$DIR/logs/lock.pid

if [ -s $lockfile ]; then
  kill -9 `cat $lockfile` && sleep .5 || true
fi

if [ -f "$logfile" ]; then (
  bak="${logfile}_$(date +%F-%H%M%S)"
  find $DIR/logs/ -name "*.gz" -ctime +5 -exec rm -f {} +;
  mv "$logfile" "$bak" && (gzip -f "$bak" &) || true
) fi

[ $? -eq 0 ] && (
  cd $DIR
  /usr/bin/nohup "$cmd" &>$logfile &
  pid=$!
  echo $pid >$lockfile
  echo "Server running at $pid."
)