#!/bin/bash

usage(){
    U1="usage: $0 [-setcookie <cookie>] [-nocookie] "
    U2="[-nettick <tick>] [-win] [-vsn <OTP version>]"
    echo $U1 $U2
    exit
}

if [ ${0:0:1} == "/" ];then
    SPATH=$0
elif [ -x $PWD/$0 ];then
    SPATH=$PWD/$0
else
    SPATH=`which $0`
fi

if [ -L $SPATH ];then
    SPATH=`readlink $SPATH`
fi

n=4
while [ 0 -lt "$n" ]; do SPATH=`dirname $SPATH`; let n=n-1; done
PATHS=""
for p in `ls -d $SPATH/*/ebin`; do
    PATHS=$PATHS" -pa $p"
done

detach="-detached"
VSN=""
START="-s sherk ni -s erlang halt"

while [ -n "$1" ]
  do
  case $1 in
      "-help"|"-h"|"-?")
          usage
          ;;
      "-win")
          WIN="xterm -sb -sl 9999 -bg gold -fg black -e"
          START="-s sherk go"
          detach=""
          ;;
      "-vsn"|"-version")
          VSN="+R "$2
          shift
          ;;
      "-nettick"|"-tick")
          nettick="-kernel net_ticktime $2"
          shift
          ;;
      "-cookie"|"-setcookie")
          cookie="-setcookie $2"
          shift
          ;;
      "-nocookie")
          cookie=""
          ;;
      *)
          usage
          ;;
  esac
  shift
done

name="sherk_"$$
FLAGS="$detach -boot start_sasl -sasl errlog_type error +A16"
DISTR="-hidden -sname $name $cookie $nettick"

$WIN erl $VSN $FLAGS $DISTR $PATHS $START
