#!/bin/bash
if [ "`id -u`" != "0" ]; then
  echo "Script must run as root"
fi

echo "==================================================="
echo "=================== checking for updates =========="
echo "==================================================="

wget -O /tmp/.boca.tmp "http://www.ime.usp.br/~cassio/boca/update.date.txt"
if [ $? != 0 ]; then
  echo "ERROR DOWNLOADING UPDATE"
  exit 1
fi
di=`cat /tmp/.boca.tmp`
lastu=0
if [ -r /etc/icpc/.lastupdate ]; then
  lastu=`cat /etc/icpc/.lastupdate`
fi
if [ "$di" == "$lastu" ]; then
  echo "NO UPDATES AVAILABLE"
  exit 0
fi

echo ">>>>>>>>>>"
echo ">>>>>>>>>> Downloading update release `cat /tmp/.boca.tmp`"
echo ">>>>>>>>>>"

wget -O /tmp/.boca.tmp "http://www.ime.usp.br/~cassio/boca/update.sh"
if [ $? != 0 ]; then
  echo "ERROR DOWNLOADING UPDATE"
  exit 1
fi

echo ">>>>>>>>>>"
echo ">>>>>>>>>> Running update script"
echo ">>>>>>>>>>"
chmod 755 /tmp/.boca.tmp
/tmp/.boca.tmp
exit $?