#!/bin/sh
#
# Night Light IRC Proxy
# Deinstallation script for FreeBSD ports
# Written by Jonas Kvinge
#
# Last modified: Jonas Kvinge (10.07.2003)
#

c=''
n=''
if [ "`eval echo -n 'a'`" = "-n a" ] ; then
 c='\c'
else
 n='-n'
fi

EGROUP="ircproxy"
EUSER="ircproxy"
PIDFILEPATH="$PKG_PREFIX/ircproxy/ircproxy.pid"

if [ "$2" = "DEINSTALL" ]; then

  echo "*-----------------------------------------------------------------------------"
  echo "* Night Light IRC Proxy FreeBSD de-installation script"
  echo "* Copyright (C) 2003 Jonas Kvinge, all rights reserved."
  echo "*-----------------------------------------------------------------------------"

  echo $n "Checking to see whether ircproxy is installed in crontab... $c"
  grep -q "^[^#]*$PKG_PREFIX/ircproxy/ircproxy\.sh" /etc/crontab >/dev/null 2>&1
  if [ $? -eq 0 ]; then
    echo "YES"
    echo $n "Removing ircproxy from crontab... $c"
    sed -e "s:^[^#]*$PKG_PREFIX/ircproxy/ircproxy\.sh::" -e '/^$/d' /etc/crontab >/tmp/crontab || exit 1
    mv /tmp/crontab /etc/crontab || exit
    chmod 644 /etc/crontab || exit
    echo "OK"
  else
    echo "NO"
  fi
  echo $n "Checking to see whether ircproxy is running... $c"
  if [ -f $PIDFILEPATH ] ; then
    if [ ! -r $PIDFILEPATH ] ; then
      echo "ERROR"
      echo "Error: Cannot read PID file $PIDFILEPATH!"
      exit 1
    fi
    PID=`cat "$PIDFILEPATH"`
    if ps -p "$PID" >/dev/null 2>&1 ; then
      echo "YES"
      for count in 1 2 3 4 5 6 7 8 9 10; do
        if [ $count -ge 5 ]; then
          echo $n "Sending KILL signal to ircproxy... $c"
          kill -KILL "$PID" || break
          echo "OK"
          break
        fi
        echo $n "Sending TERM signal to ircproxy and waiting two seconds... $c"
        kill -TERM "$PID" || break
        sleep 2
        if ps -p `cat "$PIDFILEPATH"` >/dev/null 2>&1 ; then
           echo "Still Running!"
        else
          echo "Successfully terminated!"
          break
        fi
      done
    else
      echo "NO"
    fi
  else
    echo "NO"
  fi
fi

if [ "$2" = "POST-DEINSTALL" ]; then

  echo "*-----------------------------------------------------------------------------"
  echo "* Night Light IRC Proxy FreeBSD post de-installation script"
  echo "* Copyright (C) 2003 Jonas Kvinge, all rights reserved."
  echo "*-----------------------------------------------------------------------------"

  echo $n "Checking if $PKG_PREFIX/ircproxy exist... $c"
  if [ -d "$PKG_PREFIX/ircproxy" ]; then
    echo "YES"
    echo $n "Removing $PKG_PREFIX/ircproxy... $c"
    rm -R -f "$PKG_PREFIX/ircproxy" && echo "OK" || exit 1
  else
    echo "NO"
  fi
  echo $n "Checking if $EGROUP group exist... $c"
  pw group show ${EGROUP} >/dev/null 2>&1
  if [ $? -eq 0 ] ; then
    echo "YES"
    echo $n "Removing the $EGROUP group from the system... $c"
    pw groupdel -n "$EGROUP" && echo "OK" || exit 1
  else
    echo "NO"
  fi
  echo $n "Checking if $EUSER user account exist... $c"
  pw user show ${EUSER} >/dev/null 2>&1
  if [ $? -eq 0 ] ; then
    echo "YES"
    echo $n "Removing the $EUSER user account from the system... $c"
    pw userdel -n "$EUSER" && echo "OK" || exit 1
  else
    echo "NO"
  fi
fi

exit 0