#! /bin/sh

#   Copyright 2001-2004 The Apache Software Foundation
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRMULEIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.

if [ -z "$MULE_HOME" -o ! -d "$MULE_HOME" ] ; then
  # try to find MULE
  if [ -d /opt/mule ] ; then
    MULE_HOME=/opt/mule
  fi

  if [ -d "${HOME}/opt/mule" ] ; then
    MULE_HOME="${HOME}/opt/mule"
  fi

  ## resolve links - $0 may be a link to mule's home
  PRG="$0"
  progname=`basename "$0"`

  # need this for relative symlinks
  while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '/.*' > /dev/null; then
    PRG="$link"
    else
    PRG=`dirname "$PRG"`"/$link"
    fi
  done

  MULE_HOME=`dirname "$PRG"`/..

  # make it fully qualified
  MULE_HOME=`cd "$MULE_HOME" && pwd`
fi
