#!/bin/sh

# Copyright 2002-2004 The Apache Software Foundation or its licensors,
# as applicable.
#
# 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 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


# set the current working dir as the PROJECT_HOME variable 

cygwin=false;
darwin=false;
case `uname` in
  CYGWIN*) cygwin=true ;;
  Darwin*) darwin=true
           if [ -z "$JAVA_HOME" ] ; then
             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home   
           fi
           ;;
esac

if [ "$cygwin" = "true" ] ; then
  PROJECT_HOME=`cygpath -w "$PWD"`
else
  PROJECT_HOME=`pwd`
fi

if [ -z "$FORREST_HOME" ] ; then
  # use the location of this script to infer $FORREST_HOME
  whoami=`basename $0`
  whereami=`echo $0 | sed -e "s#^[^/]#\`pwd\`/&#"`
  whereami=`dirname $whereami`

  # Resolve any symlinks of the now absolute path, $whereami
  realpath_listing=`ls -l $whereami/$whoami`
  case "$realpath_listing" in
    *-\>\ /*)
      realpath=`echo $realpath_listing | sed -e "s#^.*-> ##"`
      ;;
    *-\>*)
      realpath=`echo $realpath_listing | sed -e "s#^.*-> #$whereami/#"`
      ;;
    *)
      realpath=$whereami/$whoami
      ;;
  esac
  FORREST_HOME=`dirname "$realpath"`/..
fi

# Save old ANT_HOME
OLD_ANT_HOME="$ANT_HOME"
unset ANT_HOME
ANT_HOME="$FORREST_HOME/tools/ant"

# ----- Set Up The Runtime Classpath ------------------------------------------

if [ "$cygwin" = "true" ] ; then
  S=';'
  FORREST_DOT_HOME=`cygpath -w "$FORREST_HOME"`
else
  S=':'
  FORREST_DOT_HOME=$FORREST_HOME
fi

# set the ant file to use
ANTFILE="$FORREST_DOT_HOME/main/forrest.build.xml"

CP="$CLASSPATH"
export CP
unset CLASSPATH

for i in $FORREST_HOME/lib/endorsed/*.jar; do
  if [ "$cygwin" = "true" ] ; then
    LIB=`cygpath -w $i`
  else
    LIB=$i
  fi

  CLASSPATH=$CLASSPATH$S$LIB
done

export CLASSPATH

echo "Apache Forrest.  Run 'forrest -projecthelp' to list options"
echo
export FORREST_HOME
"$ANT_HOME/bin/ant" --noconfig -buildfile "$ANTFILE" -Dbasedir="$PROJECT_HOME" -emacs $@
RESULT=$?

# ---- Restore Classpath
unset CLASSPATH
CLASSPATH=$CP
export CLASSPATH

# ---- Restore ANT_HOME
# Restore old ANT_HOME
ANT_HOME="$OLD_ANT_HOME"
export ANT_HOME

exit $RESULT