#!/bin/sh

#
# Copyright (c) 2012-2013 Linagora
 
# This program/library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 2.1 of the License, or (at your
# option) any later version.
# 
# This program/library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
# 
# You should have received a copy of the GNU Lesser General Public License
# along with this program/library; If not, see <http://www.gnu.org/licenses/>
# for the GNU Lesser General Public License version 2.1.
#
##############################################################################
#
#                      Petals CLI Bootstrap Script
#
# Environment variables:
#
#	JAVA_HOME		Directory containing the JRE. Use the java executable
#					found in $PATH if not defined.
#
#	JAVA_OPTS		Options for the JVM. Try "java -h" to get informations
#					about the available options for your environment
#
#############################################################################

# Set the path to the java executable
JAVA="$JAVA_HOME/bin/java"
[ -x "$JAVA" ] || JAVA="`which java`" || {
	echo "ERROR: java executable not found" >&2
	exit 1
}


# Set the path to bootstrap jar
PETALS_CLI_JAR="/usr/share/petals-cli/petals-cli.jar"
[ -f "$PETALS_CLI_JAR" ] || {
	echo "ERROR: petals-cli.jar: the jar archive was not found" >&2
	exit 1
}

PETALS_CLI_CLASSPATH=$PETALS_CLI_JAR

# Add installed Petals CLI extensions to the classpath
PETALS_CLI_EXTENSIONS=`ls -1 /usr/share/petals-cli/extensions/*.jar 2>/dev/null`
for EXTENSION in $PETALS_CLI_EXTENSIONS
do
	PETALS_CLI_CLASSPATH=$PETALS_CLI_CLASSPATH:$EXTENSION
done


# Set an potential user preference file
USER_PREFS=$HOME/.petals-cli/petals-cli.default
if [ -f "$USER_PREFS" ];
then
   # A user preference file exists, it is used.
   export PETALS_CLI_PREFS="$USER_PREFS"
else
   # Default preferences
   export PETALS_CLI_PREFS=/etc/petals-cli/petals-cli.default
fi

# Start
exec "$JAVA" -classpath $PETALS_CLI_CLASSPATH $JAVA_OPTS -Djline.shutdownhook=true org.ow2.petals.cli.Main "$@"