#! /bin/bash
#
# Copyright 2009-2011 The VOTCA Development Team (http://www.votca.org)
#
# 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.
#

version='1.1 '

if [ -z "${CSGSHARE}" ]; then
  if [ -f "${0%/*}/../share/votca/scripts/inverse/inverse.sh" ]; then
    #transform it to a global path
    export CSGSHARE="$(cd ${0%/*}/../share/votca;pwd)"
  elif [ -f "/usr/share/votca/scripts/inverse/inverse.sh" ]; then
    export CSGSHARE="/usr/share/votca"
  fi
fi

#we leave --help here to have it even when
#CSGSHARE is not defined
if [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
  cat << eof
==================================================
========   VOTCA (http://www.votca.org)   ========
==================================================

please submit bugs to bugs@votca.org

eof
  if [ -f ${CSGSHARE}/scripts/inverse/inverse.sh ]; then
    exec ${CSGSHARE}/scripts/inverse/inverse.sh --help | \
      sed -e "s/inverse\.sh/${0##*/}/g" -e "s/%version%/${version}/"
    exit 0
  fi
  cat << eof
${0##*/}, version ${version}



Start the script to run IBM, IMC, etc.

Usage: ${0##*/} [OPTIONS] setting_file.xml

Allowed options:
-h, --help     Show this help

NOTE: this is a short help, please export CSGSHARE or
      source VOTCARC.bash or VOTCARC.csh to get the full help.
eof
exit 0
fi

if [ -z "${CSGSHARE}" ]; then
   echo "Error: Environment value CSGSHARE is not defined and could not be guessed" >&2
   echo "Export CSGSHARE or source VOTCARC.bash or VOTCARC.csh" >&2
   exit 1
fi

if [ -f ${CSGSHARE}/scripts/inverse/inverse.sh ]; then
   exec ${CSGSHARE}/scripts/inverse/inverse.sh $@
   exit 0
else
   echo "${0##*/}: Could not run \${CSGSHARE}/scripts/inverse/inverse.sh $@" >&2
   exit 1
fi
