#!/bin/bash
  # Copyright  2017  Atlas Guide (Author : Lucas Jo)
  #
  # Apache 2.0
  #
  
  echo "#### installing morfessor"
  dirname=morfessor
  if [ ! -d ./$dirname ]; then
    mkdir -p ./$dirname
    git clone https://github.com/aalto-speech/morfessor.git morfessor ||
      {
        echo  >&2 "$0: Error git clone operation "
        echo  >&2 "  Failed in cloning the github repository (https://github.com/aalto-speech/morfessor.git)"
        exit
      }
  fi
  
  # env.sh setup
  (
    set +u
    [ ! -z "${MORFESSOR}" ] && \
      echo >&2 "morfessor variable is aleady defined. undefining..." && \
      unset MORFESSOR
  
    [ -f ./env.sh ] && . ./env.sh
  
    [ ! -z "${MORFESSOR}" ] && \
      echo >&2 "MORFESSOR config is already in env.sh" && exit
  
    wd=`pwd`
    wd=`readlink -f $wd || pwd`
  
    echo "export MORFESSOR=\"$wd/morfessor\""
    echo "export PATH=\"\$PATH:\${MORFESSOR}/scripts\""
    echo "export PYTHONPATH=\"\${PYTHONPATH:-}:\$MORFESSOR\""
  ) >> env.sh
  
  echo >&2 "installation of MORFESSOR finished successfully"
  echo >&2 "please source tools/env.sh in your path.sh to enable it"