#!/bin/bash
  
  # Installs beamformit from the location https://github.com/xanguera/BeamformIt
  
  # libsndfile needed by beamformit
  [ ! -f libsndfile-1.0.25.tar.gz ] && \
    wget http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.25.tar.gz
  [ ! -d libsndfile-1.0.25 ] && \
    tar xzf libsndfile-1.0.25.tar.gz
  (
    cd libsndfile-1.0.25
    ./configure --prefix=$PWD
    make
    make install
  )
  
  # building beamformit
  [ ! -d ./BeamformIt ] &&
    git clone https://github.com/xanguera/BeamformIt
  (
    cd BeamformIt
    git pull
    cmake -DLIBSND_INSTALL_DIR=$PWD/../libsndfile-1.0.25 .
    make
  )
  
  # add config into env.sh
  (
    [ ! -z "${BEAMFORMIT}" ] && \
      echo >&2 "BEAMFORMIT variable is aleady defined. Undefining..." && \
      unset BEAMFORMIT
  
    [ -f ./env.sh ] && . ./env.sh
  
    [ ! -z "${BEAMFORMIT}" ] && \
      echo >&2 "BeamformIt config is already in env.sh" && exit
  
    wd=`pwd`
    wd=`readlink -f $wd || pwd`
  
    echo "export BEAMFORMIT=$wd/BeamformIt"
    echo "export PATH=\${PATH}:\${BEAMFORMIT}"
  ) >> env.sh