#!/bin/sh
if [ $# -eq 0 ]; then
  echo "Usage: `basename $0` [options] [.exs file] [data]

  -v                Prints version and exit
  -e \"command\"      Evaluates the given command (*)
  -r \"file\"         Requires the given files/patterns (*)
  -pr \"file\"        Requires the given files/patterns in parallel (*)
  -pa \"path\"        Prepend the given path to Erlang code path (*)
  -pz \"path\"        Append the given path to Erlang code path (*)
  --no-halt         Do not halt the Erlang VM after execution

** Options marked with (*) can be given more than once;

** Options given after the .exs file or -- are passed down to the executed code;

** Options can be passed to the erlang runtime using ELIXIR_ERL_OPTS." >&2
  exit 1
fi

readlink_f () {
  cd `dirname $1` > /dev/null
  local filename=`basename $1`
  if [ -h "$filename" ]; then
    readlink_f `readlink $filename`
  else
    echo "`pwd -P`/$filename"
  fi
}

SELF=`readlink_f $0`
SCRIPT_PATH=`dirname $SELF`

if [ -f "$SCRIPT_PATH/../releases/RELEASES" ] && [ -f "$SCRIPT_PATH/erl" ]
then
  $SCRIPT_PATH/erl -env ERL_LIBS $ERL_LIBS:$SCRIPT_PATH/../lib -boot elixir -noshell $ELIXIR_ERL_OPTS -s elixir start_cli -extra "$@"
else
  erl -env ERL_LIBS $ERL_LIBS:$SCRIPT_PATH/../lib -noshell $ELIXIR_ERL_OPTS -s elixir start_cli -extra "$@"
fi