#!/bin/sh
set -e

if [ $# -eq 0 ] || [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
  cat <<USAGE >&2
Usage: $(basename "$0") [elixir switches] [compiler switches] [.ex files]

  -h, --help                Prints this message and exits
  -o                        The directory to output compiled files
  -v, --version             Prints Elixir version and exits (standalone)

  --ignore-module-conflict  Does not emit warnings if a module was previously defined
  --no-debug-info           Does not attach debug info to compiled modules
  --no-docs                 Does not attach documentation to compiled modules
  --profile time            Profile the time to compile modules
  --verbose                 Prints compilation status
  --warnings-as-errors      Treats warnings as errors and return non-zero exit status

Options given after -- are passed down to the executed code.
Options can be passed to the Erlang runtime using \$ELIXIR_ERL_OPTIONS.
Options can be passed to the Erlang compiler using \$ERL_COMPILER_OPTIONS.
USAGE
  exit 1
fi

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

SELF=$(readlink_f "$0")
SCRIPT_PATH=$(dirname "$SELF")
exec "$SCRIPT_PATH"/elixir +elixirc "$@"