#!/bin/sh

usage () {
	cat <<EOF>&2
Usage: ${0##*/} [OPTIONS] SCRIPT [ARGS...]

Run Emacs Lisp SCRIPT.

Options:

  -b: Byte-compile before running.
  -c: Remove byte code once finished.
EOF
}

OPT_BYTE=false
OPT_CLEAN=false
while getopts :bc OPT; do
	case $OPT in
	b)
		OPT_BYTE=true ;;
	c)
		OPT_CLEAN=true ;;
	\?)
		usage
		exit 1 ;;
	esac
done

shift $((OPTIND - 1))
if [ $# -eq 0 ]; then
	usage
	exit 1
fi

if ! command -v emacs >/dev/null 2>&1; then
	echo >&2 'emacs not found'
	exit 1
fi

script="$1"
if $OPT_BYTE && [ "${0##*.}" = "el" ]; then
	script="${1%.*}.elc"
	emacs -Q --batch -f batch-byte-compile "$1" 2>/dev/null
fi
shift

emacs -Q --script "$script" "$@" 2>&1
status=$?
$OPT_CLEAN && rm "$script"
exit $status