#! /bin/sh

set -e

if [ -n "$COMPILE_R7RS" -a "$0" != "$COMPILE_R7RS" ]; then
    exec "$COMPILE_R7RS" "$@"
fi

outfile=
cmdline=chibi-scheme

while getopts :A:D:I:o: name
do
    case $name in
	A) cmdline="$cmdline -A $OPTARG";;
	D) cmdline="$cmdline -D $OPTARG";;
	I) cmdline="$cmdline -I $OPTARG";;
	o) outfile="$OPTARG";;
	:) printf "%s: error: argument missing after ‘-%s’\n" $0 $OPTARG
	   exit 2;;
	?) printf "%s: error: unrecognized command line option ‘-%s’\n" $0 $OPTARG
	exit 2;;
    esac
done

shift $(($OPTIND - 1))

if [ -z "$1" ]; then
   exit 0
fi

if [ -z "$outfile" ]; then
    outfile=$(basename -- "$1" .scm)
fi;

cat <<EOF >"$outfile"
#! /bin/sh
#|
$cmdline -- "\$0" "\$@"
exit \$?
|#
EOF

cat "$1" >>"$outfile"

chmod a+x "$outfile"