#!/bin/sh

bindir="%bindir%"
DEFAULT_TET_ROOT="%DEFAULT_TET_ROOT%"

TCC="${TCC-${bindir}/tcc}"
PERL=${PERL-perl}
XTS_CONFIG="${XTS_CONFIG-${bindir}/xts-config}"

prog=$0
config=
config_in="${TET_ROOT-$DEFAULT_TET_ROOT}/xts5/tetexec.cfg.in"
outdir=
scenario=

while [ -n "$1" ]; do
	case "$1" in
	-c)
		config=$2
		shift
		;;
	-o)
		outdir=$2
		shift
		;;
	-h|--help)
		echo "Usage: $prog [options] [scenario]"
		exit 0
		;;
	-*)
		echo "error: unrecognized option \"$1\"" >&2
		exit 1
		;;
	*)
		if [ -n "$scenario" ]; then
			echo "error: only one scenario allowed" >&2
			exit 1
		fi
		scenario=$1
	esac
	shift
done

# Create the config file if necessary
if [ -z "$config" ]; then
	config=`mktemp tetexec.cfg.XXXXXXXXXX`
	trap 'rm -f "$config"' 0 1 2 3 15
	if ! "$PERL" "$XTS_CONFIG" < "$config_in" > "$config"; then
		echo "error: failed to create config file $config" >&2
		exit 1
	fi		
else
	if [ ! -r "$config" ]; then
		echo "error: cannot read config file $config" >&2
		exit 1
	fi
fi

# Create the output directory
[ -n "$outdir" ] || outdir="xts-`date +%F-%R`"
if [ ! -d "$outdir" ] && ! mkdir -p "$outdir"; then
	echo "error: failed to create output directory $outdir" >&2
	exit 1
fi

"$TCC" -e -i "$outdir" -x "$config" xts5 $scenario