#! /bin/sh -e
# tup - A file-based build system
#
# Copyright (C) 2011-2015  Mike Shal <marfey@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# Including an empty file name shouldn't segfault. This can happen if we
# expand a variable to an empty string, as below.

. ./tup.sh

cat > Tupfile << HERE
var=
include foo
include \$(var)
HERE
tup touch Tupfile foo
parse_fail_msg 'Invalid include filename'

eotup
