# GNU Guix --- Functional package management for GNU
# Copyright © 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2020 Vagrant Cascadian <vagrant@debian.org>
#
# This file is part of GNU Guix.
#
# GNU Guix is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

network_reachable() {
    if guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2> /dev/null; then
        return 0
    fi
    return 1
}

skip_if_network_unreachable() {
	if ! network_reachable ; then
		exit 77
	fi
}
