#!/bin/sh
#
# 2019 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
#
# This file is part of cdist.
#
# cdist 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.
#
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
#
#
# Retrieve the running hostname
#

# Firstly, check hostnamectl if available.
if command -v hostnamectl >/dev/null
then
    hostnamectl --static && exit 0
fi


# Almost any distribution
if [ -f /etc/hostname ]; then
    cat /etc/hostname
# SuSE
elif [ -f /etc/HOSTNAME ]; then
    cat /etc/HOSTNAME
# OpenBSD
elif [ -f /etc/myname ]; then
    cat /etc/myname
# FreeBSD
elif [ "$(uname -s)" == FreeBSD ]; then
    (. /etc/rc.conf && echo $hostname)
# Mac OS X
elif [ "$(uname -s)" == Darwin -a -x "$(command -v scutil)" ]; then
    scutil --get HostName 2>/dev/null || hostname -s
else
    command -v hostname && hostname -s
fi