cdist/cdist/conf/explorer/os

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#!/bin/sh
#
# 2010-2011 Nico Schottelius (nico-cdist at schottelius.org)
# Copyright 2017, Philippe Gregoire <pg@pgregoire.xyz>
#
# 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/>.
#
#
# All os variables are lower case. Keep this file in alphabetical
# order by os variable except in cases where order otherwise matters,
# in which case keep the primary os and its derivatives together in
# a block (see Debian and Redhat examples below).
#
if grep -q ^Amazon /etc/system-release 2>/dev/null; then
echo amazon
exit 0
fi
if [ -f /etc/arch-release ]; then
echo archlinux
exit 0
fi
if [ -f /etc/cdist-preos ]; then
echo cdist-preos
exit 0
fi
if [ -d /gnu/store ]; then
echo guixsd
exit 0
fi
### Debian and derivatives
if grep -q ^DISTRIB_ID=Ubuntu /etc/lsb-release 2>/dev/null; then
echo ubuntu
exit 0
fi
# devuan ascii has both devuan_version and debian_version, so we need to check devuan_version first!
if [ -f /etc/devuan_version ]; then
echo devuan
exit 0
fi
if [ -f /etc/debian_version ]; then
echo debian
exit 0
fi
###
if [ -f /etc/gentoo-release ]; then
echo gentoo
exit 0
fi
if [ -f /etc/openwrt_version ]; then
echo openwrt
exit 0
fi
if [ -f /etc/owl-release ]; then
echo owl
exit 0
fi
### Redhat and derivatives
if grep -q ^Scientific /etc/redhat-release 2>/dev/null; then
echo scientific
exit 0
fi
if grep -q ^CentOS /etc/redhat-release 2>/dev/null; then
echo centos
exit 0
fi
if grep -q ^Fedora /etc/redhat-release 2>/dev/null; then
echo fedora
exit 0
fi
if grep -q ^Mitel /etc/redhat-release 2>/dev/null; then
echo mitel
exit 0
fi
if [ -f /etc/redhat-release ]; then
echo redhat
exit 0
fi
###
if [ -f /etc/SuSE-release ]; then
echo suse
exit 0
fi
if [ -f /etc/slackware-version ]; then
echo slackware
exit 0
fi
uname_s="$(uname -s)"
# Assume there is no tr on the client -> do lower case ourselves
case "$uname_s" in
Darwin)
echo macosx
exit 0
;;
NetBSD)
echo netbsd
exit 0
;;
FreeBSD)
echo freebsd
exit 0
;;
OpenBSD)
echo openbsd
exit 0
;;
SunOS)
echo solaris
exit 0
;;
esac
if [ -f /etc/os-release ]; then
# after sles15, suse don't provide an /etc/SuSE-release anymore, but there is almost no difference between sles and opensuse leap, so call it suse
# shellcheck disable=SC1091
if (. /etc/os-release && echo "${ID_LIKE}" | grep -q '\(^\|\ \)suse\($\|\ \)')
then
echo suse
exit 0
fi
# already lowercase, according to:
# https://www.freedesktop.org/software/systemd/man/os-release.html
awk -F= '/^ID=/ { if ($2 ~ /^'"'"'(.*)'"'"'$/ || $2 ~ /^"(.*)"$/) { print substr($2, 2, length($2) - 2) } else { print $2 } }' /etc/os-release
exit 0
fi
echo "Unknown OS" >&2
exit 1