#!/bin/sh -e
#
# 2014 Steven Armstrong (steven-cdist at armstrong.cc)
# 2018 Takashi Yoshi (takashi at yoshi.email)
#
# 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/>.
#

value_should="$(cat "$__object/parameter/value")"
value_is="$(cat "$__object/explorer/value")"

if [ "$value_should" = "$value_is" ]; then
   # Nothing to do
   exit 0
fi

os=$(cat "$__global/explorer/os")
case "$os" in
   # Linux
   redhat|centos|ubuntu|debian|devuan|archlinux|gentoo|coreos)
      flag='-w'
      ;;
   # BusyBox
   alpine|openwrt)
      flag='-w'
      ;;
   macosx)
      # NOTE: Older versions of Mac OS X require the -w option.
      #       Even though the flag is not mentioned in new man pages anymore,
      #       it still works.
      flag='-w'
      ;;
   netbsd)
      # shellcheck disable=SC2016
      echo 'PATH=$(getconf PATH)'
      flag='-w'
      ;;
   freebsd|openbsd)
      flag=''
   ;;
esac

# set the current runtime value
printf 'sysctl %s %s="%s"\n' "$flag" "$__object_id" "$value_should"
