#!/bin/sh -e
#
# 2020 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/>.
#
# This explorer retrieves the current options of the configuration section.

RS=$(printf '\036')

section=$("${__type_explorer:?}/match")
test -n "${section}" || exit 0

uci -s -N -d "${RS}" show "${section}" 2>/dev/null \
| awk -v VSEP="${RS}" '
  {
	  # Strip off the config and section parts
	  is_opt = sub(/^([^.]*\.){2}/, "")

	  if (!is_opt) {
		  # this line represents the section -> skip
		  next
	  }

	  if (index($0, VSEP)) {
		  # Put values each on a line, like --option and --list parameters
		  opt = substr($0, 1, index($0, "=") - 1)
		  split(substr($0, length(opt) + 2), values, VSEP)
		  for (i in values) {
			  printf "%s=%s\n", opt, values[i]
		  }
	  } else {
		  print
	  }
  }'