#!/bin/sh
#
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
#
# 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/>.
#

key="$(cat "$__object/parameter/key" 2>/dev/null \
   || echo "$__object_id")"
state="$(cat "$__object/parameter/state" 2>/dev/null \
   || echo "present")"
file="$(cat "$__object/parameter/file")"
delimiter="$(cat "$__object/parameter/delimiter")"
value="$(cat "$__object/parameter/value" 2>/dev/null \
   || echo "__CDIST_NOTSET__")"

case "$state" in
   absent)
      if grep -q -E "^$key$delimiter+" "$file"; then
         # if the key exists, with whatever value, we will have to remove it
         # so report it as present
         echo present
      else
         # key does not exist
         echo absent
      fi
   ;;
   present)
      if grep -q -E "^$key$delimiter+$value$" "$file"; then
         # key exists and value is same
         echo present
      elif grep -q -E "^$key$delimiter+" "$file"; then
         # key exists, but value is empty or different
         echo wrongvalue
      else
         # key does not exist
         echo absent
      fi
   ;;
esac