#!/bin/sh
#
# 2012 Nico Schottelius (nico-cdist at schottelius.org)
#
# 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/>.
#
#

file="/$__object_id"
[ -f "$__object/parameter/file" ] && file=$(cat "$__object/parameter/file")

if [ -f "$__object/parameter/regex" ]; then
    regex=$(cat "$__object/parameter/regex")
else
    if [ ! -f "$__object/parameter/line" ]; then
        echo "Parameter line and regex missing - cannot explore" >&2
        exit 1
    fi
    regex="^$(cat "$__object/parameter/line")\$"
fi

# Allow missing file - thus 2>/dev/null
if grep -q "$regex" "$file" 2>/dev/null; then
    echo present
else
    echo absent
fi