#!/bin/sh
#
# 2011 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/>.
#
#
# This binary is executed on the remote side to execute explorers
# 
# It supports different variables names to be used, so __explorers
# and __type_explorers can be submitted :-)
#

. cdist-config
[ $# -eq 3 ] || __cdist_usage "<variable name> <explorer dir> <out dir>"
set -ue

# Variable that defines the home of the explorers
__cdist_variable_name="$1"; shift

# Find explorers here
__cdist_explorer_dir="$1"; shift

# Write output here
__cdist_my_out_dir="$1"; shift

# Setup environment
export $__cdist_variable_name="$__cdist_explorer_dir"
export __global="$__cdist_remote_out_dir"

mkdir -p "$__cdist_my_out_dir"

# Ensure there is at least one explorer
num="$(ls -1 "$__cdist_explorer_dir" | wc -l)"
if [ "$num" -lt 1 ]; then
   __cdist_exit_err "${__cdist_explorer_dir}: Contains no explorers"
fi

# Execute all explorers
for explorer in "$__cdist_explorer_dir/"*; do
   explorer_name="${explorer##*/}"

   if [ -f "$explorer" ]; then
      if [ ! -x "$explorer" ]; then
         echo "Explorer \"$explorer\" exists, but is not executable." >&2
         exit 1
      fi

      # Execute explorers and save results in remote destination directory
      "$explorer" > "${__cdist_my_out_dir}/$explorer_name"
   else
      if [ -e "$explorer" ]; then
         echo "Explorer \"$explorer\" exists, but is not a file." >&2
         exit 1
      fi
   fi
done