#!/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/>.
#
#
# Manage users.
#

name="$__object_id"

command=
if grep -q "^$name" "$__object/explorer/passwd"; then
   # user exists
   command="usermod"
else
   # user does not exist
   command="useradd"
fi


get_current_value() {
   local key="$1"
   local new_value="$2"

   local explorer="$__object/explorer/passwd"
   local index
   case "$key" in
      password)
         explorer="$__object/explorer/shadow"
         index=2
      ;;
      uid) index=3;;
      gid)
         if [[ $new_value =~ ^[0-9]+$ ]]; then
            # numeric gid
            index=4
         else
            # group name
            explorer="$__object/explorer/group"
            index=1
         fi
      ;;
      comment) index=5;;
      home) index=6;;
      shell) index=7;;
   esac
   cut -d':' -f $index "$explorer"
}


set -- "$@"
cd "$__object/parameter"
for property in $(ls .); do
   new_value="$(cat "$property")"
   current_value=$(get_current_value "$property" "$new_value")
   if [ "$new_value" != "$current_value" ]; then
      # Shedule changed properties for update
      set -- "$@" "--$property" \"$new_value\"
   fi
done


if [ $# -gt 0 ]; then
   # Update changed properties
   echo $command $@ $name
fi