#!/bin/bash
# ------------------------------------------
# llxcfg-setdirs (aka "The Script of Shame")
# ------------------------------------------
#
# Creacion de los directorios de variables para llxcfg "compatibles" con cddt-runtime
# Escrito por Luis Garcia Gisbert <garcia_luigis@gva.es> para LliureX (Abril 2006)
#

set -e

PATH="/usr/sbin:/usr/bin:/sbin:/bin"

# VARIABLES
# mantenemos compatibildad con CDDT ?
CDDT_COMP="Y"

# rutas
VAR_PATHS="/etc /usr/share /var/lib"
LLXCFG_DIR="llxcfg/vars"
CDDT_DIR="cddt/vars"

# funciones
# ---------

get_files(){
   find "$1" -maxdepth 1 -xtype f
}

dir_to_link(){
   ORIGIN_DIR="$1"
   TARGET_DIR="$2"
   
   if [ -d "${ORIGIN_DIR}" ]; then
      # si ya son la misma ruta no tenemos nada que hacer
      [ "`readlink -f ${ORIGIN_DIR}`" = "`readlink -f ${TARGET_DIR}`" ] && return 0
      VAR_FILES="`get_files ${ORIGIN_DIR}`"
      for f in ${VAR_FILES}; do
         cp -a ${f} ${TARGET_DIR}
      done
      rm -fr ${ORIGIN_DIR}
   else
      mkdir -p `dirname ${ORIGIN_DIR}`
   fi
   ln -s ${TARGET_DIR} ${ORIGIN_DIR}
   return 0
}

usage(){
   echo "$0 {create|delete}" >&2
   exit 1
}

# MAIN PROGRAM
case "$1" in
   create)
      for d in ${VAR_PATHS}; do
         if [ "${CDDT_COMP}" = "Y" ]; then
	    mkdir -p ${d}/${CDDT_DIR}
	    dir_to_link ${d}/${LLXCFG_DIR} ${d}/${CDDT_DIR}
	 else
	    mkdir -p ${d}/${LLXCFG_DIR}
	 fi
      done
      ;;
   delete)
      for d in ${VAR_PATHS}; do
         if [ "${CDDT_COMP}" = "Y" ]; then
	    rm -f ${d}/${LLXCFG_DIR}
	 else
            rmdir --ignore-fail-on-non-empty ${d}/${LLXCFG_DIR}
	 fi
      done
      ;;
   *)
      usage
      ;;
esac
exit 0