#!/bin/bash
# libcfg.lib -- @package@ library for loading the configuration file(s)
# Copyright (C) 2008,2011,2012 Davide Madrisan <davide.madrisan@gmail.com>

[ -z "$BASH" ] || [ ${BASH_VERSION:0:1} -lt 2 ] &&
   echo $"this script requires bash version 2 or better" >&2 && exit 1

[ -r @libdir@/libmsgmng.lib ] ||
 { echo "$me: "$"library not found"": @libdir@/libmsgmng.lib" 1>&2
   exit 1; }
. @libdir@/libmsgmng.lib

if [[ -z "$LANG" && -r /etc/sysconfig/i18n ]]; then
   . /etc/sysconfig/i18n
   [ "$LANG" ] && export LANG
fi
TEXTDOMAIN="libcfg"; export TEXTDOMAIN

# list of the configuration file(s)
default_cfg_list=(\
`ls /etc/@package@.conf /etc/@package@.d/*.conf \
    ~/.@package@ ~/.@package@.d/*.conf 2>/dev/null`)

default_cfg_strlist="/etc/@package@.conf /etc/@package@.d/*.conf"
default_cfg_user_strlist="~/.@package@ ~/.@package@.d/*.conf"

# check if the user configurations file for autospec is present
function config.check4user() {
   local user_data=$(getent passwd 2>/dev/null | grep "x:$(id -u):")
   local user_fullname=$(echo "$user_data" | cut -d: -f 5)
   local email_infof_kde

   if [ -r "$HOME/.kde/share/config/emaildefaults" ]; then
      email_infof_kde="$HOME/.kde/share/config/emaildefaults"
   elif [ -r "$HOME/.kde4/share/config/emaildefaults" ]; then
      email_infof_kde="$HOME/.kde4/share/config/emaildefaults"
   fi

   if [[ -n "$email_infof_kde" && -z "$packager_email" ]]; then
      packager_email="$(\
sed -n "/EmailAddress/{s/.*=//p}" "$email_infof_kde" 2>/dev/null)"
   fi

   [ -r ~/.@package@ ] || notify.error $"\
configuration file not found"": ${HOME:-~}/.@package@
---------------------------------------
${NOTE}"$"Hint"":${NORM}
packager_fullname=\"${user_fullname:-Your Name}\"
packager_email=\"${packager_email:-email@domain}\"
ftp_rw_user[1]=\"user\"
ftp_rw_passwd[1]=\"passwd\"
---------------------------------------
"
}

function config.security() {
   if [ -n "$packager_group" ]; then
      [ "$(groups 2>/dev/null | grep $packager_group 2>/dev/null)" ] ||
         notify.error $"\
user \`$(id -nu)' does not belong to group \`$packager_group'"
   else
      notify.warning "\`packager_group' "$"unset in the configuration files"
   fi
}

# checking for errors in the configuration file
function config.integrity() {
   mandatory_cfg_vars='
DISTRO
DISTRO_rpm
VENDOR
packager_fullname
packager_email
ftpurl_ro_rpms
ftpurl_ro_srpms
packager_group
allowed_libdirs
library_group
library_summary
library_group_devel
library_group_perl
format_buildroot_value
man_compress_ext
info_compress_ext
library_name_structure
perl_module_name_structure
patch_name_structure
source0_name_structure
plugindir
plugin_pck_update
plugin_spec_create
plugin_pck_extract
plugin_config_getvar'

   # note: use indirect references to 'mandatory_cfg_vars' variables
   for cfg_var in $mandatory_cfg_vars; do
      (set -u; : ${!cfg_var}) 2>/dev/null ||
         notify.error $"\
missing variable in the configuration file"" -- \`$cfg_var'"
   done
}

# load configuration files
function cfg_load_files() {
   notify.debug "$FUNCNAME: loading configuration files..."
   if [ "$1" ]; then
      # select a different list of user configuration files
      cfgfile_list=(\
`ls /etc/@package@.conf /etc/@package@.d/*.conf $1 2>/dev/null`)
   else
      # default configuration files
      cfgfile_list=(${default_cfg_list[@]})
   fi

   notify.debug "$FUNCNAME: cfgfile_list = (${cfgfile_list[*]})"

   local cfg_file
   local cfg_files_num=0
   for cfg_file in ${cfgfile_list[*]}; do
      if [ -e "$cfg_file" ]; then
         cfg_files_num=$(($cfg_files_num + 1))
         notify.debug $"loading"": \`$cfg_file'..."
         [ -r "$cfg_file" ] || notify.error $"cannot read"" \`$cfg_file'"
         . "$cfg_file"
      else
         notify.error $"configuration file not found"": $cfg_file"
      fi
   done

   [ "$cfg_files_num" = 0 ] && notify.error $"configuration file not found"
}