#!/bin/bash

#

# prepare_doEnvironment.sh -- This function outputs a brief description

# of environment variables used by `centos-art.sh' script.

#

# Copyright (C) 2009, 2010, 2011 The CentOS Project

#

# This program 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 2 of the License, or (at

# your option) any later version.

#

# This program 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 this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function prepare_doEnvironment {

    # Verify `--packages' option.

    if [[ $FLAG_ENVIRONMENT == 'false' ]];then

        return

    fi

    # Print action message.

    cli_printMessage "`gettext "Checking environment variables"`" --as-banner-line

    local -a VARS

    local -a INFO

    local COUNT=0

    # Define name of environment variables used by centos-art.sh

    # script.

    VARS[0]='EDITOR'

    VARS[1]='TZ'

    VARS[2]='TEXTDOMAIN'

    VARS[3]='TEXTDOMAINDIR'

    VARS[4]='LANG'

    # Define description of environment variables.

    INFO[0]="`gettext "Default text editor"`"

    INFO[1]="`gettext "Default time zone representation"`"

    INFO[2]="`gettext "Default domain used to retrieve translated messages"`"

    INFO[3]="`gettext "Default directory used to retrive translated messages"`"

    INFO[4]="`gettext "Default locale information"`"

    until [[ $COUNT -eq ${#VARS[*]} ]];do

        # Let user to reduce output using regular expression as

        # reference.

        if [[ ${VARS[$COUNT]} =~ $FLAG_FILTER ]];then

            # Output list of environment variables using indirect

            # expansion (what a beautiful feature!) to output variable

            # value.

            cli_printMessage "${INFO[$COUNT]}:"

            cli_printMessage "${VARS[$COUNT]}=${!VARS[$COUNT]}" --as-response-line

        fi

        # Increment counter.

        COUNT=$(($COUNT + 1))

    done

}