#!/bin/bash

#

# centos-art.sh -- This file is the initialization script, the first

# script the centos-art command executes.

#

# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG

#

# 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.

#

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

# $Id$

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

# Most paths are built from HOME variable on, so we need to make our

# best to make it contain a valid value before any path be built from

# it. Using HOME variable gives us some flexibility to store the

# repository filesystem in a location different from `/home/centos',

# the default home directory centos-art assumes if HOME variable is

# empty or malformed.

[[ ! $HOME =~ '^/home/[[:alnum:]]+' ]] && HOME='/home/centos'

# Initialize personal information.

export CLI_PROGRAM='centos-art'

export CLI_PROGRAM_ID=$$

export CLI_VERSION='1.0 (beta)'

export CLI_BASEDIR="${HOME}/artwork/trunk/Scripts"

export CLI_TEMPDIR='/tmp'

# Initizalize internazionalization through gettext.

. gettext.sh

export TEXTDOMAIN=${CLI_PROGRAM}.sh

export TEXTDOMAINDIR=${HOME}/artwork/trunk/Locales/Scripts

# Initialize common function scripts.

FILES=$(ls ${CLI_BASEDIR}/Functions/{cli,cli_*}.sh)

for FILE in ${FILES};do

    if [[ -x ${FILE} ]];then

        . ${FILE}

        FUNCTION=$(grep '^function ' ${FILE} | cut -d' ' -f2)

        export -f ${FUNCTION}

    else

        echo `gettext "The ${FILE} needs to have execution rights."` > /dev/stderr

        exit

    fi

done

# Unset all variables not considered global in order to start cli

# execution with a clean environment.

unset FILE

unset FILES

unset FUNCTION

# Trap signals in order to terminate the script execution correctly

# (e.g., removing all temporal files before leaving).  Trapping the

# exit signal seems to be enough by now, since it is always present as

# part of the script execution flow. Each time the centos-art.sh

# script is executed it will inevitably end with an EXIT signal at

# some point of its execution, even if it is interrupted in the middle

# of its execution (e.g., through `Ctrl+C').

trap cli_terminateScriptExecution 0

# Initialize command-line interface.

cli "$@"