#!/bin/bash
######################################################################
#
#   centos-art.sh -- The CentOS artwork repository automation tool.
#
#   Written by:
#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013
#
# Copyright (C) 2009-2013 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.
#
######################################################################

# Verify absolute path to the working directory. This information is
# critical for centos-art.sh script to work.
if [[ ! ${TCAR_BASEDIR} ]] || [[ -z ${TCAR_BASEDIR} ]] \
    || [[ ! -d ${TCAR_BASEDIR} ]];then
    printf "Enter repository's absolute path: "
    read TCAR_BASEDIR
    declare -xr TCAR_BASEDIR=$(printf ${TCAR_BASEDIR} \
        | sed -r -e 's,/+,/,g' -e 's,/+$,,')
fi

# Define automation scripts base directory. We need to define it here
# in order to reach the configuration file. All other environment
# variable definitions must be declared inside the configuration file.
if [[ -d ${TCAR_BASEDIR} ]];then
    declare -xr TCAR_SCRIPT_BASEDIR=${TCAR_BASEDIR}/Automation
else
    exit 1
fi

# Initialize default configuration values.
if [[ -d ${TCAR_SCRIPT_BASEDIR} ]];then
    . ${TCAR_SCRIPT_BASEDIR}/centos-art.conf.sh
else
    exit 1
fi

# Initialize user-specific configuration values.
if [[ -f ${TCAR_USER_CONFIG} ]];then
    . ${TCAR_USER_CONFIG}
fi

case ${1} in

    --help )
        # Print script's help.
        ${TCAR_MANUAL_READER} ${TCAR_SCRIPT_NAME}
        ;;

    --version )
        # Print script's name and version.
        echo "${TCAR_SCRIPT_NAME} ${TCAR_SCRIPT_VERSION}"
        ;;

    * )

        # Export script's environment functions.
        for SCRIPT_FILE in $(ls ${TCAR_SCRIPT_BASEDIR}/Scripts/*.sh);do
            if [[ -x ${SCRIPT_FILE} ]];then
                . ${SCRIPT_FILE}
                export -f $(grep '^function ' ${SCRIPT_FILE} | cut -d' ' -f2)
            else
                echo "${SCRIPT_FILE} `gettext "has not execution rights."`"
            fi
        done

        # 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 tcar_terminateScriptExecution 0

        # Export script's module environment.
        tcar_setModuleEnvironment "${@}"
        ;;

esac

exit 0