#!/bin/bash

######################################################################

#

#   tcar - The CentOS Artwork Repository automation tool.

#   Copyright © 2014 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.

#

#   Alain Reguera Delgado <al@centos.org.cu>

#   39 Street No. 4426 Cienfuegos, Cuba.

#

######################################################################

# Standardize the copyright information printed on content produced by

# tcar.sh script.

#

# As far as I understand, the copyright exists to make people create

# more.  The copyright gives creators the legal power over their

# creations and so the freedom to distribute them under the ethical

# terms the creator considers better.  At this moment I don't feel

# very confident about this legal affairs and their legal

# implications, but I need to decide what copyright information the

# tcar.sh script will print out when someone request information about

# it.  So, in that sake, I am using The CentOS Artwork SIG as

# copyright holder and the GNU Public License, version 2 or any later,

# for software distribution.

function tcar_printCopyrightInfo {

    case "${1}" in

        --license )

            # Print the license name. 

            echo "`gettext "Creative Common Attribution-ShareAlike 3.0 License"`"

            ;;

        --license-url )

            # Print the url related to license name.

            tcar_printUrl --cc-sharealike

            ;;

        --first-year )

            # The former year when I (as collaborator of The CentOS

            # Project) started to consolidate The CentOS Project

            # Corporate Visual Identity through the CentOS Artwork

            # Repository.

            echo '2009'

            ;;

        --year|--last-year)

            # The software release year.

            echo 2014

            ;;

        --years-range )

            local FIRST_YEAR=$(tcar_printCopyrightInfo --first-year)

            local LAST_YEAR=$(tcar_printCopyrightInfo --last-year)

            echo "${FIRST_YEAR}-${LAST_YEAR}"

            ;;

        --years-list )

            local FIRST_YEAR=$(tcar_printCopyrightInfo --first-year)

            local LAST_YEAR=$(tcar_printCopyrightInfo --last-year)

            # Define full copyright year string based on first and

            # last year.

            local FULL_YEAR=$(\

                while [[ ${FIRST_YEAR} -le ${LAST_YEAR} ]];do

                    echo -n "${FIRST_YEAR}, "

                    FIRST_YEAR=$((${FIRST_YEAR} + 1))

                done)

            # Prepare full copyright year string and print it out. 

            echo "${FULL_YEAR}" | sed 's!, *$!!'

            ;;

        --holder )

            # Print tcar.sh script default copyright holder. Be

            # pragmatic about this information, please. The CentOS

            # Project exists to produce The CentOS Distribution, not

            # tcar.sh script. Nevertheless, The CentOS Artwork SIG is

            # an organizational unit of The CentOS Project which is

            # focused on producing The CentOS Project corporate visual

            # identity, by means of The CentOS Artwork Repository.

            # The tcar.sh script automates frequent tasks inside The

            # CentOS Artwork Repository so, based on these

            # considerations, the copyright holder of the tcar.sh

            # script is "closer" to be The CentOS Artwork SIG than it

            # would be The CentOS Project. These are the logical

            # choosing ideas behind the copyright holder of tcar.sh

            # script.

            echo "`gettext "The CentOS Artwork SIG"`"

            ;;

        --holder-predicate )

            local HOLDER=$(tcar_printCopyrightInfo --holder)

            echo "${HOLDER}. `gettext "All rights reserved."`"

            ;;

        * )

            local YEAR=$(tcar_printCopyrightInfo --last-year)

            local HOLDER=$(tcar_printCopyrightInfo --holder)

            echo "Copyright © ${YEAR} ${HOLDER}"

            ;;

    esac

}