#!/bin/bash

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

#

#   prepare_getOptions.sh -- This function parses options passed to

#   `centos-art.sh' script command-line, when the first argument is

#   the `prepare' word. To parse options, this function makes use of

#   getopt program.

#

#   Written by:

#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013

#     Key fingerprint = D67D 0F82 4CBD 90BC 6421  DF28 7CCE 757C 17CA 3951

#

# Copyright (C) 2009-2013 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.

#

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

function prepare_getOptions {

    # Define short options we want to support.

    local ARGSS="h,v,q,y"

    # Define long options we want to support.

    local ARGSL="help,version,quiet,yes,packages,repository"

    # Define module arguments local to this function. This is very

    # important in order to provide option parsing for different

    # function environment levels.

    local TCAR_ARGUMENTS=''

    # Redefine arguments using getopt(1) command parser.

    tcar_setArguments "${@}"

    # Reset positional parameters on this function, using output

    # produced from (getopt) arguments parser.

    eval set -- "${TCAR_ARGUMENTS}"

    # Look for options passed through command-line.

    while true; do

        case "$1" in

            -h | --help )

                tcar_printHelp

                ;;

            -v | --version )

                tcar_printVersion

                ;;

            -q | --quiet )

                TCAR_FLAG_QUIET="true"

                shift 1

                ;;

            -y | --yes )

                TCAR_FLAG_YES="true"

                shift 1

                ;;

            --packages )

                MODULE_ACTIONS="${MODULE_ACTIONS} prepare_setPackages"

                shift 1

                ;;

            --repository )

                MODULE_ACTIONS="${MODULE_ACTIONS} prepare_setRepository"

                shift 1

                ;;

            -- )

                # Remove the `--' argument from the list of arguments

                # in order for processing non-option arguments

                # correctly. At this point all option arguments have

                # been processed already but the `--' argument still

                # remains to mark ending of option arguments and

                # beginning of non-option arguments. The `--' argument

                # needs to be removed here in order to avoid

                # centos-art.sh script to process it as a path inside

                # the repository, which obviously is not.

                shift 1

                break

                ;;

        esac

    done

}