Blame Automation/Modules/Prepare/prepare_getOptions.sh

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#!/bin/bash
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######################################################################
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#
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#   prepare_getOptions.sh -- This function parses options passed to
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#   `centos-art.sh' script command-line, when the first argument is
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#   the `prepare' word. To parse options, this function makes use of
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#   getopt program.
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#
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#   Written by:
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#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013
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#     Key fingerprint = D67D 0F82 4CBD 90BC 6421  DF28 7CCE 757C 17CA 3951
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#
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# Copyright (C) 2009-2013 The CentOS Project
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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######################################################################
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function prepare_getOptions {
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    # Define short options we want to support.
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    local ARGSS="h,v,q,y"
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    # Define long options we want to support.
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    local ARGSL="help,version,quiet,yes,packages,repository"
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    # Define module arguments local to this function. This is very
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    # important in order to provide option parsing for different
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    # function environment levels.
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    local TCAR_ARGUMENTS=''
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    # Redefine arguments using getopt(1) command parser.
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    tcar_setArguments "${@}"
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    # Reset positional parameters on this function, using output
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    # produced from (getopt) arguments parser.
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    eval set -- "${TCAR_ARGUMENTS}"
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    # Look for options passed through command-line.
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    while true; do
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        case "$1" in
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            -h | --help )
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                tcar_printHelp
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                ;;
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            -v | --version )
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                tcar_printVersion
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                ;;
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            -q | --quiet )
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                TCAR_FLAG_QUIET="true"
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                shift 1
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                ;;
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            -y | --yes )
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                TCAR_FLAG_YES="true"
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                shift 1
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                ;;
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            --packages )
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                MODULE_ACTIONS="${MODULE_ACTIONS} prepare_setPackages"
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                shift 1
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                ;;
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            --repository )
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                MODULE_ACTIONS="${MODULE_ACTIONS} prepare_setRepository"
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                shift 1
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                ;;
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            -- )
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                # Remove the `--' argument from the list of arguments
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                # in order for processing non-option arguments
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                # correctly. At this point all option arguments have
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                # been processed already but the `--' argument still
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                # remains to mark ending of option arguments and
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                # beginning of non-option arguments. The `--' argument
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                # needs to be removed here in order to avoid
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                # centos-art.sh script to process it as a path inside
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                # the repository, which obviously is not.
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                shift 1
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                break
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                ;;
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        esac
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    done
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}