Blame Automation/Modules/Render/render_getOptions.sh

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#!/bin/bash
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#
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# render_getOptions.sh -- This function interprets option parameters
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# passed to `render' functionality and calls actions accordingly.
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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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# ${Id}$
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# ----------------------------------------------------------------------
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function render_getOptions {
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    # Define short options we want to support.
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    local ARGSS="h,v,f:"
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    # Define long options we want to support.
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    local ARGSL="help,version,filter:"
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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 "${1}" in
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            -h | --help )
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                tcar_printHelp
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                ;;
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            -v | --version )
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                tcar_printVersion
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                ;;
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            -f | --filter )
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                TCAR_FLAG_FILTER="${2}"
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                shift 2
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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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    # Redefine arguments using current positional parameters. Only
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    # paths should remain as arguments, at this point.
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    TCAR_ARGUMENTS="${@}"
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}