Blame Scripts/Functions/cli_getRepoTLDir.sh

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#!/bin/bash
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#
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# cli_getRepoTLDir.sh -- This function returns the repository top
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# level absolute path. The repository top level absolute path can be
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# either ${HOME}/artwork/trunk, ${HOME}/artwork/branches, or
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# ${HOME}/artwork/tags.
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#
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# Copyright (C) 2009, 2010, 2011 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 cli_getRepoTLDir {
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    # Define short options.
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    local ARGSS='r'
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    # Define long options.
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    local ARGSL='relative'
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    # Initialize arguments with an empty value and set it as local
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    # variable to this function scope.
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    local ARGUMENTS=''
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    # Initialize path pattern and replacement.
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    local PATTERN=''
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    local REPLACE=''
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    # Redefine ARGUMENTS variable using current positional parameters. 
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    cli_parseArgumentsReDef "$@"
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    # Redefine ARGUMENTS variable using getopt output.
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    cli_parseArguments
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    # Redefine positional parameters using ARGUMENTS variable.
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    eval set -- "$ARGUMENTS"
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    # Define the location we want to apply verifications to.
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    local LOCATION=$(echo $@ | sed -r 's!^.*--[[:space:]](.+)$!\1!')
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    # Verify location passed as non-option argument. If no location is
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    # passed as non-option argument to this function, then set the
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    # trunk directory structure as default location.
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    if [[ $LOCATION =~ '--$' ]];then
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        LOCATION=${HOME}/artwork/trunk
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    fi
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    # Verify location where the working copy should be stored in the
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    # workstations. Whatever the location provided be, it should refer
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    # to one of the top level directories inside the working copy of
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    # CentOS Artwork Repository which, in turn, should be sotred in
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    # the `artwork' directory immediatly under your home directory.
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    if [[ ! $LOCATION =~ "^${HOME}/artwork/(trunk|branches|tags)" ]];then
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        cli_printMessage "`eval_gettext "The location \\\"\\\$LOCATION\\\" is not valid."`" --as-error-line
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    fi
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    # Look for options passed through positional parameters.
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    while true;do
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        case "$1" in
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            -r|--relative )
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                PATTERN="^${HOME}/artwork/(trunk|branches|tags)/.+$"
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                REPLACE='\1'
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                shift 2
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                break
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                ;;
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            -- )
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                PATTERN="^(${HOME}/artwork/(trunk|branches|tags))/.+$"
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                REPLACE='\1'
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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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    # Print out top level directory.
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    echo $LOCATION | sed -r "s!${PATTERN}!${REPLACE}!g"
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}