Blame Scripts/Functions/cli_exportFunctions.sh

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#!/bin/bash
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#
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# cli_exportFunctions.sh -- This function exports funtionalities to
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# `centos-art.sh' script execution evironment.
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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_exportFunctions {
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    # Define source location where function files are placed in.
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    local LOCATION=$1
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    # Define suffix used to retrive function files.
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    local SUFFIX=$2
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    # Verify suffix value used to retrive function files. Assuming no
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    # suffix value is passed as second argument to this function, use
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    # the function name value (CLI_FUNCNAME) as default value.
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    if [[ $SUFFIX == '' ]];then
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        SUFFIX=$CLI_FUNCNAME
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    fi
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    # Define pattern used to retrive function names from function
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    # files.
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    local PATTERN="^function[[:space:]]+${SUFFIX}[[:alnum:]_]*[[:space:]]+{$"
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    # Define list of files.
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    local FUNCFILE=''
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    local FUNCFILES=$(cli_getFilesList ${LOCATION} --pattern="${SUFFIX}.*\.sh" --maxdepth="1")
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    # Verify list of files. If no function file exists for the
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    # location specified stop the script execution. Otherwise the
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    # script will surely try to execute a function that haven't been
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    # exported yet and report an error about it.
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    if [[ $FUNCFILES == '' ]];then
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        cli_printMessage "`gettext "No function file was found for this action."`" --as-error-line
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    fi
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    # Process list of files.
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    for FUNCFILE in $FUNCFILES;do
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        # Verify file execution rights.
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        cli_checkFiles $FUNCFILE --execution
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        # Initialize file.
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        . $FUNCFILE
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        # Export function names inside the file to current shell
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        # script environment.
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        export -f $(egrep "${PATTERN}" ${FUNCFILE} | gawk '{ print $2 }')
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    done
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}