Blame Scripts/Bash/Functions/Commons/cli_checkFiles.sh

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#!/bin/bash
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#
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# cli_checkFiles.sh -- This function standardizes the way file
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# conditional expressions are applied inside centos-art.sh script.
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# Here is where we answer questions like: is the file a regular file
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# or a directory?  Or, is it a symbolic link? Or even, does it have
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# execution rights, etc.  If the verification fails somehow at any
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# point, an error message is output and centos-art.sh script finishes
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# its execution. 
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#
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# Copyright (C) 2009, 2010, 2011, 2012 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_checkFiles {
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    # Define short options.
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    local ARGSS='i:,r,m:,d,e,f,h,x'
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    # Define long options.
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    local ARGSL='mime:,is-versioned,match:'
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    # Initialize array variables.
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    local -a CONDITION_COMMAND
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    local -a CONDITION_PATTERN
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    local -a CONDITION_MESSAGE
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    # Initialize array variable counter.
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    local COUNTER=0
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    # Initialize arguments with an empty value and set it as local
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    # variable to this function scope. Doing this is very important to
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    # avoid any clash with higher execution environments.
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    local ARGUMENTS=''
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    # Prepare ARGUMENTS for getopt.
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    cli_parseArgumentsReDef "$@"
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    # Redefine ARGUMENTS using getopt(1) command parser.
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    cli_parseArguments
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    # Redefine positional parameters using ARGUMENTS variable.
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    eval set -- "$ARGUMENTS"
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    # Look for options passed through positional parameters.
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    while true; do
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        case "$1" in
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            -d )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='test'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='-d'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`gettext "isn't a directory."`"
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                shift 1
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                ;;
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            -e )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='test'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='-e'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`gettext "doesn't exist."`"
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                ;;
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            -f )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='test'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='-f'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`gettext "isn't a regular file."`"
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                shift 1
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                ;;
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            -h )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='test'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='-h'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`gettext "isn't a symbolic link."`"
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                shift 1
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                ;;
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            -x )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='test'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='-x'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`gettext "isn't an executable file."`"
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                shift 1
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                ;;
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            -i | --mime )
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                local MIME=$2
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='file'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='-bi'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`eval_gettext "isn't a \\\"\\\$MIME\\\" file."`"
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                shift 2
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                ;;
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            -m | --match )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]='match'
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]="$2"
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`eval_gettext "doesn't match its pattern."`"
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                shift 2
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                ;;
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            -r | --is-versioned )
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                CONDITION_COMMAND[((++${#CONDITION_COMMAND[*]}))]="Svn"
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                CONDITION_PATTERN[((++${#CONDITION_PATTERN[*]}))]='svn_isVersioned'
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                CONDITION_MESSAGE[((++${#CONDITION_MESSAGE[*]}))]="`gettext "isn't under version control."`"
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                shift 1
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                ;;
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            -- )
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                shift 1
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                break
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                ;;
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        esac
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    done
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    # Define list of files we want to apply verifications to, now that
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    # all option-like arguments have been removed from positional
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    # parameters list so we are free to go with the verifications.
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    local FILE=''
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    local FILES=$@
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    for FILE in $FILES;do
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        while [[ ${COUNTER} -lt ${#CONDITION_PATTERN[*]} ]];do
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            case ${CONDITION_COMMAND[$COUNTER]} in
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                "Svn" )
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                cli_exportFunctions "${CONDITION_COMMAND[${COUNTER}]}/${CONDITION_PATTERN[$COUNTER]}"
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                if [[ $(${CONDITION_PATTERN[$COUNTER]} ${FILE}) -ne 0 ]];then \
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                    cli_printMessage "${FILE} ${CONDITION_MESSAGE[$COUNTER]}" --as-error-line
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                fi
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                cli_unsetFunctions "${CONDITION_COMMAND[${COUNTER}]}/${CONDITION_PATTERN[$COUNTER]}"
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                ;;
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                "test" )
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                ${CONDITION_COMMAND[$COUNTER]} ${CONDITION_PATTERN[$COUNTER]} ${FILE} \
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                    || cli_printMessage "${FILE} ${CONDITION_MESSAGE[$COUNTER]}" --as-error-line
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                ;;
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                "file" )
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                if [[ ! $(${CONDITION_COMMAND[$COUNTER]} ${CONDITION_PATTERN[$COUNTER]} ${FILE}) == "$MIME" ]];then
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                    cli_printMessage "${FILE} ${CONDITION_MESSAGE[$COUNTER]}" --as-error-line
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                fi
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                ;;
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                "match" )
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                if [[ ! ${FILE} =~ "${CONDITION_PATTERN[$COUNTER]}" ]];then
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                    cli_printMessage "${FILE} ${CONDITION_MESSAGE[$COUNTER]}" --as-error-line
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                fi
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                ;;
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                * )
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                cli_printMessage "`gettext "The condition command provided isn't supported."`" --as-error-line
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                ;;
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            esac
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            COUNTER=$(($COUNTER + 1))
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        done
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    done
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}