Blame Scripts/centos-art.sh/Functions/Verify/verify_doPackageCheck.sh

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#!/bin/bash
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#
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# verify_doPackageCheck.sh -- This function receives a list of
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# packages and verifies if they are currently installed in your
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# system. Third party package verification is also done here.
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#
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# Copyright (C) 2009-2011 Alain Reguera Delgado
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# 
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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# 
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function verify_doPackageCheck {
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    local PACKAGE=''
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    # Check package manager command existance.
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    cli_checkFiles '/bin/rpm' 'x'
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    for PACKAGE in $PACKAGES;do
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        # Query your system's RPM database.
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        rpm -q --queryformat "%{NAME}\n" $PACKAGE --quiet
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        # Define missing packages.
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        if [[ $? -ne 0 ]];then
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            PACKAGES_MISSING[$PACKAGES_COUNT]=$PACKAGE
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        fi
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        # Increase package counter.
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        PACKAGES_COUNT=$(($PACKAGES_COUNT + 1))
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    done
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    # In there is no missing package, end script execution with a
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    # descriptive output.
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    if [[ ${#PACKAGES_MISSING[*]} -eq 0 ]];then
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        cli_printMessage "`gettext "The required packages are already installed."`"
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        cli_printMessage "$(caller)" 'AsToKnowMoreLine'
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    fi
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}