Blame Automation/centos-art.sh-mods/Prepare/prepare_updatePackages.sh

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#!/bin/bash
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#
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# prepare_updatePackages.sh -- This function verifies the required
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# packages your workstation needs to have installed in order for
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# `centos-art.sh' script to run correctly. If there is one or more
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# missing packages, the `centos-art.sh' script asks you to confirm
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# their installation through `sudo yum'.
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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 prepare_updatePackages {
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    local PACKAGE=''
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    local PACKAGES=''
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    local PACKAGES_THIRDS=''
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    local -a PACKAGES_MISSING
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    local -a PACKAGES_INSTALL
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    local RPM='/bin/rpm'
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    local YUM='/usr/bin/yum'
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    local YUM_OPTIONS=''
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    # Check execution rights of package managers.
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    cli_checkFiles -x $RPM
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    cli_checkFiles -x $YUM
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    # Define required packages needed by centos-art.sh script.
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    PACKAGES="inkscape ImageMagick netpbm netpbm-progs syslinux gimp
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        coreutils texinfo texinfo-tex info tetex-latex tetex-fonts
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        tetex-xdvi tetex-dvips gettext texi2html gnome-doc-utils
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        elinks docbook-style-xsl docbook-utils docbook-dtds
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        docbook-style-dsssl docbook-simple docbook-utils-pdf
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        docbook-slides firefox sudo yum rpm ctags vim-enhanced"
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    # Define packages from third party repositories (i.e., packages
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    # not included in CentOS [base] repository.) required by
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    # centos-art to work as expected.
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    PACKAGES_THIRDS="(inkscape|blender)"
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    # Build list of installed and missing packages.
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    for PACKAGE in $PACKAGES;do
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        $RPM -q --queryformat "%{NAME}\n" $PACKAGE --quiet
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        if [[ $? -ne 0 ]];then
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            PACKAGES_MISSING[((++${#PACKAGES_MISSING[*]}))]=$PACKAGE
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        else
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            PACKAGES_INSTALL[((++${#PACKAGES_INSTALL[*]}))]=$PACKAGE
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        fi
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    done
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    # Define relation between centos-art.sh options and yum options.
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    [[ $FLAG_ANSWER == 'true' ]] && YUM_OPTIONS="${YUM_OPTIONS} -y"
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    [[ $FLAG_QUIET  == 'true' ]] && YUM_OPTIONS="${YUM_OPTIONS} -q"
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    # Use `sudo yum' to install missing packages in your workstation.
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    if [[ ${#PACKAGES_MISSING[*]} -gt 0 ]];then
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        sudo ${YUM} ${YUM_OPTIONS} install ${PACKAGES_MISSING[*]}
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    fi
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    # Use `sudo yum' to update installed packages in your workstation.
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    if [[ ${#PACKAGES_INSTALL[*]} -gt 0 ]];then
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        sudo ${YUM} ${YUM_OPTIONS} update ${PACKAGES_INSTALL[*]}
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    fi
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}