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#!/bin/bash
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#
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# prepare_doPackages.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 command to run correctly. If there is one or more missing
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# packages, the `centos-art.sh' script asks you to confirm their
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# installation through yum.
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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 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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# $Id$
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# ----------------------------------------------------------------------
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function prepare_doPackages {
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# Verify `--packages' option.
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if [[ $FLAG_PACKAGES == 'false' ]];then
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return
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fi
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local PACKAGE=''
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local WARNING=''
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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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# Check execution rights of package managers.
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cli_checkFiles $RPM 'x'
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cli_checkFiles $YUM 'x'
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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 info tetex-latex tetex-fonts tetex-xdvi
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tetex-dvips gettext texi2html gnome-doc-utils elinks
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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"
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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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# 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} 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} update ${PACKAGES_INSTALL[*]}
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fi
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}
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