#!/bin/bash
#
# prepare_doPackages.sh -- This function verifies the required
# packages your workstation needs to have installed in order for
# centos-art command to run correctly. If there is one or more missing
# packages, the `centos-art.sh' script asks you to confirm their
# installation through yum.
#
# Copyright (C) 2009-2011 Alain Reguera Delgado
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# ----------------------------------------------------------------------
# $Id$
# ----------------------------------------------------------------------
function prepare_doPackages {
# Verify `--packages' option.
if [[ $FLAG_PACKAGES == 'false' ]];then
return
fi
local PACKAGE=''
local WARNING=''
local PACKAGES=''
local PACKAGES_THIRDS=''
local -a PACKAGES_MISSING
local -a PACKAGES_INSTALL
local RPM='/bin/rpm'
local YUM='/usr/bin/yum'
# Check execution rights of package managers.
cli_checkFiles $RPM 'x'
cli_checkFiles $YUM 'x'
# Define required packages needed by centos-art.sh script.
PACKAGES="inkscape ImageMagick netpbm netpbm-progs syslinux gimp
coreutils texinfo info tetex-latex tetex-fonts tetex-xdvi
tetex-dvips gettext texi2html gnome-doc-utils elinks
docbook-style-xsl docbook-utils docbook-dtds
docbook-style-dsssl docbook-simple docbook-utils-pdf
docbook-slides firefox sudo yum rpm"
# Define packages from third party repositories (i.e., packages
# not included in CentOS [base] repository.) required by
# centos-art to work as expected.
PACKAGES_THIRDS="(inkscape|blender)"
# Build list of installed and missing packages.
for PACKAGE in $PACKAGES;do
$RPM -q --queryformat "%{NAME}\n" $PACKAGE --quiet
if [[ $? -ne 0 ]];then
PACKAGES_MISSING[((++${#PACKAGES_MISSING[*]}))]=$PACKAGE
else
PACKAGES_INSTALL[((++${#PACKAGES_INSTALL[*]}))]=$PACKAGE
fi
done
# Use `sudo yum' to install missing packages in your workstation.
if [[ ${#PACKAGES_MISSING[*]} -gt 0 ]];then
sudo ${YUM} install ${PACKAGES_MISSING[*]}
fi
# Use `sudo yum' to update installed packages in your workstation.
if [[ ${#PACKAGES_INSTALL[*]} -gt 0 ]];then
sudo ${YUM} update ${PACKAGES_INSTALL[*]}
fi
}