#!/bin/bash

#

# verify_getPackages.sh -- This function queries your system's

# rpm database to verify centos-art.sh required packages existence.

# If there is any missing package, leave a message and quit script

# execution.

#

# Copyright (C) 2009-2010 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function verify_getPackages {

    # Define variables as local to avoid conflicts outside.

    local PACKAGE=''

    local PACKAGES=''

    local PACKAGE_INFO=''

    # Define required packages needed by centos-art.sh script.

    PACKAGES="bash inkscape ImageMagick netpbm netpbm-progs

        syslinux gimp coreutils texinfo info tetex-latex tetex-fonts

        tetex-doc tetex-xdvi tetex-dvips gettext texi2html"

    # Define, from required packages, packages being from third

    # parties (i.e., packages not included in rhel, nor centos [base]

    # repository.).

    PACKAGES_FROM_THIRDS="(inkscape|blender)"

    # Output table of packages needed by centos-art.sh script.

    for PACKAGE in $PACKAGES;do

        PACKAGE_INFO=$(rpm -q --queryformat "%{SUMMARY}" $PACKAGE \

            | tr "\n" ' ' | sed -r 's!^([[:alpha:]])!\u\1!' )

        cli_printMessage "$PACKAGE | $PACKAGE_INFO"

    done \

        | egrep -i $REGEX \

        | awk 'BEGIN {FS="|"; format ="%15s|%s\n"

                      printf "--------------------------------------------------------------------------------\n"

                      printf format, "'`gettext "Package"`' ", " '`gettext "Description"`'"

                      printf "--------------------------------------------------------------------------------\n"}

                     {printf format, substr($1,0,15), $2}

                 END {printf "--------------------------------------------------------------------------------\n"}'

    cli_printMessage "$(caller)" "AsToKnowMoreLine"

}