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package SystemInstaller::PackageBest;
# $Header: /cvsroot/systeminstaller/systeminstaller/lib/SystemInstaller/PackageBest.pm,v 1.4 2002/11/07 20:54:38 mchasal Exp $
# Copyright (c) 2001 International Business Machines
# 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
# Michael Chase-Salerno <mchasal@users.sf.net>
# Sean Dague <sdague@users.sf.net>
use strict;
use Carp;
use vars qw($VERSION @ISA @EXPORT);
use POSIX;
$VERSION = sprintf("%d.%02d", q$Revision: 1.4 $ =~ /(\d+)\.(\d+)/);
my @PBMODS=qw(Rpm);
use base qw(Exporter);
@EXPORT = qw(find_files cache_gen);
use SystemInstaller::PackageBest::Rpm;
sub cache_gen {
# Generate/update the cache lists
# Input: dir name, force flag
# Output: boolean success/failure
my %args = (
FORCE => "0",
CACHEFILE => ".pkgcache",
PKGDIR => "",
@_,
);
foreach my $mod (@PBMODS){
my $class="SystemInstaller::PackageBest::$mod";
if ($class->footprint(%args->{PKGDIR})) {
return $class->cache_gen(%args->{PKGDIR},%args->{FORCE});
}
}
return 1;
} #cache_gen
sub find_files {
# Finds the best version of files to use based on an rpm list
# Input: a parameter list containing the following:
# PKGDIR The location of the packages
# PKGLIST A reference to a list of desired packages
# and optionally:
# ARCH The target archtecture, default: current arch
# RPMRC The rpmrc filename, default: /usr/lib/rpm/rpmrc
# CACHEFILE The name for the cachefile, default: .pkgcache
#
# Output: A hash whose keys are the package name and whose
# values are the filenames.
my %args = (
ARCH => (uname)[4],
RPMRC => "/usr/lib/rpm/rpmrc",
RPMCMD => "/bin/rpm",
CACHEFILE => ".pkgcache",
FORCE => 0,
CACHEONLY => 0,
PKGDIR => "",
PKGLIST => [],
@_,
);
# Find a class that footprints
my $class;
foreach my $mod (@PBMODS){
my $tclass="SystemInstaller::PackageBest::$mod";
if ($tclass->footprint(%args->{PKGDIR})) {
$class=$tclass;
last;
}
}
unless ($class) {
carp("Couldn't find a matching footprint in ". %args->{PKGDIR} . "!");
return;
}
# Now do the work
my $rc=$class->cache_gen(%args);
unless ($rc) {
return;
}
if (%args->{CACHEONLY}) {
return $rc;
}
return $class->find_files(%args);
}
1;
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