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package Modules::Root;
# $Id: Root.pm,v 1.5 2003/11/20 05:12:33 dannf Exp $
# Copyright (c) 2001-2002 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
# Sean Dague <sean@dague.net>
=head1 NAME
Modules::Root - determine what modules are needed for root filesystem
=head1 SYNOPSIS
my @modules = get_root_fs_modules('/etc/fstab');
=head1 DESCRIPTION
=cut
use strict;
use Carp;
use base qw(Exporter);
use vars qw($VERSION @EXPORT);
$VERSION = sprintf("%d.%02d", q$Revision: 1.5 $ =~ /(\d+)\.(\d+)/);
@EXPORT = qw(get_root_fs_modules);
my %FS_MODULES = (
ext3 => ['ext3','jbd'],
reiserfs => ['reiserfs'],
xfs => ['xfs'],
);
# find the modules needed for a root filesystem
sub get_root_fs_modules {
my ($file) = @_;
my @modules = ();
open(IN,"<$file");
while(<IN>) {
my ($device, $mount, $fstype, $options, $one, $two) = split(/\s+/,$_);
if($mount eq '/') {
if($FS_MODULES{$fstype}) {
push @modules, @{$FS_MODULES{$fstype}};
}
}
}
return @modules;
}
1;
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