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#! /usr/bin/perl
#
# slxos-setup -
#
# (c) 2006 - OpenSLX.com
#
# Oliver Tappe <ot@openslx.com>
#
use strict;

my $abstract = q[
slxos-setup
    This script installs an operating system into a folder that can be used as
    a stage1 system for OpenSLX.
];

use Getopt::Long qw(:config pass_through);
use Pod::Usage;

# add the folder this script lives in and the lib-folder to perl's
# search path for modules:
use FindBin;
use lib "$FindBin::RealBin";
use lib "$FindBin::RealBin/../lib";

use OpenSLX::Basics;
use OpenSLX::OSSetup::Engine;

if ($> != 0) {
	die _tr("Sorry, this script can only be executed by the superuser!\n");
}

my (
	$helpReq,
	$manReq,
	$listReq,
	$setupRepos,
	$verbose,
	$versionReq,
);

GetOptions(
	'help|?' => \$helpReq,
	'list' => \$listReq,
	'man' => \$manReq,
	'setup-repos' => \$setupRepos,
	'verbose' => \$verbose,
	'version' => \$versionReq,
) or pod2usage(2);
pod2usage(-msg => $abstract, -verbose => 0, -exitval => 1) if $helpReq;
pod2usage(-verbose => 2) if $manReq;
if ($versionReq) {
	system('slxversion');
	exit 1;
}

my @supportedDistros = (
	'debian-3.1',
	'debian-4.0',
	'fedora-6',
	'fedora-6-x86_64',
	'mandriva-2007.0',
	'suse-9.3',
	'suse-10.0',
	'suse-10.0-x86_64',
	'suse-10.1',
	'suse-10.1-x86_64',
	'suse-10.2',
	'suse-10.2-x86_64',
	'ubuntu-6.10',
);

openslxInit();

if ($listReq) {
	print _tr("List of supported distros:\n\t");
	print join("\n\t", @supportedDistros)."\n";
	exit 1;
}

if (scalar(@ARGV) != 1) {
	print STDERR _tr("You need to specify exactly one distro name!\n");
	pod2usage(2);
}

my $distroName = $ARGV[0];
if (!grep { /^$distroName$/ } @supportedDistros) {
	print _tr("Sorry, distro '%s' is unsupported.\n", $distroName);
	print _tr("List of supported distros:\n\t");
	print join("\n\t", @supportedDistros)."\n";
	exit 1;
}

# we chdir into the script's folder such that all relative paths have
# a known starting point:
chdir($FindBin::RealBin)
	or die _tr("can't chdir to script-path <%> (%s)", $FindBin::RealBin, $!);

# create ossetup-engine and start it:
my $engine = OpenSLX::OSSetup::Engine->new;
if ($setupRepos) {
	$engine->initialize($distroName, 0);
	$engine->setupRepositories();
} else {
	$engine->initialize($distroName, 1);
	$engine->setupStage1();
}

__END__

=head1 NAME

slxos-setup - OpenSLX-script to install an operating system into a folder which
will be used as a stage1 system for OpenSLX.

=head1 SYNOPSIS

slxos-setup [options] <distro-name>

  Options:
      --help                   brief help message
      --man                    show full documentation
      --version                show version

=head1 OPTIONS

=over 8

=item B<--help>

Prints a brief help message and exits.

=item B<--man>

Prints the manual page and exits.

=item B<--version>

Prints the version and exits.

=back

=cut