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# Copyright (C) 2005 Mandriva
#                    Olivier Blin <oblin@mandriva.com>
# Copyright (C) 2017 Mageia
#                    Martin Whitaker <mageia@martin-whitaker.me.uk>
#
# 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA.

# SYNOPSIS
# --------
# This package defines the LiveBuild subclass that is used to hold all the
# settings and configuration values needed to build a Live ISO. It provides
# a number of helper functions over and above those provided by the ISOBuild
# superclass.

package MGA::DrakISO::LiveBuild;

use strict;

use MDK::Common;

use MGA::DrakISO::ISOBuild;

our @ISA = qw(MGA::DrakISO::ISOBuild);

sub new {
    my ($class) = @_;
    bless {}, $class;
}

sub default_name_fields {
    my ($build) = @_;
    [ qw(distro version product desktop),
      if_($build->{settings}{region} ne 'all', $build->{settings}{region}),
      qw(arch media)
    ];
}

sub get_langs {
    my ($build) = @_;
    uniq(
        (ref $build->{regions} ? @{$build->{regions}{$build->{settings}{region}}} : ()),
        @{$build->{system}{langs_always}}
    );
}

sub get_live_root {
    my ($build) = @_;
    $build->get_build_dir('root');
}

sub find_kernel {
    my ($build) = @_;
    require bootloader;
    local $::prefix = $build->get_live_root;
    my @kernels = bootloader::get_kernels_and_labels();
    my $kernel;
    if ($build->{system}{kernel}) {
        $kernel = find { $_->{version} eq $build->{system}{kernel} } @kernels;
        $kernel or die "ERROR: kernel $build->{system}{kernel} can not be found\n";
    }
    $kernel ||= first(@kernels) or die "ERROR: no kernel can be found\n";
}

sub get_initrd_name {
    my ($build) = @_;
    'initrd-' . $build->find_kernel->{version} . '.img';
}

1;