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package MDV::Draklive::Media;
use MDK::Common;
use MDV::Draklive::Storage;
use POSIX;
use common;
sub new {
my ($media) = @_;
bless $media, 'MDV::Draklive::Media';
$media->{partitions} ||= [ { mntpoint => '/' } ];
for $mntpoint (qw(/ OEM_RESCUE)) {
my $part = find { $_->{mntpoint} eq $mntpoint } @{$media->{partitions}};
$part->{fs_type} ||= $media->get_media_setting('fs');
}
$media;
}
sub get_initrd_path {
my ($media) = @_;
'/' . $media->{storage} . '/initrd.gz';
}
#- mainly for storage-specific subroutines
sub get_storage_setting {
my ($media, $setting) = @_;
$MDV::Draklive::Storage::storage_types{$media->{storage}}{$setting};
}
#- for actions that support an optional boot storage type
sub get_boot_setting {
my ($media, $setting, $opts) = @_;
$opts->{boot} ? $MDV::Draklive::Storage::storage_types{$opts->{boot}}{$setting} : get_media_setting($media, $setting);
}
#- for user-customisable media setting, that can override storage setting
sub get_media_setting {
my ($media, $setting) = @_;
$media->{$setting} || $media->get_storage_setting($setting);
}
sub get_media_fs_module {
my ($media) = @_;
my $fs = $media->get_media_setting('fs');
$fs eq 'iso9660' ? 'isofs' : $fs eq 'ext2' ? @{[]} : $fs;
}
sub get_media_label {
my ($media) = @_;
first($media->get_media_setting('source') =~ /^LABEL=(.*)$/);
}
sub get_media_source_for_nash {
my ($media) = @_;
my $label = $media->get_media_label;
#- strip vfat labels to 11 chars and upper-case it
$label && $media->get_media_setting('fs') eq 'vfat' ?
'LABEL=' . uc(substr($label, 0, 11)) :
$media->get_media_setting('source');
}
sub find_partition_index {
my ($media, $mntpoint) = @_;
eval { find_index { $_->{mntpoint} eq $mntpoint } @{$media->{partitions}} };
}
sub find_boot_partition_index {
my ($media) = @_;
$media->find_partition_index('/boot') || $media->find_partition_index('/');
}
sub supplement_slash_size {
my ($media, $total_size) = @_;
my $correction = 1.2;
my $slash = find { $_->{mntpoint} eq '/' } @{$media->{partitions}};
$slash->{size} ||= POSIX::ceil($total_size * $correction / $common::SECTORSIZE);
}
1;
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