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package MDV::Draklive::Config;
use MDK::Common;
use Pod::Usage;
use Cwd 'getcwd';
#- we bless Media objects here
use MDV::Draklive::Media;
#- these modules can be used from config files
use MDV::Draklive::Mounts;
use MDV::Draklive::CustomMedia;
our $default_config_root = '/etc/draklive';
our $default_config_path = 'config/live.cfg';
our $default_settings_path = 'config/settings.cfg';
sub read_config {
my ($live, $config_root, $config_path, $settings_path) = @_;
if ($config_path && -e getcwd() . '/' . $config_path) {
$config_root = getcwd();
}
print "using $config_root as directory root\n";
add2hash($live->{settings} ||= {}, { getVarsFromSh($config_root . '/' . $settings_path) }) if $settings_path;
if ($config_path) {
#- don't use do(), since it can't see lexicals in the enclosing scope
my $cfg = eval(cat_($config_root . '/' . $config_path)) or die "unable to load $config_path: $@\n";
put_in_hash($live, $cfg);
print "loaded $config_path as config file\n";
}
$live->{settings}{config_root} = $config_root;
}
sub check_config {
my ($live) = @_;
unless (keys(%$live)) {
warn "no live definition\n";
Pod::Usage::pod2usage();
}
#- check for minimum requirements
ref $live->{media} && $live->{media}{storage} or die "no media storage definition\n";
ref $live->{system} or die "no system definition\n";
}
sub complete_config {
my ($live) = @_;
my $default_prefix = {
build => {
boot => '/boot',
files => '/files',
dist => '/dist',
initrd => '/initrd',
loopbacks => '/loopbacks',
modules => '/modules',
scripts => '/scripts',
},
media => {
boot => '/boot',
hidden_boot => '/.boot',
loopbacks => '/loopbacks',
hidden_loopbacks => '/.loopbacks',
mnt => '/media',
},
live => {
mnt => '/live',
},
};
#- set unsupplied config dirs
add2hash($live->{prefix}{$_} ||= {}, $default_prefix->{$_}) foreach keys %$default_prefix;
$live->{settings}{builddir} ||= '/var/lib/draklive/build';
$live->{settings}{chroot} ||= '/var/lib/draklive/chroot';
$live->{settings}{arch} ||= chomp_(`rpm --eval '%{_target_cpu}'`);
$live->{media}{title} ||= "live";
foreach ($live->{media}, if_($live->{replicator}{media}, $live->{replicator}{media}), if_($live->{oem_rescue}{media}, $live->{oem_rescue}{media})) {
bless $_, 'MDV::Draklive::Media';
$_->{partitions} ||= [ { mntpoint => '/' } ];
}
mkdir_p($live->get_builddir);
mkdir_p($live->get_system_root);
$live->{mnt} ||= $live->get_builddir . "/mnt";
}
sub dump_config {
my ($live) = @_;
use Data::Dumper;
print Data::Dumper->Dump([ $live ], [ "live" ]);
}
1;
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