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#!/usr/bin/perl
use lib qw(/usr/lib/libDrakX ../perl-install);
use standalone;
use fsedit;
use fs::format;
use fs::type;
use resize_fat::main;
use diskdrake::resize_ntfs;
use common;
use partition_table::empty;
use Carp::Heavy;
#- help getting the file in make_rescue_img
BEGIN { partition_table::raw::default_type() }
my ($action, $dir, $server) = @ARGV;
sub usage() { die "partimage_whole_disk <save_all | rest_all> <dir> [<server>]\n" }
@ARGV == 2 || @ARGV == 3 or usage();
$ENV{PATH} = "/sbin:/usr/sbin:$ENV{PATH}";
log::openLog("/var/log/partimage_whole_disk.log");
my @partimage_cmd = ('partimage', if_($server, '-s', $server));
my $all_hds = fsedit::get_hds({});
if ($action eq 'save_all') {
save_all();
} elsif ($action eq 'rest_all') {
rest_all();
} else {
usage();
}
sub save_all() {
my $hd = $all_hds->{hds}[0] or die "no main hard drive\n";
log::l("save_all on $hd->{device}");
my $part_list = [ partition_table::get_normal_parts($hd) ];
foreach (@$part_list) {
$_->{saved} = !member($_->{fs_type}, 'ntfs', 'vfat', 'swap');
if ($_->{saved}) {
run_program::run_or_die(@partimage_cmd,
'-V', 0, '--nombr', '--nodesc', '--nocheck', '-b', '-o',
'save', devices::make($_->{device}), "$dir/$_->{device}");
}
}
save_part_list($part_list);
}
sub rest_all() {
my $part_list = read_part_list();
fs::type::set_fs_type($_, $_->{fs_type}) foreach @$part_list;
my @used_hds;
foreach my $part (@$part_list) {
if (my $hd = find { $part->{device} =~ /^\Q$_->{device}\E./ } fs::get::hds($all_hds)) {
push @used_hds, $hd;
put_in_hash($part, partition_table::hd2minimal_part($hd));
}
}
my ($from_partimage, $other) = partition { $_->{saved} } @$part_list;
my ($from_resize, $created) = partition { member($_->{fs_type}, 'vfat', 'ntfs') } @$other;
foreach (@$from_resize) {
#- resize first
my $part = fs::get::device2part($_->{device}, [ fs::get::fstab($all_hds) ]) or log::l("partition to resize is missing ($_->{device})"), next;
$_->{fs_type} eq $_->{fs_type} or log::l("partition $_->{device} doesn't have the right filesystem ($part->{fs_type} != $_->{fs_type})"), next;
$_->{start} = $part->{start};
if ($_->{size} < $part->{size}) {
log::l("resizing $_->{device} to $_->{size} (it is $part->{size})");
my $resize_pkg = $_->{fs_type} eq 'vfat' ? 'resize_fat::main' : 'diskdrake::resize_ntfs';
my $resize = $resize_pkg->new($_->{device}, devices::make($_->{device}));
$resize->resize($_->{size});
} else {
log::l("no need to resize $_->{device} since $_->{size} >= $part->{size}");
}
}
foreach my $hd (uniq(@used_hds)) {
# put_in_hash($hd->{geom}, { heads => 240, sectors => 63 });
#- write the partition table
partition_table::raw::zero_MBR($hd);
foreach my $part (grep { $_->{rootDevice} eq $hd->{device} } @$part_list) {
my $hole = find { isEmpty($_) && $_->{size} >= $part->{size} } partition_table::get_normal_parts_and_holes($hd) or die "not enough room";
$part->{start} = $hole->{start};
log::l("handling $part->{device}");
my $extended = $part->{device} =~ /(\d+)$/ && $1 > 4 && $hd->hasExtended;
my %wanted_part = %$part;
if ($extended || $part->{start} == 1) {
$part->{size} += $hd->{geom}{sectors};
}
partition_table::add($hd, $part, $extended && 'Extended');
foreach ('device', 'size') {
$part->{$_} eq $wanted_part{$_} or log::l("bad $_ for $part->{device}: $part->{$_} != $wanted_part{$_}");
}
}
partition_table::write($hd);
}
#- restore from partimage
foreach (@$from_partimage) {
run_program::run_or_die(@partimage_cmd, 'restore', '-b', devices::make($_->{device}), "$dir/$_->{device}");
}
foreach (@$created) {
fs::format::part_raw($_, undef);
}
run_program::run('install_bootloader');
}
sub lst_fields() { qw(device size fs_type saved) }
sub save_part_list {
my ($part_list) = @_;
my @l = map { join(' ', @$_{lst_fields()}) } @$part_list;
log::l("save_part_list: $_") foreach @l;
my $partimage = join(' ', @partimage_cmd);
open(my $F, "| $partimage -z0 -Bfoo=bar -o save_file $dir/.lst");
print $F "$_\n" foreach @l;
}
sub read_part_list() {
my $partimage = join(' ', @partimage_cmd);
open(my $F, "$partimage -z0 -Bfoo=bar rest_file $dir/.lst |");
my @l = chomp_(cat__($F));
log::l("read_part_list: $_") foreach @l;
[ map { my %l; @l{lst_fields()} = split; \%l } @l ];
}
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