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package fs::format; # $Id$
use diagnostics;
use strict;
use run_program;
use common;
use fs::type;
use fs::loopback;
use log;
my %cmds = (
ext2 => [ 'e2fsprogs', 'mke2fs', '-F' ],
ext3 => [ 'e2fsprogs', 'mke2fs', '-F', '-j' ],
reiserfs => [ 'reiserfsprogs', 'mkreiserfs', '-ff' ],
xfs => [ 'xfsprogs', 'mkfs.xfs', '-f', '-q' ],
jfs => [ 'jfsprogs', 'mkfs.jfs', '-f' ],
hfs => [ 'hfsutils', 'hformat' ],
dos => [ 'dosfstools', 'mkdosfs' ],
vfat => [ 'dosfstools', 'mkdosfs', '-F', '32' ],
swap => [ 'util-linux', 'mkswap' ],
);
my %LABELs = ( #- option, length, handled_by_mount
ext2 => [ '-L', 16, 1 ],
ext3 => [ '-L', 16, 1 ],
reiserfs => [ '-l', 16, 1 ],
xfs => [ '-L', 12, 1 ],
jfs => [ '-L', 16, 1 ],
hfs => [ '-l', 27, 0 ],
dos => [ '-n', 11, 0 ],
vfat => [ '-n', 11, 0 ],
swap => [ '-L', 15, 1 ],
);
sub package_needed_for_partition_type {
my ($part) = @_;
my $l = $cmds{$part->{fs_type}} or return;
$l->[0];
}
sub known_type {
my ($part) = @_;
to_bool($cmds{$part->{fs_type}});
}
sub check_package_is_installed {
my ($do_pkgs, $fs_type) = @_;
my ($pkg, $binary) = @{$cmds{$fs_type} || return};
$do_pkgs->ensure_binary_is_installed($pkg, $binary);
}
sub part {
my ($raids, $part, $prefix, $wait_message) = @_;
if (isRAID($part)) {
$wait_message->(N("Formatting partition %s", $part->{device})) if $wait_message;
require raid;
raid::format_part($raids, $part);
} elsif (isLoopback($part)) {
$wait_message->(N("Creating and formatting file %s", $part->{loopback_file})) if $wait_message;
fs::loopback::format_part($part, $prefix);
} else {
$wait_message->(N("Formatting partition %s", $part->{device})) if $wait_message;
part_raw($part, $wait_message);
}
}
sub part_raw {
my ($part, $wait_message) = @_;
$part->{isFormatted} and return;
if ($part->{encrypt_key}) {
require fs;
fs::set_loop($part);
}
my $dev = $part->{real_device} || $part->{device};
my @options = if_($part->{toFormatCheck}, "-c");
log::l("formatting device $dev (type $part->{fs_type})");
my $fs_type = $part->{fs_type};
if ($fs_type eq 'ext2' || $fs_type eq 'ext3') {
push @options, "-m", "0" if $part->{mntpoint} =~ m|^/home|;
} elsif (isDos($part)) {
$fs_type = 'dos';
} elsif ($fs_type eq 'hfs') {
push @options, '-l', "Untitled";
} elsif (isAppleBootstrap($part)) {
push @options, '-l', 'bootstrap';
}
if ($part->{device_LABEL}) {
if ($LABELs{$fs_type}) {
my ($option, $length, $handled_by_mount) = @{$LABELs{$fs_type}};
if (length $part->{device_LABEL} > $length) {
my $short = substr($part->{device_LABEL}, 0, $length);
log::l("shortening LABEL $part->{device_LABEL} to $short");
$part->{device_LABEL} = $short;
}
delete $part->{prefer_device_LABEL} if !$handled_by_mount;
push @options, $option, $part->{device_LABEL};
} else {
log::l("dropping LABEL=$part->{device_LABEL} since we don't know how to set labels for fs_type $part->{fs_type}");
delete $part->{device_LABEL};
delete $part->{prefer_device_LABEL};
}
}
my ($_pkg, $cmd, @first_options) = @{$cmds{$fs_type} || die N("I do not know how to format %s in type %s", $part->{device}, $part->{fs_type})};
my @args = ($cmd, @first_options, @options, devices::make($dev));
if ($cmd eq 'mke2fs' && $wait_message) {
mke2fs($wait_message, @args) or die N("%s formatting of %s failed", $fs_type, $dev);
} else {
run_program::raw({ timeout => 60 * 60 }, @args) or die N("%s formatting of %s failed", $fs_type, $dev);
}
if ($fs_type eq 'ext3') {
disable_forced_fsck($dev);
}
set_isFormatted($part, 1);
}
sub mke2fs {
my ($wait_message, @args) = @_;
open(my $F, "@args |");
local $/ = "\b";
local $_;
while (<$F>) {
#- even if it still takes some time when format is over, we don't want the progress bar to stay at 85%
$wait_message->('', $1, $2) if m!^\s*(\d+)/(\d+)\b!;
}
return close($F);
}
sub disable_forced_fsck {
my ($dev) = @_;
run_program::run("tune2fs", "-c0", "-i0", devices::make($dev));
}
sub wait_message {
my ($in) = @_;
my ($w, $progress, $last_msg, $displayed);
my $on_expose = sub { $displayed = 1; 0 }; #- declared here to workaround perl limitation
$w, sub {
my ($msg, $current, $total) = @_;
if ($msg) {
$last_msg = $msg;
if (!$w) {
$progress = Gtk2::ProgressBar->new if $in->isa('interactive::gtk');
$w = $in->wait_message('', [ '', if_($progress, $progress) ]);
if ($progress) {
#- don't show by default, only if we are given progress information
$progress->hide;
$progress->signal_connect(expose_event => $on_expose);
}
}
$w->set($msg);
} elsif ($total) {
if ($progress) {
$progress->set_fraction($current / $total);
$progress->show;
$displayed = 0;
mygtk2::flush() while !$displayed;
} else {
$w->set([ $last_msg, "$current / $total" ]);
}
}
};
}
1;
|
