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package fs::format; # $Id: format.pm 245954 2008-09-18 14:18:46Z pixel $
use diagnostics;
use strict;
use String::ShellQuote;
use run_program;
use common;
use fs::type;
use fs::loopback;
use log;
my %cmds = (
ext2 => [ 'e2fsprogs', 'mkfs.ext2', '-F' ],
ext3 => [ 'e2fsprogs', 'mkfs.ext3', '-F' ],
ext4dev => [ 'e2fsprogs', 'mkfs.ext3', '-F', '-I', '256' ], # FIXME: enable more options once we've better mkfs support
reiserfs => [ 'reiserfsprogs', 'mkfs.reiserfs', '-ff' ],
reiser4 => [ 'reiser4progs', 'mkfs.reiser4', '-f', '-y' ],
xfs => [ 'xfsprogs', 'mkfs.xfs', '-f', '-q' ],
jfs => [ 'jfsutils', 'mkfs.jfs', '-f' ],
hfs => [ 'hfsutils', 'hformat' ],
dos => [ 'dosfstools', 'mkdosfs' ],
vfat => [ 'dosfstools', 'mkdosfs', '-F', '32' ],
swap => [ 'util-linux-ng', 'mkswap' ],
ntfs => [ 'ntfsprogs', 'mkntfs', '--fast' ],
'ntfs-3g' => [ 'ntfsprogs', 'mkntfs', '--fast' ],
);
my %LABELs = ( #- option, length, handled_by_mount
ext2 => [ '-L', 16, 1 ],
ext3 => [ '-L', 16, 1 ],
ext4dev => [ '-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{$fs_type} || return};
whereis_binary($binary) || $do_pkgs->ensure_binary_is_installed($pkg, $binary); #- ensure_binary_is_installed checks binary chrooted, whereas we run the binary non-chrooted (pb for Mandriva One)
}
sub part {
my ($all_hds, $part, $wait_message) = @_;
if (isRAID($part)) {
$wait_message->(N("Formatting partition %s", $part->{device})) if $wait_message;
require raid;
raid::format_part($all_hds->{raids}, $part);
} elsif (isLoopback($part)) {
$wait_message->(N("Creating and formatting file %s", $part->{loopback_file})) if $wait_message;
fs::loopback::format_part($part);
} 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}) {
fs::mount::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 = $part->{fs_type};
if (member($fs_type, qw(ext2 ext3 ext4dev))) {
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($part)) {
push @options, '-l', 'bootstrap';
} elsif (member($fs_type, 'swap', 'ext2', 'ext3')) {
push @options, '-U', $part->{device_UUID} if $part->{device_UUID};
}
if ($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 || $part->{mntpoint} eq '/' && !member($fs_type, qw(ext2 ext3 ext4dev));
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 'mkfs.ext3' && $wait_message) {
mkfs_ext3($wait_message, @args) or die N("%s formatting of %s failed", $fs_type, $dev);
} else {
run_program::raw({ timeout => 'never' }, @args) or die N("%s formatting of %s failed", $fs_type, $dev);
}
if (member($fs_type, qw(ext3 ext4dev))) {
disable_forced_fsck($dev);
}
after_formatting($part);
}
sub after_formatting {
my ($part) = @_;
my $p = fs::type::type_subpart_from_magic($part);
$part->{device_UUID} = $p && $p->{device_UUID};
set_isFormatted($part, 1);
}
sub mkfs_ext3 {
my ($wait_message, @args) = @_;
my $cmd = shell_quote_best_effort(@args);
log::l("running: $cmd");
open(my $F, "$cmd |");
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 formatMount_part {
my ($part, $all_hds, $fstab, $wait_message) = @_;
if (isLoopback($part)) {
formatMount_part($part->{loopback_device}, $all_hds, $fstab, $wait_message);
}
if (my $p = fs::get::up_mount_point($part->{mntpoint}, $fstab)) {
formatMount_part($p, $all_hds, $fstab, $wait_message) if !fs::type::carry_root_loopback($part);
}
if ($part->{toFormat}) {
fs::format::part($all_hds, $part, $wait_message);
}
#- setting user_xattr on /home (or "/" if no /home)
if (!$part->{isMounted} && member($part->{fs_type}, qw(ext3 ext4dev))
&& ($part->{mntpoint} eq '/home' ||
!fs::get::has_mntpoint('/home', $all_hds) && $part->{mntpoint} eq '/')) {
run_program::run('tune2fs', '-o', 'user_xattr', devices::make($part->{real_device} || $part->{device}));
}
fs::mount::part($part, 0, $wait_message);
}
sub formatMount_all {
my ($all_hds, $fstab, $wait_message) = @_;
formatMount_part($_, $all_hds, $fstab, $wait_message)
foreach sort { isLoopback($a) ? 1 : isSwap($a) ? -1 : 0 } grep { $_->{mntpoint} } @$fstab;
#- ensure the link is there
fs::loopback::carryRootCreateSymlink($_) foreach @$fstab;
#- for fun :)
#- that way, when install exits via ctrl-c, it gives hand to partition
eval {
my ($_type, $major, $minor) = devices::entry(fs::get::root($fstab)->{device});
output "/proc/sys/kernel/real-root-dev", makedev($major, $minor);
};
}
1;
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