tools

package diskdrake::interactive; # $Id$

use diagnostics;
use strict;
use utf8;

use common;
use fs::type;
use fs::loopback;
use fs::format;
use fs::mount_options;
use fs;
use partition_table;
use partition_table::raw;
use detect_devices;
use run_program;
use devices;
use fsedit;
use raid;
use any;
use log;


=begin

=head1 SYNOPSYS

struct part {
  int active            # one of { 0 | 0x80 }  x86 only, primary only
  int start             # in sectors
  int size              # in sectors
  int pt_type           # 0x82, 0x83, 0x6 ...
  string fs_type        # 'ext2', 'nfs', ...

  int part_number       # 1 for hda1...
  string device         # 'hda5', 'sdc1' ...
  string device_LABEL   # volume label. LABEL=xxx or /dev/disk/by-label/xxx can be used in fstab instead of the device
  bool prefer_device_LABEL # should the {device_LABEL} or the {device} be used in fstab
  bool faked_device     # false if {device} is a real device, true for nfs/smb/dav/none devices. If the field does not exist, we do not know

  string rootDevice     # 'sda', 'hdc' ... (can also be a VG_name)
  string real_mntpoint  # directly on real /, '/tmp/hdimage' ...
  string mntpoint       # '/', '/usr' ...
  string options        # 'defaults', 'noauto'
  string device_windobe # 'C', 'D' ...
  string encrypt_key    # [0-9A-Za-z./]{20,}
  string comment        # comment to have in fstab
  string volume_label   # 

  bool is_removable     # is the partition on a removable drive
  bool isMounted

  bool isFormatted
  bool notFormatted 
    #  isFormatted                  means the device is formatted
    # !isFormatted &&  notFormatted means the device is not formatted
    # !isFormatted && !notFormatted means we do not know which state we're in

  string raid       # for partitions of type isRawRAID and which isPartOfRAID, the raid device
  string lvm        # partition used as a PV for the VG with {lvm} as VG_name  #-#
  loopback loopback[]   # loopback living on this partition

  # internal
  string real_device     # '/dev/loop0', '/dev/loop1' ... (used for encrypted loopback)

  # internal CHS (Cylinder/Head/Sector)
  int start_cyl, start_head, start_sec, end_cyl, end_head, end_sec, 
}

struct part_allocate inherits part {
  int maxsize        # in sectors (alike "size")
  int ratio          # 
  string hd          # 'hda', 'hdc'
  string parts       # for creating raid partitions. eg: 'foo bar' where 'foo' and 'bar' are mntpoint
}

struct part_raid inherits part {
  string chunk-size  # in KiB, usually '64'
  string level       # one of { 0, 1, 4, 5, 'linear' }
  string UUID

  part disks[]

  # invalid: active, start, rootDevice, device_windobe?, CHS
}

struct part_loopback inherits part {
  string loopback_file   # absolute file name which is relative to the partition
  part loopback_device   # where the loopback file live

  # device is special here: it is the absolute filename of the loopback file.

  # invalid: active, start, rootDevice, device_windobe, CHS
}

struct part_lvm inherits part {
  # invalid: active, start, device_windobe, CHS
  string lv_name
}


struct partition_table_elem {
  part normal[]     #
  part extended     # the main/next extended
  part raw[4]       # primary partitions
}

struct geom {
  int heads 
  int sectors
  int cylinders
  int totalcylinders # for SUN, forget it
  int start          # always 0, forget it
}

struct hd {
  int totalsectors      # size in sectors
  string device         # 'hda', 'sdc' ...
  string device_alias   # 'cdrom', 'floppy' ...
  string media_type     # one of { 'hd', 'cdrom', 'fd', 'tape' }
  string capacity       # contain of the strings of { 'burner', 'DVD' }
  string info           # name of the hd, eg: 'QUANTUM ATLAS IV 9 WLS'

  bool readonly         # is it allowed to modify the partition table
  bool getting_rid_of_readonly_allowed # is it forbidden to write because the partition table is badly handled, or is it because we MUST not change the partition table
  bool isDirty          # does it need to be written to the disk 
  list will_tell_kernel # list of actions to tell to the kernel so that it knows the new partition table
  bool hasBeenDirty     # for undo
  bool rebootNeeded     # happens when a kernel reread failed
  list partitionsRenumbered # happens when you
                            # - remove an extended partition which is not the last one
                            # - add an extended partition which is the first extended partition
  list allPartitionsRenumbered # used to update bootloader configuration
  int bus, id
  
  partition_table_elem primary
  partition_table_elem extended[]

  geom geom

  # internal
  string prefix         # for some RAID arrays device=>c0d0 and prefix=>c0d0p
  string file           # '/dev/hda' ...
}

struct hd_lvm inherits hd {
  int PE_size           # block size (granularity, similar to cylinder size on x86)
  string VG_name        # VG name

  part_lvm disks[]

  # invalid: bus, id, extended, geom
}

struct raw_hd inherits hd {
  string fs_type       # 'ext2', 'nfs', ...
  string mntpoint   # '/', '/usr' ...
  string options    # 'defaults', 'noauto'

  # invalid: isDirty, will_tell_kernel, hasBeenDirty, rebootNeeded, primary, extended
}

struct all_hds {
  hd hds[]
  hd_lvm lvms[]
  part_raid raids[]
  part_loopback loopbacks[]
  raw_hd raw_hds[]
  raw_hd nfss[]
  raw_hd smbs[]
  raw_hd davs[]
  raw_hd special[]

  # internal: if fstab_to_string($all_hds) eq current_fstab then no need to save
  string current_fstab
}


=cut


sub main {
    my ($in, $all_hds, $do_force_reload) = @_;

    if ($in->isa('interactive::gtk')) {
	require diskdrake::hd_gtk;
	goto &diskdrake::hd_gtk::main;
    }

    my ($current_part, $current_hd);
    
    while (1) {
	my $choose_txt = $current_part ? N_("Choose another partition") : N_("Choose a partition");
	my $parts_and_holes = [ fs::get::fstab_and_holes($all_hds) ];
	my $choose_part = sub {
	    $current_part = $in->ask_from_listf('diskdrake', translate($choose_txt), 
						sub {
						    my $hd = fs::get::part2hd($_[0] || return, $all_hds);
						    format_part_info_short($hd, $_[0]);
						}, $parts_and_holes, $current_part) || return;
	    $current_hd = fs::get::part2hd($current_part, $all_hds);
	};

	$choose_part->() if !$current_part;
	return if !$current_part;

	my %actions = my @actions = (
            if_($current_part, 
          (map { my $s = $_; $_ => sub { $diskdrake::interactive::{$s}($in, $current_hd, $current_part, $all_hds) } } part_possible_actions($in, $current_hd, $current_part, $all_hds)),
		'____________________________' => sub {},
            ),
            if_(@$parts_and_holes > 1, $choose_txt => $choose_part),
	    if_($current_hd,
	  (map { my $s = $_; $_ => sub { $diskdrake::interactive::{$s}($in, $current_hd, $all_hds) } } hd_possible_actions_interactive($in, $current_hd, $all_hds)),
	    ), 
	  (map { my $s = $_; $_ => sub { $diskdrake::interactive::{$s}($in, $all_hds) } } general_possible_actions($in, $all_hds)),
        );
	my ($actions) = list2kv(@actions);
	my $a;
	if ($current_part) {
	    $in->ask_from_({
			    cancel => N("Exit"), 
			    title => 'diskdrake',
			    messages => format_part_info($current_hd, $current_part),
			   },
			   [ { val => \$a, list => $actions, format => \&translate, type => 'list', sort => 0, gtk => { use_boxradio => 0 } } ]) or last;
	    my $v = eval { $actions{$a}() };
	    if (my $err = $@) {
		$in->ask_warn(N("Error"), formatError($err));		
	    }
	    if ($v eq 'force_reload') {
		$all_hds = $do_force_reload->();
	    }
	    $current_hd = $current_part = '' if !is_part_existing($current_part, $all_hds);	    
	} else {
	    $choose_part->();
	}
	partition_table::assign_device_numbers($_) foreach fs::get::hds($all_hds);
    }
    return if eval { Done($in, $all_hds) };
    if (my $err = $@) {
    	$in->ask_warn(N("Error"), formatError($err));
    }
    goto &main;
}


################################################################################
# general actions
################################################################################
sub general_possible_actions {
    my ($_in, $_all_hds) = @_;
    N_("Undo"), ($::expert ? N_("Toggle to normal mode") : N_("Toggle to expert mode"));
}


sub Undo {
    my ($_in, $all_hds) = @_;
    undo($all_hds);
}

sub Done {
    my ($in, $all_hds) = @_;
    eval { raid::verify($all_hds->{raids}) };
    if (my $err = $@) {
	$::expert or die;
	$in->ask_okcancel(N("Confirmation"), [ formatError($err), N("Continue anyway?") ]) or return;
    }
    foreach (@{$all_hds->{hds}}) {
	if (!write_partitions($in, $_, 'skip_check_rebootNeeded')) {
	    return if !$::isStandalone;
	    $in->ask_yesorno(N("Quit without saving"), N("Quit without writing the partition table?"), 1) or return;
	}
    }
    if (!$::isInstall) {
	my $new = fs::fstab_to_string($all_hds);
	if ($new ne $all_hds->{current_fstab} && $in->ask_yesorno(N("Confirmation"), N("Do you want to save /etc/fstab modifications"), 1)) {
	    $all_hds->{current_fstab} = $new;
	    fs::write_fstab($all_hds);
	}
	update_bootloader_for_renumbered_partitions($in, $all_hds);

	if (any { $_->{rebootNeeded} } @{$all_hds->{hds}}) {
	    $in->ask_warn(N("Partitioning"), N("You need to reboot for the partition table modifications to take place"), icon => 'banner-part');
	    tell_wm_and_reboot();
	}
    }
    if (my $part = find { $_->{mntpoint} && !maybeFormatted($_) } fs::get::fstab($all_hds)) {
	$in->ask_okcancel(N("Warning"), N("You should format partition %s.
Otherwise no entry for mount point %s will be written in fstab.
Quit anyway?", $part->{device}, $part->{mntpoint})) or return if $::isStandalone;
    }
    1;
}

################################################################################
# per-hd actions
################################################################################
sub hd_possible_actions {
    my ($_in, $hd, $_all_hds) = @_;
    ( 
     if_(!$hd->{readonly} || $hd->{getting_rid_of_readonly_allowed}, N_("Clear all")), 
     if_(!$hd->{readonly} && $::isInstall, N_("Auto allocate")),
     N_("More"),
    );
}
sub hd_possible_actions_interactive {
    my ($_in, $_hd, $_all_hds) = @_;
    &hd_possible_actions, N_("Hard drive information");
}

sub Clear_all {
    my ($in, $hd, $all_hds) = @_;
    return if detect_devices::is_xbox(); #- do not let them wipe the OS
    my @parts = partition_table::get_normal_parts($hd);
    foreach (@parts) {
	RemoveFromLVM($in, $hd, $_, $all_hds) if isPartOfLVM($_);
	RemoveFromRAID($in, $hd, $_, $all_hds) if isPartOfRAID($_);
    }
    if (isLVM($hd)) {
	lvm::lv_delete($hd, $_) foreach @parts;
    } else {
	$hd->{readonly} = 0; #- give a way out of readonly-ness. only allowed when getting_rid_of_readonly_allowed
	$hd->{getting_rid_of_readonly_allowed} = 0;
	partition_table::raw::zero_MBR_and_dirty($hd);
    }
}

sub Auto_allocate {
    my ($in, $hd, $all_hds) = @_;
    my $suggestions = partitions_suggestions($in) or return;

    my %all_hds_ = %$all_hds;
    $all_hds_{hds} = [ sort { $a == $hd ? -1 : 1 } fs::get::hds($all_hds) ];

    eval { fsedit::auto_allocate(\%all_hds_, $suggestions) };
    if ($@) {
	$@ =~ /partition table already full/ or die;

	$in->ask_warn("", [ 
			   N("All primary partitions are used"),
			   N("I can not add any more partitions"), 
			   N("To have more partitions, please delete one to be able to create an extended partition"),
			  ]);
    }
}

sub More {
    my ($in, $hd) = @_;

    my $r;
    $in->ask_from(N("More"), '',
	    [
	     { val => N("Save partition table"),    clicked_may_quit => sub { SaveInFile($in, $hd);   1 } },
	     { val => N("Restore partition table"), clicked_may_quit => sub { ReadFromFile($in, $hd); 1 } },
	         if_($::isInstall, 
	     { val => N("Reload partition table"), clicked_may_quit => sub { $r = 'force_reload'; 1 } }),
	    ],
    ) && $r;
}

sub ReadFromFile {
    my ($in, $hd) = @_;

    my ($h, $file, $fh);
    if ($::isStandalone) {
	$file = $in->ask_filename({ title => N("Select file") }) or return;
    } else {
	undef $h; #- help perl_checker
	my $name = $hd->{device}; $name =~ s!/!_!g;
	($h, $fh) = install::any::media_browser($in, '', "part_$name") or return;
    }

    eval {
    catch_cdie { partition_table::load($hd, $file || $fh) }
      sub {
	  $@ =~ /bad totalsectors/ or return;
	  $in->ask_yesorno(N("Warning"),
N("The backup partition table has not the same size
Still continue?"), 0);
      };
    };
    if (my $err = $@) {
    	$in->ask_warn(N("Error"), formatError($err));
    }
}

sub SaveInFile {
    my ($in, $hd) = @_;

    my ($h, $file) = ('', '');
    if ($::isStandalone) {
	$file = $in->ask_filename({ save => 1, title => N("Select file") }) or return;
    } else {
	undef $h; #- help perl_checker
	my $name = $hd->{device}; $name =~ s!/!_!g;
	($h, $file) = install::any::media_browser($in, 'save', "part_$name") or return;
    }

    eval { partition_table::save($hd, $file) };
    if (my $err = $@) {
    	$in->ask_warn(N("Error"), formatError($err));
    }
}

sub Hd_info {
    my ($in, $hd) = @_;
    $in->ask_warn(N("Warning"), [ N("Detailed information"), format_hd_info($hd) ]);
}

################################################################################
# per-part actions
################################################################################

sub part_possible_actions {
    my ($_in, $hd, $part, $all_hds) = @_;
    $part or return;

    my %actions = my @l = (
        N_("Mount point")      => '$part->{real_mntpoint} || (!isBusy && !isSwap && !isNonMountable)',
        N_("Type")             => '!isBusy && $::expert && (!readonly || $part->{pt_type} == 0x83)',
        N_("Options")          => '!isSwap($part) && !isNonMountable && $::expert',
	N_("Label")            => '!isNonMountable && $::expert',
        N_("Resize")	       => '!isBusy && !readonly && !isSpecial || isLVM($hd) && LVM_resizable',
        N_("Format")           => '!isBusy && !readonly && ($::expert || $::isStandalone)',
        N_("Mount")            => '!isBusy && (hasMntpoint || isSwap) && maybeFormatted && ($::expert || $::isStandalone)',
        N_("Add to RAID")      => '!isBusy && isRawRAID && (!isSpecial || isRAID)',
        N_("Add to LVM")       => '!isBusy && isRawLVM',
        N_("Unmount")          => '!$part->{real_mntpoint} && isMounted',
        N_("Delete")	       => '!isBusy && !readonly',
        N_("Remove from RAID") => 'isPartOfRAID',
        N_("Remove from LVM")  => 'isPartOfLVM',
        N_("Modify RAID")      => 'canModifyRAID',
        N_("Use for loopback") => '!$part->{real_mntpoint} && isMountableRW && !isSpecial && hasMntpoint && $::expert',
    );
    my ($actions_names) = list2kv(@l);
    my $_all_hds = $all_hds; #- help perl_checker know the $all_hds *is* used in the macro below
    my %macros = (
	readonly => '$hd->{readonly}',
        hasMntpoint => '$part->{mntpoint}',
	LVM_resizable => '$part->{fs_type} eq "reiserfs" || (isMounted ? $part->{fs_type} eq "xfs" : $part->{fs_type} eq "ext3")',
	canModifyRAID => 'isPartOfRAID($part) && !isMounted(fs::get::device2part($part->{raid}, $all_hds->{raids}))',
    );
    if (isEmpty($part)) {
	if_(!$hd->{readonly}, N_("Create"));
    } elsif ($part->{pt_type} == 0xbf && detect_devices::is_xbox()) {
        #- XBox OS partitions, do not allow anything
        return;    
    } else {
        grep { 
    	    my $cond = $actions{$_};
    	    while (my ($k, $v) = each %macros) {
    	        $cond =~ s/$k/qq(($v))/e;
    	    }
    	    $cond =~ s/(^|[^:\$]) \b ([a-z]\w{3,}) \b ($|[\s&\)])/$1 . $2 . '($part)' . $3/exg;
    	    eval $cond;
        } @$actions_names;
    }
}

#- in case someone use diskdrake only to create partitions, 
#- ie without assigning a mount point,
#- do not suggest mount points anymore
my $do_suggest_mount_point = 1;

sub Create {
    my ($in, $hd, $part, $all_hds) = @_;
    my ($def_start, $def_size, $max) = ($part->{start}, $part->{size}, $part->{start} + $part->{size});

    $part->{maxsize} = $part->{size}; $part->{size} = 0;
    if (fsedit::suggest_part($part, $all_hds)) {
	$part->{mntpoint} = '' if !$do_suggest_mount_point;
    } else {
	$part->{size} = $part->{maxsize};
	fs::type::suggest_fs_type($part, 'ext3');
    }
    if (isLVM($hd)) {
	lvm::suggest_lv_name($hd, $part);
    }

    #- update adjustment for start and size, take into account the minimum partition size
    #- including one less sector for start due to a capacity to increase the adjustement by
    #- one.
    my ($primaryOrExtended, $migrate_files);
    my $type_name = fs::type::part2type_name($part);
    my $mb_size = to_Mb($part->{size});
    my $has_startsector = ($::expert || arch() !~ /i.86/) && !isLVM($hd);

    $in->ask_from(N("Create a new partition"), '',
        [
         { label => N("Create a new partition"), title => 1 },
           if_($has_startsector,
         { label => N("Start sector: "), val => \$part->{start}, min => $def_start, max => ($max - min_partition_size($hd)), 
	   type => 'range', SpinButton => $::expert, changed => sub { $mb_size = min($mb_size, to_Mb($max - $part->{start})) } },
           ),
         { label => N("Size in MB: "), val => \$mb_size, min => to_Mb(min_partition_size($hd)), max => to_Mb($def_size), 
	   type => 'range', SpinButton => $::expert, changed => sub { $part->{start} = min($part->{start}, $max - $mb_size * 2048) } },
         { label => N("Filesystem type: "), val => \$type_name, list => [ fs::type::type_names($::expert, $hd) ], 
	   sort => 0, if_($::expert, gtk => { wrap_width => 4 }) },
         { label => N("Mount point: "), val => \$part->{mntpoint}, list => [ fsedit::suggestions_mntpoint($all_hds), '' ],
           disabled => sub { my $p = fs::type::type_name2subpart($type_name); isSwap($p) || isNonMountable($p) }, type => 'combo', not_edit => 0,
         },
           if_($::expert && $hd->hasExtended,
         { label => N("Preference: "), val => \$primaryOrExtended, list => [ '', "Extended", "Primary", if_($::expert, "Extended_0x85") ] },
           ),
	   if_($::expert && isLVM($hd),
	 { label => N("Logical volume name "), val => \$part->{lv_name}, list => [ qw(root swap usr home var), '' ], sort => 0, not_edit => 0 },
           ),
        ], complete => sub {
	    $part->{size} = from_Mb($mb_size, min_partition_size($hd), $max - $part->{start}); #- need this to be able to get back the approximation of using MB
	    put_in_hash($part, fs::type::type_name2subpart($type_name));
	    $do_suggest_mount_point = 0 if !$part->{mntpoint};
	    $part->{mntpoint} = '' if isNonMountable($part);
	    $part->{mntpoint} = 'swap' if isSwap($part);
	    fs::mount_options::set_default($part, ignore_is_removable => 1);

	    check($in, $hd, $part, $all_hds) or return 1;
	    $migrate_files = need_migration($in, $part->{mntpoint}) or return 1;
	    
	    my $seen;
	    eval { 
		catch_cdie { fsedit::add($hd, $part, $all_hds, { force => 1, primaryOrExtended => $primaryOrExtended }) }
		  sub { $seen = 1; $in->ask_okcancel('', formatError($@)) };
	    };
	    if (my $err = $@) {
		if ($err =~ /raw_add/ && $hd->hasExtended && !$hd->{primary}{extended}) {
		    $in->ask_warn(N("Error"), N("You can not create a new partition
(since you reached the maximal number of primary partitions).
First remove a primary partition and create an extended partition."));
		    return 0;
		} else {
		    $in->ask_warn(N("Error"), formatError($err)) if !$seen;
		    return 1;
		}
	    }
	    0;
	},
    ) or return;

    warn_if_renumbered($in, $hd);

    if ($migrate_files eq 'migrate') {
	format_($in, $hd, $part, $all_hds) or return;
	migrate_files($in, $hd, $part);
	fs::mount::part($part);
    }
}

sub Delete {
    my ($in, $hd, $part, $all_hds) = @_;
    if (isRAID($part)) {
	raid::delete($all_hds->{raids}, $part);
    } elsif (isLVM($hd)) {
	lvm::lv_delete($hd, $part);
    } elsif (isLoopback($part)) {
	my $f = "$part->{loopback_device}{mntpoint}$part->{loopback_file}";
	if (-e $f && $in->ask_yesorno(N("Warning"), N("Remove the loopback file?"))) {
	    unlink $f;
	}
	my $l = $part->{loopback_device}{loopback};
	@$l = grep { $_ != $part } @$l;
	delete $part->{loopback_device}{loopback} if @$l == 0;
	fsedit::recompute_loopbacks($all_hds);
    } else {
	if (arch() =~ /ppc/) {
	    undef $partition_table::mac::bootstrap_part if isAppleBootstrap($part) && ($part->{device} = $partition_table::mac::bootstrap_part);
	}
	partition_table::remove($hd, $part);
	warn_if_renumbered($in, $hd);
    }
}

sub Type {
    my ($in, $hd, $part) = @_;

    my $warned;
    my $warn = sub { 
	$warned = 1; 
	ask_alldatawillbelost($in, $part, N_("After changing type of partition %s, all data on this partition will be lost"));
    };

    #- for ext2, warn after choosing as ext2->ext3 can be achieved without loosing any data :)
    $part->{fs_type} eq 'ext2' || $part->{fs_type} =~ /ntfs/ or $warn->() or return;

    my @types = fs::type::type_names($::expert, $hd);

    #- when readonly, Type() is allowed only when changing {fs_type} but not {pt_type}
    #- eg: switching between ext2, ext3, reiserfs...
    @types = grep { fs::type::type_name2pt_type($_) == $part->{pt_type} } @types if $hd->{readonly};

    my $type_name = fs::type::part2type_name($part);
    $in->ask_from_({ title => N("Change partition type") },
		  [
		   { label => N("Which filesystem do you want?"), title => 1 },
		   { label => N("Type"), val => \$type_name, list => \@types, sort => 0, 
		     focus => sub { 1 }, not_edit => 1, gtk => { wrap_width => 4 } } ]) or return;

    my $type = $type_name && fs::type::type_name2subpart($type_name);

    if (member($type->{fs_type}, 'ext2', 'ext3')) {
	my $_w = $in->wait_message(N("Please wait"), N("Switching from ext2 to ext3"));
	if (run_program::run("tune2fs", "-j", devices::make($part->{device}))) {
	    put_in_hash($part, $type);
	    set_isFormatted($part, 1); #- assume that if tune2fs works, partition is formatted

	    #- disable the fsck (do not do it together with -j in case -j fails?)
	    fs::format::disable_forced_fsck($part->{device});	    
	    return;
	}
    } elsif ($type->{fs_type} =~ /ntfs/ && $part->{fs_type} =~ /ntfs/) {
	if ($type->{fs_type} eq 'ntfs-3g') {
	    $in->do_pkgs->ensure_binary_is_installed('ntfs-3g', 'mount.ntfs-3g') or return;
	}
	put_in_hash($part, $type);
	return;
    }
    #- either we switch to non-ext3 or switching losslessly to ext3 failed
    $warned or $warn->() or return;

    if (defined $type) {
	check_type($in, $type, $hd, $part) and fsedit::change_type($type, $hd, $part);
    }
}

sub Label {
    my ($in, $_hd, $part) = @_;
    $in->ask_from(N("Which volume label?"), '',

		  [
		   { label => N("Which volume label?"), title => 1 },
		   { label => N("Label:"), val => \$part->{device_LABEL} } ]) or return;
    $part->{prefer_device_LABEL} = to_bool($part->{device_LABEL});
}

sub Mount_point {
    my ($in, $hd, $part, $all_hds) = @_;

    my $migrate_files;
    my $mntpoint = $part->{mntpoint} || do {
	my $part_ = { %$part };
	if (fsedit::suggest_part($part_, $all_hds)) {
	    fs::get::has_mntpoint('/', $all_hds) || $part_->{mntpoint} eq '/boot' ? $part_->{mntpoint} : '/';
	} else { '' }
    };
    my $msg = isLoopback($part) ? N("Where do you want to mount the loopback file %s?", $part->{loopback_file}) :
			    N("Where do you want to mount device %s?", $part->{device});
    $in->ask_from_({
		     callbacks => {
		         complete => sub {
	    !isPartOfLoopback($part) || $mntpoint or $in->ask_warn(N("Error"), 
N("Can not unset mount point as this partition is used for loop back.
Remove the loopback first")), return 1;
	    $part->{mntpoint} eq $mntpoint || check_mntpoint($in, $mntpoint, $part, $all_hds) or return 1;
    	    $migrate_files = need_migration($in, $mntpoint) or return 1;
	    0;
	} },
	},
	[
	  { label => $msg, title => 1 },
	  { label => N("Mount point"), val => \$mntpoint, 
	    list => [ uniq(if_($mntpoint, $mntpoint), fsedit::suggestions_mntpoint($all_hds), '') ], 
	    focus => sub { 1 },
	    not_edit => 0 } ],
    ) or return;
    $part->{mntpoint} = $mntpoint;

    if ($migrate_files eq 'migrate') {
	format_($in, $hd, $part, $all_hds) or return;
	migrate_files($in, $hd, $part);
	fs::mount::part($part);
    }
}
sub Mount_point_raw_hd {
    my ($in, $part, $all_hds, @propositions) = @_;

    my $mntpoint = $part->{mntpoint} || shift @propositions;
    $in->ask_from(
        N("Mount point"),
        '',
	[
	 { label => N("Where do you want to mount %s?", $part->{device}), title => 1 },
	 { label => N("Mount point"), val => \$mntpoint, 
	    list => [ if_($mntpoint, $mntpoint), '', @propositions ], 
	    not_edit => 0 } ],
	complete => sub {
	    $part->{mntpoint} eq $mntpoint || check_mntpoint($in, $mntpoint, $part, $all_hds) or return 1;
	    0;
	}
    ) or return;
    $part->{mntpoint} = $mntpoint;
}

sub Resize {
    my ($in, $hd, $part) = @_;
    my (%nice_resize);
    my ($min, $max) = (min_partition_size($hd), max_partition_size($hd, $part));

    if (maybeFormatted($part)) {
	# here we may have a non-formatted or a formatted partition
	# -> doing as if it was formatted

	if ($part->{fs_type} eq 'vfat') {
	    write_partitions($in, $hd) or return;
	    #- try to resize without losing data
	    my $_w = $in->wait_message(N("Resizing"), N("Computing FAT filesystem bounds"));

	    require resize_fat::main;
	    $nice_resize{fat} = resize_fat::main->new($part->{device}, devices::make($part->{device}));
	    $min = max($min, $nice_resize{fat}->min_size);
	    $max = min($max, $nice_resize{fat}->max_size);	    
	} elsif (member($part->{fs_type}, 'ext2', 'ext3')) {
	    write_partitions($in, $hd) or return;
	    require diskdrake::resize_ext2;
	    if ($nice_resize{ext2} = diskdrake::resize_ext2->new($part->{device}, devices::make($part->{device}))) {
		$min = max($min, $nice_resize{ext2}->min_size);
	    } else {
		delete $nice_resize{ext2};
	    }
	} elsif ($part->{fs_type} eq 'ntfs') {
	    write_partitions($in, $hd) or return;
	    require diskdrake::resize_ntfs;
	    diskdrake::resize_ntfs::check_prog($in) or return;
	    $nice_resize{ntfs} = diskdrake::resize_ntfs->new($part->{device}, devices::make($part->{device}));
	    $min = $nice_resize{ntfs}->min_size or delete $nice_resize{ntfs};
	} elsif ($part->{fs_type} eq 'reiserfs') {
	    write_partitions($in, $hd) or return;
Mode	Name	Size
-rw-r--r--	.perl_checker	107	log stats plain
-rw-r--r--	Makefile	529	log stats plain
-rwxr-xr-x	checkusedmodules	973	log stats plain
-rwxr-xr-x	drakx-in-chroot	7357	log stats plain
-rw-r--r--	extractchangelog	17	log stats plain
-rwxr-xr-x	gencryptofiles	3883	log stats plain
-rwxr-xr-x	get-needed-drakx-modules	457	log stats plain
-rwxr-xr-x	hd_grub.cgi	3239	log stats plain
d---------	i386	35	log stats plain
d---------	ia64	37	log stats plain
-rwxr-xr-x	install-xml-file-list	10274	log stats plain
-rw-r--r--	make_lang_png_transparent.c	3796	log stats plain
-rwxr-xr-x	mdkinst_stage2_tool	1576	log stats plain
-rw-r--r--	ntp_servers.pl	6912	log stats plain
d---------	ppc	137	log stats plain
-rw-r--r--	rpcinfo-flushed.c	18020	log stats plain
d---------	serial_probe	221	log stats plain
-rw-r--r--	shift_all.pl	1229	log stats plain
-rw-r--r--	shift_img.c	3741	log stats plain
-rwxr-xr-x	simplify-drakx-modules	111	log stats plain
-rwxr-xr-x	specific_arch	214	log stats plain
d---------	x86_64	35	log stats plain
-rw-r--r--	xhost+.c	240	log stats plain