summaryrefslogtreecommitdiffstats
path: root/perl-install/diskdrake/interactive.pm
blob: 49ed8085c23c662228fa8e813ddd09e83f0f97a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
package diskdrake::interactive; # $Id$

use diagnostics;
use strict;

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 devfs_device   # 'ide/host0/bus0/target0/lun0/part5', ...
  string prefer_devfs_name # should the {devfs_device} or the {device} be used in fstab
  string device_LABEL   # volume label. LABEL=xxx can be used in fstab instead of
  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' ...

  # 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, $_nowizard, $do_force_reload, $_interactive_help) = @_;

    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 Wizard {
    $::o->{wizard} = 1;
    goto &Done;
}

sub Done {
    my ($in, $all_hds) = @_;
    eval { raid::verify($all_hds->{raids}) };
    if (my $err = $@) {
	$::expert or die;
	$in->ask_okcancel('', [ formatError($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("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("You need to reboot for the partition table modifications to take place"));
	    tell_wm_and_reboot();
	}
    }
    if (my $part = find { $_->{mntpoint} && !maybeFormatted($_) } fs::get::fstab($all_hds)) {
	$in->ask_okcancel('', 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 == $hd ? -1 : 1 } @{$all_hds->{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 %automounting = (
	0 => N("No supermount"), 
	1 => N("Supermount"),
	magicdev => N("Supermount except for CDROM drives"),
    );

    my $r;
    $in->ask_from('', '',
	    [
	     { val => N("Save partition table"),    clicked_may_quit => sub { SaveInFile($in, $hd);   1 } },
	     { val => N("Restore partition table"), clicked_may_quit => sub { ReadFromFile($in, $hd); 1 } },
	     { val => N("Rescue partition table"),  clicked_may_quit => sub { Rescuept($in, $hd);     1 } },
	         if_($::isInstall, 
	     { val => N("Reload partition table"), clicked_may_quit => sub { $r = 'force_reload'; 1 } }),
	         if_($::isInstall || 1, 
	     { label => N("Removable media automounting"), val => \$::o->{useSupermount}, 
	       format => sub { $automounting{$_[0]} }, 
	       list => [ 0, 'magicdev', 1 ], advanced => 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("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 Rescuept {
    my ($in, $hd) = @_;
    my $_w = $in->wait_message('', N("Trying to rescue partition table"));
    fsedit::rescuept($hd);
}

sub Hd_info {
    my ($in, $hd) = @_;
    $in->ask_warn('', [ N("Detailed information"), format_hd_info($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")          => '!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) {
        #- 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 = $part->{size} >> 11;
    my $has_startsector = ($::expert || arch() !~ /i.86/) && !isLVM($hd);

    $in->ask_from(N("Create a new partition"), '',
        [
           if_($has_startsector,
         { label => N("Start sector: "), val => \$part->{start}, min => $def_start, max => ($max - min_partition_size($hd)), type => 'range' },
           ),
         { label => N("Size in MB: "), val => \$mb_size, min => min_partition_size($hd) >> 11, max => $def_size >> 11, type => 'range' },
         { label => N("Filesystem type: "), val => \$type_name, list => [ fs::type::type_names() ], sort => 0 },
         { label => N("Mount point: "), val => \$part->{mntpoint}, list => [ fsedit::suggestions_mntpoint($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 },
           ),
        ], changed => sub {
	    if ($part->{start} + ($mb_size << 11) > $max) {
		if ($_[0] == 0) {
		    # Start sector changed => restricting Size
		    $mb_size = ($max - $part->{start}) >> 11; 
		} else {
		    # Size changed => restricting Start sector
		    $part->{start} = $max - ($mb_size << 11); 
		}
	    }
        }, 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("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 $warn = sub { ask_alldatawillbelost($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' or $warn->() or return;

    my @types = fs::type::type_names();

    #- 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);
    $in->ask_from_({ title => N("Change partition type"),
		     messages => N("Which filesystem do you want?"),
		     focus_first => 1,
		   },
		  [ { label => N("Type"), val => \$type_name, list => \@types, sort => 0, not_edit => !$::expert } ]) or return;

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

    if (member($type->{fs_type}, 'ext2', 'ext3')) {
	my $_w = $in->wait_message('', N("Switching from ext2 to ext3"));
	if (run_program::run("tune2fs", "-j", devices::make($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;
	}
    }
    #- either we switch to non-ext3 or switching losslessly to ext3 failed
    $part->{fs_type} ne 'ext2' or $warn->() or return;

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

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 { '' }
    };
    $in->ask_from_({ messages =>
        isLoopback($part) ? N("Where do you want to mount the loopback file %s?", $part->{loopback_file}) :
			    N("Where do you want to mount device %s?", $part->{device}),
		     focus_first => 1,
		     callbacks => {
		         complete => sub {
	    !isPartOfLoopback($part) || $mntpoint or $in->ask_warn('', 
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, $mntpoint) or return 1;
	    0;
	} },
	},
	[ { label => N("Mount point"), val => \$mntpoint, 
	    list => [ uniq(if_($mntpoint, $mntpoint), fsedit::suggestions_mntpoint($all_hds), '') ], 
	    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("Where do you want to mount %s?", $part->{device}),
	[ { label => N("Mount point"), val => \$mntpoint, 
	    list => [ if_($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, $hd) or return;
	    if ($part->{isMounted}) {
		$nice_resize{reiserfs} = 1;		  
		$min = $part->{size}; #- ensure the user can only increase
	    } elsif (defined(my $free = fs::df($part))) {
		$nice_resize{reiserfs} = 1;		  
		$min = max($min, $part->{size} - $free);
	    }
	} elsif ($part->{fs_type} eq 'xfs' && isLVM($hd) && $::isStandalone && $part->{isMounted}) {
	    $min = $part->{size}; #- ensure the user can only increase
	    $nice_resize{xfs} = 1;
	}
	#- make sure that even after normalizing the size to cylinder boundaries, the minimun will be saved,
	#- this save at least a cylinder (less than 8Mb).
	$min += partition_table::raw::cylinder_size($hd);
	$min >= $max and return $in->ask_warn('', N("This partition is not resizeable"));

	#- for these, we have tools to resize partition table
	#- without losing data (or at least we hope so :-)
	if (%nice_resize) {
	    ask_alldatamaybelost($in, $part, N_("All data on this partition should be backed-up")) or return;
	} else {
	    ask_alldatawillbelost($in, $part, N_("After resizing partition %s, all data on this partition will be lost")) or return;
	}
    }

    my $mb_size = $part->{size} >> 11;
    $in->ask_from(N("Resize"), N("Choose the new size"), [ 
		   { label => N("New size in MB: "), val => \$mb_size, min => $min >> 11, max => $max >> 11, type => 'range' },
		]) or return;


    my $size = from_Mb($mb_size, $min, $max);
    $part->{size} == $size and return;

    my $oldsize = $part->{size};
    $part->{size} = $size;
    $hd->adjustEnd($part);

    undef $@;
    my $_b = before_leaving { $@ and $part->{size} = $oldsize };

    my $adjust = sub {
	my ($write_partitions) = @_;

	if (isLVM($hd)) {
	    lvm::lv_resize($part, $oldsize);
	} else {
	    partition_table::will_tell_kernel($hd, resize => $part);
	    partition_table::adjust_local_extended($hd, $part);
	    partition_table::adjust_main_extended($hd);
	    write_partitions($in, $hd) or return if $write_partitions && %nice_resize;
	}
	1;
    };

    $adjust->(1) or return if $size > $oldsize;

    my $wait = $in->wait_message(N("Resizing"), '');

    if ($nice_resize{fat}) {
	local *log::l = sub { $wait->set(join(' ', @_)) };
	$nice_resize{fat}->resize($part->{size});
    } elsif ($nice_resize{ext2}) {
	$nice_resize{ext2}->resize($part->{size});
    } elsif ($nice_resize{ntfs}) {
	log::l("ntfs resize to $part->{size} sectors");
	$nice_resize{ntfs}->resize($part->{size});
	$wait = undef;
	$in->ask_warn('', N("To ensure data integrity after resizing the partition(s), 
filesystem checks will be run on your next boot into Windows(TM)"));
    } elsif ($nice_resize{reiserfs}) {
	log::l("reiser resize to $part->{size} sectors");
	run_program::run('resize_reiserfs', '-f', '-q', '-s' . int($part->{size}/2) . 'K', devices::make($part->{device}));
    } elsif ($nice_resize{xfs}) {
	#- happens only with mounted LVM, see above
	run_program::run("xfs_growfs", $part->{mntpoint});
    }

    if (%nice_resize) {
	set_isFormatted($part, 1);
    } else {
	set_isFormatted($part, 0);
	partition_table::verifyParts($hd) if !isLVM($hd);
	$part->{mntpoint} = '' if isNonMountable($part); #- mainly for ntfs, which we can not format
    }

    $adjust->(0) if $size < $oldsize;
}
sub Format {
    my ($in, $hd, $part, $all_hds) = @_;
    format_($in, $hd, $part, $all_hds);
}
sub Mount {
    my ($in, $hd, $part) = @_;
    write_partitions($in, $hd) or return;
    my $w;
    fs::mount::part($part, 0, sub {
        	my ($msg) = @_;
        	$w ||= $in->wait_message('', $msg);
        	$w->set($msg);
    });
}
sub Add2RAID {
    my ($in, $_hd, $part, $all_hds) = @_;
    my $raids = $all_hds->{raids};

    my $md_part = $in->ask_from_listf('', N("Choose an existing RAID to add to"),
				      sub { ref($_[0]) ? $_[0]{device} : $_[0] },
				      [ @$raids, N_("new") ]) or return;

    if (ref($md_part)) {
	raid::add($md_part, $part);
    } else {
	raid::check_prog($in) or return;
	my $md_part = raid::new($raids, disks => [ $part ]);
	modifyRAID($in, $raids, $md_part) or return raid::delete($raids, $md_part);
    }
}
sub Add2LVM {
    my ($in, $hd, $part, $all_hds) = @_;
    my $lvms = $all_hds->{lvms};
    write_partitions($in, $_) or return foreach isRAID($part) ? @{$all_hds->{hds}} : $hd;

    my $lvm = $in->ask_from_listf_('', N("Choose an existing LVM to add to"),
				  sub { ref($_[0]) ? $_[0]{VG_name} : $_[0] },
				  [ @$lvms, N_("new") ]) or return;
    require lvm;
    if (!ref $lvm) {
	# create new lvm
	my $name = $in->ask_from_entry('', N("LVM name?")) or return;
	$lvm = new lvm($name);
	push @$lvms, $lvm;
    }
    raid::make($all_hds->{raids}, $part) if isRAID($part);
    $part->{lvm} = $lvm->{VG_name};
    push @{$lvm->{disks}}, $part;
    delete $part->{mntpoint};

    lvm::check($in) if $::isStandalone;
    lvm::vg_add($part);
    lvm::update_size($lvm);
}
sub Unmount {
    my ($_in, $_hd, $part) = @_;
    fs::mount::umount_part($part);
}
sub RemoveFromRAID { 
    my ($_in, $_hd, $part, $all_hds) = @_;
    raid::removeDisk($all_hds->{raids}, $part);
}
sub RemoveFromLVM {
    my ($in, $_hd, $part, $all_hds) = @_;
    isPartOfLVM($part) or die;
    my ($lvm, $other_lvms) = partition { $_->{VG_name} eq $part->{lvm} } @{$all_hds->{lvms}};
    if (@{$lvm->[0]{disks}} > 1) {
	my ($used, $_total) = lvm::pv_physical_extents($part);
	if ($used) {
	    $in->ask_yesorno('', N("Physical volume %s is still in use.
Do you want to move used physical extents on this volume to other volumes?", $part->{device})) or return;
	    my $_w = $in->wait_message('', N("Moving physical extents"));
	    lvm::pv_move($part);
	}
	lvm::vg_reduce($lvm->[0], $part);
    } else {
	lvm::vg_destroy($lvm->[0]);
	$all_hds->{lvms} = $other_lvms;
    }
}
sub ModifyRAID { 
    my ($in, $_hd, $part, $all_hds) = @_;
    modifyRAID($in, $all_hds->{raids}, fs::get::device2part($part->{raid}, $all_hds->{raids}));
}
sub Loopback {
    my ($in, $hd, $real_part, $all_hds) = @_;

    write_partitions($in, $hd) or return;

    my $handle = any::inspect($real_part) or $in->ask_warn('', N("This partition can not be used for loopback")), return;

    my ($min, $max) = (1, fs::loopback::getFree($handle->{dir}, $real_part));
    $max = min($max, 1 << (31 - 9)) if $real_part->{fs_type} eq 'vfat'; #- FAT does not handle file size bigger than 2GB
    my $part = { maxsize => $max, size => 0, loopback_device => $real_part, notFormatted => 1 };
    if (!fsedit::suggest_part($part, $all_hds)) {
	$part->{size} = $part->{maxsize};
	fs::type::suggest_fs_type($part, 'ext3');
    }
    delete $part->{mntpoint}; # we do not want the suggested mntpoint

    my $type_name = fs::type::part2type_name($part);
    my $mb_size = $part->{size} >> 11;
    $in->ask_from(N("Loopback"), '', [
		  { label => N("Loopback file name: "), val => \$part->{loopback_file} },
		  { label => N("Size in MB: "), val => \$mb_size, min => $min >> 11, max => $max >> 11, type => 'range' },
		  { label => N("Filesystem type: "), val => \$type_name, list => [ fs::type::type_names() ], not_edit => !$::expert, sort => 0 },
             ],
	     complete => sub {
		 $part->{loopback_file} or $in->ask_warn('', N("Give a file name")), return 1, 0;
		 $part->{loopback_file} =~ s|^([^/])|/$1|;
		 if (my $size = fs::loopback::verifFile($handle->{dir}, $part->{loopback_file}, $real_part)) {
		     $size == -1 and $in->ask_warn('', N("File is already used by another loopback, choose another one")), return 1, 0;
		     $in->ask_yesorno('', N("File already exists. Use it?")) or return 1, 0;
		     delete $part->{notFormatted};
		     $part->{size} = divide($size, 512);
		 } else {
		     $part->{size} = from_Mb($mb_size, $min, $max);
		 }
		 0;
	     }) or return;
    put_in_hash($part, fs::type::type_name2subpart($type_name));
    push @{$real_part->{loopback}}, $part;
    fsedit::recompute_loopbacks($all_hds);
}

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

    my @simple_options = qw(user noauto supermount username= password=);

    my (undef, $user_implies) = fs::mount_options::list();
    my ($options, $unknown) = fs::mount_options::unpack($part);
    my %help = fs::mount_options::help();

    my $prev_user = $options->{user};
    $in->ask_from(N("Mount options"),
		  '',
		  [ 
		   (map { 
			 { label => $_, text => scalar warp_text(formatAlaTeX($help{$_})), val => \$options->{$_}, hidden => scalar(/password/),
			   advanced => !$part->{rootDevice} && !member($_, @simple_options), if_(!/=$/, type => 'bool') };
		     } keys %$options),
		    { label => N("Various"), val => \$unknown, advanced => 1 },
		  ],
		  changed => sub {
		      if ($prev_user != $options->{user}) {
			  $prev_user = $options->{user};
			  $options->{$_} = $options->{user} foreach @$user_implies;
		      }
		      if ($options->{encrypted}) {
			  # modify $part->{options} for the check
			  local $part->{options};
			  fs::mount_options::pack($part, $options, $unknown);
			  if (!check($in, $hd, $part, $all_hds)) {
			      $options->{encrypted} = 0;
			  } elsif (!$part->{encrypt_key} && !isSwap($part)) {
			      if (my ($encrypt_key, $encrypt_algo) = choose_encrypt_key($in, $options)) {
				  $options->{'encryption='} = $encrypt_algo;
				  $part->{encrypt_key} = $encrypt_key;
			      } else {
				  $options->{encrypted} = 0;
			      }
			  }
		      } else {
			  delete $options->{'encryption='};
			  delete $part->{encrypt_key};
		      }
		  },
		 ) or return;

    fs::mount_options::pack($part, $options, $unknown);
    1;
}


{ 
    no strict; 
    *{'Toggle to normal mode'} = sub() { $::expert = 0 };
    *{'Toggle to expert mode'} = sub() { $::expert = 1 };
    *{'Clear all'} = \&Clear_all;
    *{'Auto allocate'} = \&Auto_allocate;
    *{'Mount point'} = \&Mount_point;
    *{'Modify RAID'} = \&ModifyRAID;
    *{'Add to RAID'} = \&Add2RAID;
    *{'Remove from RAID'} = \&RemoveFromRAID; 
    *{'Add to LVM'} = \&Add2LVM;
    *{'Remove from LVM'} = \&RemoveFromLVM; 
    *{'Use for loopback'} = \&Loopback;
    *{'Hard drive information'} = \&Hd_info;
}


################################################################################
# helpers
################################################################################

sub is_part_existing {
    my ($part, $all_hds) = @_;
    $part && any { fsedit::are_same_partitions($part, $_) } fs::get::fstab_and_holes($all_hds);
}

sub modifyRAID {
    my ($in, $raids, $md_part) = @_;
    my $new_device = $md_part->{device};
    $in->ask_from('', '',
		  [
{ label => N("device"), val => \$new_device, list => [ $md_part->{device}, raid::free_mds($raids) ], sort => 0 },
{ label => N("level"), val => \$md_part->{level}, list => [ qw(0 1 4 5 linear) ] },
{ label => N("chunk size in KiB"), val => \$md_part->{'chunk-size'} },
		  ],
		 ) or return;
    raid::change_device($md_part, $new_device);
    raid::updateSize($md_part); # changing the raid level changes the size available
    1;
}


sub ask_alldatamaybelost {
    my ($in, $part, $msg) = @_;

    maybeFormatted($part) or return 1;

    #- here we may have a non-formatted or a formatted partition
    #- -> doing as if it was formatted
    $in->ask_okcancel(N("Read carefully!"), 
		      [ N("Be careful: this operation is dangerous."), sprintf(translate($msg), $part->{device}) ], 1);
}
sub ask_alldatawillbelost {
    my ($in, $part, $msg) = @_;

    maybeFormatted($part) or return 1;

    #- here we may have a non-formatted or a formatted partition
    #- -> doing as if it was formatted
    $in->ask_okcancel(N("Read carefully!"), sprintf(translate($msg), $part->{device}), 1);
}

sub partitions_suggestions {
    my ($in) = @_;
    my $t = $::expert ? 
      $in->ask_from_list_('', N("What type of partitioning?"), [ keys %fsedit::suggestions ]) :
      'simple';
    $fsedit::suggestions{$t};
}

sub check_type {
    my ($in, $type, $hd, $part) = @_;
    eval { fs::type::check($type->{fs_type}, $hd, $part) };
    if (my $err = $@) {
	$in->ask_warn('', formatError($err));
	return;
    }
    if ($::isStandalone && $type->{fs_type}) {
	fs::format::check_package_is_installed($in->do_pkgs, $type->{fs_type}) or return;
    }
    1;
}
sub check_mntpoint {
    my ($in, $mntpoint, $part, $all_hds) = @_;
    my $seen;
    eval { 
	catch_cdie { fsedit::check_mntpoint($mntpoint, $part, $all_hds) }
	  sub { $seen = 1; $in->ask_okcancel('', formatError($@)) };
    };
    if (my $err = $@) {
	$in->ask_warn('', formatError($err)) if !$seen;
	return;
    }
    1;
}
sub check {
    my ($in, $hd, $part, $all_hds) = @_;
    check_type($in, $part, $hd, $part) &&
      check_mntpoint($in, $part->{mntpoint}, $part, $all_hds);
}

sub check_rebootNeeded {
    my ($_in, $hd) = @_;
    $hd->{rebootNeeded} and die N("You'll need to reboot before the modification can take place");
}

sub write_partitions {
    my ($in, $hd, $b_skip_check_rebootNeeded) = @_;
    check_rebootNeeded($in, $hd) if !$b_skip_check_rebootNeeded;
    $hd->{isDirty} or return 1;
    isLVM($hd) and return 1;

    $in->ask_okcancel(N("Read carefully!"), N("Partition table of drive %s is going to be written to disk!", $hd->{device}), 1) or return;
    partition_table::write($hd) if !$::testing;
    check_rebootNeeded($in, $hd) if !$b_skip_check_rebootNeeded;
    1;
}

sub format_ {
    my ($in, $hd, $part, $all_hds) = @_;
    write_partitions($in, $_) or return foreach isRAID($part) ? @{$all_hds->{hds}} : $hd;
    ask_alldatawillbelost($in, $part, N_("After formatting partition %s, all data on this partition will be lost")) or return;
    if ($::isStandalone) {
	fs::format::check_package_is_installed($in->do_pkgs, $part->{fs_type}) or return;
    }
    $part->{isFormatted} = 0; #- force format;
    my ($_w, $wait_message) = fs::format::wait_message($in);
    fs::format::part($all_hds, $part, $wait_message);
    1;
}

sub need_migration {
    my ($in, $mntpoint) = @_;

    my @l = grep { $_ ne "lost+found" } all($mntpoint);
    if (@l && $::isStandalone) {
	my $choice;
	my @choices = (N_("Move files to the new partition"), N_("Hide files"));
	$in->ask_from('', N("Directory %s already contains data\n(%s)", $mntpoint, formatList(5, @l)), 
		      [ { val => \$choice, list => \@choices, type => 'list' } ]) or return;
	$choice eq $choices[0] ? 'migrate' : 'hide';
    } else {
	'hide';
    }    
}

sub migrate_files {
    my ($in, $_hd, $part) = @_;

    my $wait = $in->wait_message('', N("Moving files to the new partition"));
    my $handle = any::inspect($part, '', 'rw');
    my @l = glob_("$part->{mntpoint}/*");
    foreach (@l) {
	$wait->set(N("Copying %s", $_)); 
	system("cp", "-a", $_, $handle->{dir}) == 0 or die "copying failed";
    }
    foreach (@l) {
	$wait->set(N("Removing %s", $_)); 
	system("rm", "-rf", $_) == 0 or die "removing files failed";
    }
}

sub warn_if_renumbered {
    my ($in, $hd) = @_;
    my $l = delete $hd->{partitionsRenumbered};
    return if is_empty_array_ref($l);

    push @{$hd->{allPartitionsRenumbered}}, @$l;

    my @l = map { 
	my ($old, $new) = @$_;
	N("partition %s is now known as %s", $old, $new) } @$l;
    $in->ask_warn('', join("\n", N("Partitions have been renumbered: "), @l));
}

#- unit of $mb is mega bytes, min and max are in sectors, this
#- function is used to convert back to sectors count the size of
#- a partition ($mb) given from the interface (on Resize or Create).
#- modified to take into account a true bounding with min and max.
sub from_Mb {
    my ($mb, $min, $max) = @_;
    $mb <= $min >> 11 and return $min;
    $mb >= $max >> 11 and return $max;
    $mb * 2048;
}

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

    my $info = '';

    $info .= N("Mount point: ") . "$part->{mntpoint}\n" if $part->{mntpoint};
    $info .= N("Device: ") . "$part->{device}\n" if $part->{device} && !isLoopback($part);
    $info .= N("Devfs name: ") . "$part->{devfs_device}\n" if $part->{devfs_device} && $::expert;
    $info .= N("Volume label: ") . "$part->{device_LABEL}\n" if $part->{device_LABEL} && $::expert;
    $info .= N("DOS drive letter: %s (just a guess)\n", $part->{device_windobe}) if $part->{device_windobe};
    if (arch() eq "ppc") {
	my $pType = $part->{pType};
	$pType =~ s/[^A-Za-z0-9_]//g;
	$info .= N("Type: ") . $pType . ($::expert ? sprintf " (0x%x)", $part->{pt_type} : '') . "\n";
	if (defined $part->{pName}) {
	    my $pName = $part->{pName};
	    $pName =~ s/[^A-Za-z0-9_]//g;
	    $info .= N("Name: ") . $pName . "\n";
	}
    } elsif (isEmpty($part)) {
	$info .= N("Empty") . "\n";
    } else {
	$info .= N("Type: ") . (fs::type::part2type_name($part) || $part->{fs_type}) . ($::expert ? sprintf " (0x%x)", $part->{pt_type} : '') . "\n";
    }
    $info .= N("Start: sector %s\n", $part->{start}) if $::expert && !isSpecial($part) && !isLVM($hd);
    $info .= N("Size: %s", formatXiB($part->{size}, 512));
    $info .= sprintf " (%s%%)", int 100 * $part->{size} / $hd->{totalsectors} if $hd->{totalsectors};
    $info .= N(", %s sectors", $part->{size}) if $::expert;
    $info .= "\n";
    $info .= N("Cylinder %d to %d\n", $part->{start} / $hd->cylinder_size, ($part->{start} + $part->{size} - 1) / $hd->cylinder_size) if ($::expert || isEmpty($part)) && !isSpecial($part) && !isLVM($hd);
    $info .= N("Number of logical extents: %d\n", $part->{size} / $hd->cylinder_size) if $::expert && isLVM($hd);
    $info .= N("Formatted\n") if $part->{isFormatted};
    $info .= N("Not formatted\n") if !$part->{isFormatted} && $part->{notFormatted};
    $info .= N("Mounted\n") if $part->{isMounted};
    $info .= N("RAID %s\n", $part->{raid}) if isPartOfRAID($part);
    if (isPartOfLVM($part)) {
	$info .= sprintf "LVM %s\n", $part->{lvm};
	$info .= sprintf "Used physical extents %d / %d\n", lvm::pv_physical_extents($part);
    }
    $info .= N("Loopback file(s):\n   %s\n", join(", ", map { $_->{loopback_file} } @{$part->{loopback}})) if isPartOfLoopback($part);
    $info .= N("Partition booted by default\n    (for MS-DOS boot, not for lilo)\n") if $part->{active} && $::expert;
    if (isRAID($part)) {
	$info .= N("Level %s\n", $part->{level});
	$info .= N("Chunk size %d KiB\n", $part->{'chunk-size'});
	$info .= N("RAID-disks %s\n", join ", ", map { $_->{device} } @{$part->{disks}});
    } elsif (isLoopback($part)) {
	$info .= N("Loopback file name: %s", $part->{loopback_file});
    }
    if (isApple($part)) {
	$info .= N("\nChances are, this partition is\na Driver partition. You should\nprobably leave it alone.\n");
    }
    if (isAppleBootstrap($part)) {
	$info .= N("\nThis special Bootstrap\npartition is for\ndual-booting your system.\n");
    }
    # restrict the length of the lines
    $info =~ s/(.{60}).*/$1.../mg;
    $info;
}

sub format_part_info_short { 
    my ($hd, $part) = @_;
    isEmpty($part) ? format_part_info($hd, $part) : partition_table::description($part);
}

sub format_hd_info {
    my ($hd) = @_;

    my $info = '';
    $info .= N("Device: ") . "$hd->{device}\n";
    $info .= N("Read-only") . "\n" if $hd->{readonly};
    $info .= N("Size: %s\n", formatXiB($hd->{totalsectors}, 512)) if $hd->{totalsectors};
    $info .= N("Geometry: %s cylinders, %s heads, %s sectors\n", $hd->{geom}{cylinders}, $hd->{geom}{heads}, $hd->{geom}{sectors}) if $::expert && $hd->{geom};
    $info .= N("Info: ") . ($hd->{info} || $hd->{media_type}) . "\n" if $::expert && ($hd->{info} || $hd->{media_type});
    $info .= N("LVM-disks %s\n", join ", ", map { $_->{device} } @{$hd->{disks}}) if isLVM($hd) && $hd->{disks};
    $info .= N("Partition table type: %s\n", $1) if $::expert && ref($hd) =~ /_([^_]+)$/;
    $info .= N("on channel %d id %d\n", $hd->{channel}, $hd->{id}) if $::expert && exists $hd->{channel};
    $info;
}

sub format_raw_hd_info {
    my ($raw_hd) = @_;

    my $info = '';
    $info .= N("Mount point: ") . "$raw_hd->{mntpoint}\n" if $raw_hd->{mntpoint};
    $info .= format_hd_info($raw_hd);
    if (!isEmpty($raw_hd)) {
	$info .= N("Type: ") . (fs::type::part2type_name($raw_hd) || $raw_hd->{fs_type}) . "\n";
    }
    if (my $s = $raw_hd->{options}) {
	$s =~ s/password=([^\s,]*)/'password=' . ('x' x length($1))/e;
	$info .= N("Options: %s", $s);
    }
    $info;
}

#- get the minimal size of partition in sectors to help diskdrake on
#- limit cases, include a cylinder + start of a eventually following
#- logical partition.
sub min_partition_size { $_[0]->cylinder_size + 2*$_[0]{geom}{sectors} }

sub max_partition_size {
    my ($hd, $part) = @_;
    if (isLVM($hd)) {
	$part->{size} + fs::get::vg_free_space($hd);
    } else {
	partition_table::next_start($hd, $part) - $part->{start};
    }
}

sub choose_encrypt_key {
    my ($in, $options) = @_;

    my ($encrypt_key, $encrypt_key2);
    my @algorithms = map { "AES$_" } 128, 196, 256, 512, 1024, 2048;
    my $encrypt_algo = $options->{'encryption='} || "AES128";

    $in->ask_from_(
		       {
         title => N("Filesystem encryption key"), 
	 messages => N("Choose your filesystem encryption key"),
	 callbacks => { 
	     complete => sub {
		 length $encrypt_key < 6 and $in->ask_warn('', N("This encryption key is too simple (must be at least %d characters long)", 6)), return 1,0;
		 $encrypt_key eq $encrypt_key2 or $in->ask_warn('', [ N("The encryption keys do not match"), N("Please try again") ]), return 1,1;
		 return 0;
        } } }, [
{ label => N("Encryption key"), val => \$encrypt_key,  hidden => 1 },
{ label => N("Encryption key (again)"), val => \$encrypt_key2, hidden => 1 },
{ label => N("Encryption algorithm"), type => 'list', val => \$encrypt_algo, list => \@algorithms }
    ]) && ($encrypt_key, $encrypt_algo);
}


sub tell_wm_and_reboot() {
    my ($wm, $pid) = any::running_window_manager();

    if (!$wm) {
	system('reboot');
    } else {    
	any::ask_window_manager_to_logout_then_do($wm, $pid, 'reboot');
    }
}

sub update_bootloader_for_renumbered_partitions {
    my ($in, $all_hds) = @_;
    my @renumbering = map { @{$_->{allPartitionsRenumbered} || []} } @{$all_hds->{hds}} or return;

    require bootloader;
    bootloader::update_for_renumbered_partitions($in, \@renumbering, $all_hds);
}

sub undo_prepare {
    my ($all_hds) = @_;
    require Data::Dumper;
    $Data::Dumper::Purity = 1;
    foreach (@{$all_hds->{hds}}) {
	my @h = @$_{@partition_table::fields2save};
	push @{$_->{undo}}, Data::Dumper->Dump([\@h], ['$h']);
    }
}
sub undo {
    my ($all_hds) = @_;
    foreach (@{$all_hds->{hds}}) {
	my $code = pop @{$_->{undo}} or next;
	my $h; eval $code;
	@$_{@partition_table::fields2save} = @$h;

	if ($_->{hasBeenDirty}) {
	    partition_table::will_tell_kernel($_, 'force_reboot'); #- next action needing write_partitions will force it. We can not do it now since more undo may occur, and we must not needReboot now
	}
    }
    
}