about summary refs log tree commit diff
path: root/installer.sh.in
blob: a3fe9f1a34bda56a99edcb0c9e1ba52b805eb569 (plain) (blame)
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
#!/bin/sh
#-
# Copyright (c) 2012-2014 Juan Romero Pardines <xtraeme@gmail.com>.
#               2012 Dave Elusive <davehome@redthumb.info.tm>.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#-

# Make sure we don't inherit these from env.
SOURCE_DONE=
HOSTNAME_DONE=
KEYBOARD_DONE=
LOCALE_DONE=
TIMEZONE_DONE=
ROOTPASSWORD_DONE=
BOOTLOADER_DONE=
PARTITIONS_DONE=
NETWORK_DONE=
FILESYSTEMS_DONE=

TARGETDIR=/mnt/target
LOG=/dev/tty7
CONF_FILE=/tmp/.void-installer.conf
if [ ! -f $CONF_FILE ]; then
    touch -f $CONF_FILE
fi
ANSWER=$(mktemp -t vinstall-XXXXXXXX || exit 1)
TARGET_FSTAB=$(mktemp -t vinstall-fstab-XXXXXXXX || exit 1)

trap "DIE" INT TERM QUIT

# disable printk
if [ -w /proc/sys/kernel/printk ]; then
    echo 0 >/proc/sys/kernel/printk
fi

# Detect if this is an EFI system.
if [ -e /sys/firmware/efi/systab ]; then
    EFI_SYSTEM=1
fi

# Detect if systemd is installed
if [ "$(cat /proc/1/comm)" = "systemd" ]; then
    SYSTEMD_INIT=1
fi

# dialog colors
BLACK="\Z0"
RED="\Z1"
GREEN="\Z2"
YELLOW="\Z3"
BLUE="\Z4"
MAGENTA="\Z5"
CYAN="\Z6"
WHITE="\Z7"
BOLD="\Zb"
REVERSE="\Zr"
UNDERLINE="\Zu"
RESET="\Zn"

# Properties shared per widget.
MENULABEL="${BOLD}Use UP and DOWN keys to navigate \
menus. Use TAB to switch between buttons and ENTER to select.${RESET}"
MENUSIZE="14 60 0"
INPUTSIZE="8 60"
MSGBOXSIZE="8 70"
YESNOSIZE="$INPUTSIZE"
WIDGET_SIZE="10 70"

DIALOG() {
    rm -f $ANSWER
    dialog --colors --keep-tite --no-shadow --no-mouse \
        --backtitle "${BOLD}${WHITE}Void Linux installation -- http://www.voidlinux.eu/ (@@MKLIVE_VERSION@@)${RESET}" \
        --cancel-label "Back" --aspect 20 "$@" 2>$ANSWER
    return $?
}

DIE() {
    rval=$1
    [ -z "$rval" ] && rval=0
    clear
    rm -f $ANSWER $TARGET_FSTAB
    # reenable printk
    if [ -w /proc/sys/kernel/printk ]; then
        echo 4 >/proc/sys/kernel/printk
    fi
    umount_filesystems
    exit $rval
}

set_option() {
    if grep -Eq "^${1}.*" $CONF_FILE; then
        sed -i -e "/^${1}.*/d" $CONF_FILE
    fi
    echo "${1} ${2}" >>$CONF_FILE
}

get_option() {
    echo $(grep -E "^${1}.*" $CONF_FILE|sed -e "s|${1}||")
}

show_disks() {
    local dev size sectorsize gbytes

    # IDE
    for dev in $(ls /sys/block|grep -E '^hd'); do
        if [ "$(cat /sys/block/$dev/device/media)" = "disk" ]; then
            # Find out nr sectors and bytes per sector;
            echo "/dev/$dev"
            size=$(cat /sys/block/$dev/size)
            sectorsize=$(cat /sys/block/$dev/queue/hw_sector_size)
            gbytes="$(($size * $sectorsize / 1024 / 1024 / 1024))"
            echo "size:${gbytes}GB;sector_size:$sectorsize"
        fi
    done
    # SATA/SCSI and Virtual disks (virtio)
    for dev in $(ls /sys/block|grep -E '^([sv]|xv)d'); do
        echo "/dev/$dev"
        size=$(cat /sys/block/$dev/size)
        sectorsize=$(cat /sys/block/$dev/queue/hw_sector_size)
        gbytes="$(($size * $sectorsize / 1024 / 1024 / 1024))"
        echo "size:${gbytes}GB;sector_size:$sectorsize"
    done
}

show_partitions() {
    local dev fstype fssize p part

    set -- $(show_disks)
    while [ $# -ne 0 ]; do
        disk=$(basename $1)
        shift 2
        # ATA/SCSI/SATA
        for p in /sys/block/$disk/$disk*; do
            if [ -d $p ]; then
                part=$(basename $p)
                fstype=$(lsblk -nfr /dev/$part|awk '{print $2}')
                [ "$fstype" = "iso9660" ] && continue
                fssize=$(lsblk -nr /dev/$part|awk '{print $4}')
                echo "/dev/$part"
                echo "size:${fssize:-unknown};fstype:${fstype:-none}"
            fi
        done
        # LVM
        for p in $(ls /dev/mapper 2>/dev/null|grep -v control); do
            [ "$p" = "live-rw" ] && continue
            [ "$p" = "live-base" ] && continue
            fstype=$(lsblk -nfr /dev/$part|awk '{print $2}')
            fssize=$(lsblk -nr /dev/mapper/$p|awk '{print $4}')
            echo "/dev/mapper/$p"
            echo "size:${fssize:-unknown};fstype:${fstype:-none}"
        done
        # Software raid (md)
        for p in $(ls -d /dev/md* 2>/dev/null|grep '[0-9]'); do
            if cat /proc/mdstat|grep -qw $(echo $p|sed -e 's|/dev/||g'); then
                fstype=$(lsblk -nfr /dev/$part|awk '{print $2}')
                fssize=$(lsblk -nr /dev/$p|awk '{print $4}')
                echo "$p"
                echo "size:${fssize:-unknown};fstype:${fstype:-none}"
            fi
        done
    done
}

menu_filesystems() {
    local dev fstype fssize mntpoint reformat

    while true; do
        DIALOG --title " Select the partition to edit " --menu "$MENULABEL" \
            ${MENUSIZE} $(show_partitions)
        [ $? -ne 0 ] && return

        dev=$(cat $ANSWER)
        DIALOG --title " Select the filesystem type for $dev " \
            --menu "$MENULABEL" ${MENUSIZE} \
            "btrfs" "Oracle's Btrfs" \
            "ext2" "Linux ext2 (no journaling)" \
            "ext3" "Linux ext3 (journal)" \
            "ext4" "Linux ext4 (journal)" \
            "f2fs" "Flash-Friendly Filesystem" \
            "swap" "Linux swap" \
            "vfat" "FAT32" \
            "xfs" "SGI's XFS"
        if [ $? -eq 0 ]; then
            fstype=$(cat $ANSWER)
        else
            continue
        fi
        if [ "$fstype" != "swap" ]; then
            DIALOG --inputbox "Please specify the mount point for $dev:" ${INPUTSIZE}
            if [ $? -eq 0 ]; then
                mntpoint=$(cat $ANSWER)
            elif [ $? -eq 1 ]; then
                continue
            fi
        else
            mntpoint=swap
        fi
        DIALOG --yesno "Do you want to create a new filesystem on $dev?" ${YESNOSIZE}
        if [ $? -eq 0 ]; then
            reformat=1
        elif [ $? -eq 1 ]; then
            reformat=0
        else
            continue
        fi
        fssize=$(lsblk -nr $dev|awk '{print $4}')
        set -- "$fstype" "$fssize" "$mntpoint" "$reformat"
        if [ -n "$1" -a -n "$2" -a -n "$3" -a -n "$4" ]; then
            local bdev=$(basename $dev)
            if grep -Eq "^MOUNTPOINT \/dev\/${bdev}.*" $CONF_FILE; then
                sed -i -e "/^MOUNTPOINT \/dev\/${bdev}.*/d" $CONF_FILE
            fi
            echo "MOUNTPOINT $dev $1 $2 $3 $4" >>$CONF_FILE
        fi
    done
}

menu_partitions() {
    DIALOG --title " Select the disk to partition " \
        --menu "$MENULABEL" ${MENUSIZE} $(show_disks)
    if [ $? -eq 0 ]; then
        local device=$(cat $ANSWER)

        DIALOG --title "Modify Partition Table on $device" --msgbox "\n
${BOLD}cfdisk will be executed in disk $device.${RESET}\n\n
For BIOS systems, MBR or GPT partition tables are supported.\n
To use GPT on PC BIOS systems an empty partition of 1MB must be added\n
at the first 2GB of the disk with the TOGGLE \`bios_grub' enabled.\n
${BOLD}NOTE: you don't need this on EFI systems.${RESET}\n\n
For EFI systems GPT is mandatory and a FAT32 partition with at least\n
100MB must be created with the TOGGLE \`boot', this will be used as\n
EFI System Partition. This partition must have mountpoint as \`/boot/efi'.\n\n
At least 2 partitions are required: swap and rootfs (/).\n
For swap, RAM*2 must be really enough. For / 600MB are required.\n\n
${BOLD}WARNING: /usr is not supported as a separate partition.${RESET}\n
${BOLD}WARNING: changes made by parted are destructive, you've been warned.
${RESET}\n" 18 80
        if [ $? -eq 0 ]; then
            while true; do
                clear; cfdisk $device; PARTITIONS_DONE=1; partx -a $device
                break
            done
        else
            return
        fi
    fi
}

menu_keymap() {
    if [ "$SYSTEMD_INIT" -eq 1 ]; then
        local _keymaps="$(localectl --no-pager list-keymaps)"
    else
        local _keymaps="$(find /usr/share/kbd/keymaps/ -type f -iname "*.map.gz" -printf "%f\n" | sed 's|.map.gz||g' | sort)"
    fi
    local _KEYMAPS=

    for f in ${_keymaps}; do
        _KEYMAPS="${_KEYMAPS} ${f} -"
    done
    while true; do
        DIALOG --title " Select your keymap " --menu "$MENULABEL" 14 70 14 ${_KEYMAPS}
        if [ $? -eq 0 ]; then
            set_option KEYMAP "$(cat $ANSWER)"
            loadkeys "$(cat $ANSWER)"
            KEYBOARD_DONE=1
            break
        else
            return
        fi
    done
}

set_keymap() {
    local KEYMAP=$(get_option KEYMAP)
    if [ -f "/etc/vconsole.conf" ]; then
        sed -i -e "s|KEYMAP=.*|KEYMAP=$KEYMAP|g" $TARGETDIR/etc/vconsole.conf
    else
        sed -i -e "s|KEYMAP=.*|KEYMAP=$KEYMAP|g" $TARGETDIR/etc/rc.conf
    fi
}

menu_locale() {
    local _locales="$(grep -E '\.UTF-8' /etc/default/libc-locales|awk '{print $1}'|sed -e 's/^#//')"
    local _LOCALES=

    for f in ${_locales}; do
        _LOCALES="${_LOCALES} ${f} -"
    done
    while true; do
        DIALOG --title " Select your locale " --menu "$MENULABEL" 14 70 14 ${_LOCALES}
        if [ $? -eq 0 ]; then
            set_option LOCALE "$(cat $ANSWER)"
            LOCALE_DONE=1
            break
        else
            return
        fi
    done
}

set_locale() {
    local LOCALE=$(get_option LOCALE)
    sed -i -e "s|LANG=.*|LANG=$LOCALE|g" $TARGETDIR/etc/locale.conf
    # Uncomment locale from /etc/default/libc-locales and regenerate it.
    sed -e "/${LOCALE}/s/^\#//" -i $TARGETDIR/etc/default/libc-locales
    echo "Running xbps-reconfigure -f glibc-locales ..." >$LOG
    chroot $TARGETDIR xbps-reconfigure -f glibc-locales >$LOG 2>&1
}

menu_timezone() {
    if [ "$SYSTEMD_INIT" -eq 1 ]; then
        local _tzones="$(timedatectl --no-pager list-timezones)"
    else
        local _tzones="$(cd /usr/share/zoneinfo; find Africa/ America/ Antarctica/ Arctic/ Asia/ Atlantic/ Australia/ Europe/ Indian/ Pacific/ -type f | sort)"
    fi
    local _TIMEZONES=

    for f in ${_tzones}; do
        _TIMEZONES="${_TIMEZONES} ${f} -"
    done
    while true; do
        DIALOG --title " Select your timezone " --menu "$MENULABEL" 14 70 14 ${_TIMEZONES}
        if [ $? -eq 0 ]; then
            set_option TIMEZONE "$(cat $ANSWER)"
            TIMEZONE_DONE=1
            break
        else
            return
        fi
    done
}

set_timezone() {
    local TIMEZONE="$(get_option TIMEZONE)"
    ln -sf /usr/share/zoneinfo/${TIMEZONE} $TARGETDIR/etc/localtime
}

menu_hostname() {
    while true; do
        DIALOG --inputbox "Set the machine hostname:" ${INPUTSIZE}
        if [ $? -eq 0 ]; then
            set_option HOSTNAME "$(cat $ANSWER)"
            HOSTNAME_DONE=1
            break
        else
            return
        fi
    done
}

set_hostname() {
    echo $(get_option HOSTNAME) > $TARGETDIR/etc/hostname
}

menu_rootpassword() {
    local _firstpass= _secondpass= _desc=

    while true; do
        if [ -n "${_firstpass}" ]; then
            _desc="Enter the root password again (password won't be displayed)"
        else
            _desc="Enter the root password (password won't be displayed)"
        fi
        DIALOG --passwordbox "${_desc}" ${MSGBOXSIZE}
        if [ $? -eq 0 ]; then
            if [ -z "${_firstpass}" ]; then
                _firstpass="$(cat $ANSWER)"
            else
                _secondpass="$(cat $ANSWER)"
            fi
            if [ -n "${_firstpass}" -a -n "${_secondpass}" ]; then
                if [ "${_firstpass}" != "${_secondpass}" ]; then
                    DIALOG --infobox "Passwords do not match! please reenter it again" 6 80
                    unset _firstpass _secondpass
                    sleep 2 && continue
                fi
                set_option ROOTPASSWORD "${_firstpass}"
                ROOTPASSWORD_DONE=1
                break
            fi
        else
            return
        fi
    done
}

set_rootpassword() {
    echo "root:$(get_option ROOTPASSWORD)" | chpasswd -R $TARGETDIR -c SHA512
}

menu_bootloader() {
    while true; do
        DIALOG --title " Select the disk to install the bootloader" \
            --menu "$MENULABEL" ${MENUSIZE} $(show_disks)
        if [ $? -eq 0 ]; then
            set_option BOOTLOADER "$(cat $ANSWER)"
            BOOTLOADER_DONE=1
            break
        else
            return
        fi
    done
}

set_bootloader() {
    local dev=$(get_option BOOTLOADER) grub_args=

    # Check if it's an EFI system via efivars module.
    if [ -n "$EFI_SYSTEM" ]; then
        grub_args="--target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=void_grub --recheck"
    fi
    echo "Running grub-install $grub_args $dev..." >$LOG
    chroot $TARGETDIR grub-install $grub_args $dev >$LOG 2>&1
    if [ $? -ne 0 ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
        failed to install GRUB to $dev!\nCheck $LOG for errors." ${MSGBOXSIZE}
        DIE 1
    fi
    echo "Running grub-mkconfig on $TARGETDIR..." >$LOG
    chroot $TARGETDIR grub-mkconfig -o /boot/grub/grub.cfg >$LOG 2>&1
    if [ $? -ne 0 ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR${RESET}: \
        failed to run grub-mkconfig!\nCheck $LOG for errors." ${MSGBOXSIZE}
        DIE 1
    fi
}

test_network() {
    rm -f xtraeme.asc && \
        xbps-uhelper fetch http://repo.voidlinux.eu/live/xtraeme.asc >$LOG 2>&1
    if [ $? -eq 0 ]; then
        DIALOG --msgbox "Network is working properly!" ${MSGBOXSIZE}
        NETWORK_DONE=1
        return 1
    fi
    DIALOG --msgbox "Network is unaccessible, please setup it properly." ${MSGBOXSIZE}
}

configure_wifi() {
    local dev="$1" ssid enc pass _wpasupconf=/etc/wpa_supplicant/wpa_supplicant.conf

    DIALOG --form "Wireless configuration for ${dev}\n(encryption type: wep or wpa)" 0 0 0 \
        "SSID:" 1 1 "" 1 16 30 0 \
        "Encryption:" 2 1 "" 2 16 3 0 \
        "Password:" 3 1 "" 3 16 30 0 || return 1
    set -- $(cat $ANSWER)
    ssid="$1"; enc="$2"; pass="$3";

    if [ -z "$ssid" ]; then
        DIALOG --msgbox "Invalid SSID." ${MSGBOXSIZE}
        return 1
    elif [ -z "$enc" -o "$enc" != "wep" -a "$enc" != "wpa" ]; then
        DIALOG --msgbox "Invalid encryption type (possible values: wep or wpa)." ${MSXBOXSIZE}
        return 1
    elif [ -z "$pass" ]; then
        DIALOG --msgbox "Invalid AP password." ${MSGBOXSIZE}
    fi

    rm -f ${_wpasupconf%.conf}-${dev}.conf
    cp -f ${_wpasupconf} ${_wpasupconf%.conf}-${dev}.conf
    if [ "$enc" = "wep" ]; then
        echo "network={" >> ${_wpasupconf%.conf}-${dev}.conf
        echo "  ssid=\"$ssid\"" >> ${_wpasupconf%.conf}-${dev}.conf
        echo "  wep_key0=\"$pass\"" >> ${_wpasupconf%.conf}-${dev}.conf
        echo "  wep_tx_keyidx=0" >> ${_wpasupconf%.conf}-${dev}.conf
        echo "  auth_alg=SHARED" >> ${_wpasupconf%.conf}-${dev}.conf
        echo "}" >> ${_wpasupconf%.conf}-${dev}.conf
    else
        wpa_passphrase "$ssid" "$pass" >> ${_wpasupconf%.conf}-${dev}.conf
    fi

    configure_net_dhcp $dev
    return $?
}

configure_net() {
    local dev="$1" rval

    DIALOG --yesno "Do you want to use DHCP for $dev?" ${YESNOSIZE}
    rval=$?
    if [ $rval -eq 0 ]; then
        configure_net_dhcp $dev
    elif [ $rval -eq 1 ]; then
        configure_net_static $dev
    fi
}

iface_setup() {
    ip addr show dev $1|grep -q 'inet '
    return $?
}

configure_net_dhcp() {
    local dev="$1"

    iface_setup $dev
    if [ $? -eq 1 ]; then
        dhcpcd -t 10 -w -4 -L $dev -e "wpa_supplicant_conf=/etc/wpa_supplicant/wpa_supplicant-${dev}.conf" 2>&1 | tee $LOG | \
            DIALOG --progressbox "Initializing $dev via DHCP..." ${WIDGET_SIZE}
        if [ $? -ne 0 ]; then
            DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} failed to run dhcpcd. See $LOG for details." ${MSGBOXSIZE}
            return 1
        fi
        iface_setup $dev
        if [ $? -eq 1 ]; then
            DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} DHCP request failed for $dev. Check $LOG for errors." ${MSGBOXSIZE}
            return 1
        fi
    fi
    test_network
    if [ $? -eq 1 ]; then
        set_option NETWORK "${dev} dhcp"
    fi
}

configure_net_static() {
    local ip gw dns1 dns2 dev=$1

    DIALOG --form "Static IP configuration for $dev:" 0 0 0 \
        "IP address:" 1 1 "192.168.0.2" 1 21 20 0 \
        "Gateway:" 2 1 "192.168.0.1" 2 21 20 0 \
        "DNS Primary" 3 1 "8.8.8.8" 3 21 20 0 \
        "DNS Secondary" 4 1 "8.8.4.4" 4 21 20 0 || return 1

    set -- $(cat $ANSWER)
    ip=$1; gw=$2; dns1=$3; dns2=$4
    echo "running: ip link set dev $dev up" >$LOG
    ip link set dev $dev up >$LOG 2>&1
    if [ $? -ne 0 ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} Failed to bring $dev interface." ${MSGBOXSIZE}
        return 1
    fi
    echo "running: ip addr add $ip dev $dev"
    ip addr add $ip dev $dev >$LOG 2>&1
    if [ $? -ne 0 ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} Failed to set ip to the $dev interface." ${MSGBOXSIZE}
        return 1
    fi
    ip route add $gw dev $dev >$LOG 2>&1
    if [ $? -ne 0 ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} failed to setup your gateway." ${MSGBOXSIZE}
        return 1
    fi
    echo "nameserver $dns1" >/etc/resolv.conf
    echo "nameserver $dns2" >>/etc/resolv.conf
    test_network
    if [ $? -eq 1 ]; then
        set_option NETWORK "${dev} static $ip $gw $dns1 $dns2"
    fi
}

menu_network() {
    local dev addr f DEVICES

    for f in $(ls /sys/class/net); do
        [ "$f" = "lo" ] && continue
        addr=$(cat /sys/class/net/$f/address)
        DEVICES="$DEVICES $f $addr"
    done
    DIALOG --title " Select the network interface to configure " \
        --menu "$MENULABEL" ${MENUSIZE} ${DEVICES}
    if [ $? -eq 0 ]; then
        dev=$(cat $ANSWER)
        if $(echo $dev|egrep -q "^wl.*" 2>/dev/null); then
            configure_wifi $dev
        else
            configure_net $dev
        fi
    fi
}

validate_filesystems() {
    local mnts dev size fstype mntpt mkfs rootfound swapfound fmt
    local usrfound efi_system_partition

    unset TARGETFS
    mnts=$(grep -E '^MOUNTPOINT.*' $CONF_FILE)
    set -- ${mnts}
    while [ $# -ne 0 ]; do
        dev=$2; fstype=$3; size=$4; mntpt="$5"; mkfs=$6
        shift 6

        if [ "$mntpt" = "/" ]; then
            rootfound=1
        elif [ "$mntpt" = "/usr" ]; then
            usrfound=1
        elif [ "$fstype" = "vfat" -a "$mntpt" = "/boot/efi" ]; then
            efi_system_partition=1
        fi
        if [ "$mkfs" -eq 1 ]; then
            fmt="NEW FILESYSTEM: "
        fi
        if [ -z "$TARGETFS" ]; then
            TARGETFS="${fmt}$dev ($size) mounted on $mntpt as ${fstype}\n"
        else
            TARGETFS="${TARGETFS}${fmt}${dev} ($size) mounted on $mntpt as ${fstype}\n"
        fi
    done
    if [ -z "$rootfound" ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
the mount point for the root filesystem (/) has not yet been configured." ${MSGBOXSIZE}
        return 1
    elif [ -n "$usrfound" ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
/usr mount point has been configured but is not supported, please remove it to continue." ${MSGBOXSIZE}
        return 1
    elif [ -n "$EFI_SYSTEM" -a -z "$efi_system_partition" ]; then
        DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
The EFI System Partition has not yet been configured, please create it\n
as FAT32, mountpoint /boot/efi and at least with 100MB of size." ${MSGBOXSIZE}
    fi
    FILESYSTEMS_DONE=1
}

create_filesystems() {
    local mnts dev mntpt fstype mkfs size rv uuid

    mnts=$(grep -E '^MOUNTPOINT.*' $CONF_FILE)
    set -- ${mnts}
    while [ $# -ne 0 ]; do
        dev=$2; fstype=$3; mntpt="$5"; mkfs=$6
        shift 6

        # swap partitions
        if [ "$fstype" = "swap" ]; then
            swapoff $dev >/dev/null 2>&1
            if [ "$mkfs" -eq 1 ]; then
                mkswap $dev >$LOG 2>&1
                if [ $? -ne 0 ]; then
                    DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
failed to create swap on ${dev}!\ncheck $LOG for errors." ${MSGBOXSIZE}
                    DIE 1
                fi
            fi
            swapon $dev >$LOG 2>&1
            if [ $? -ne 0 ]; then
                DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
failed to activate swap on $dev!\ncheck $LOG for errors." ${MSGBOXSIZE}
                DIE 1
            fi
            # Add entry for target fstab
            uuid=$(blkid -o value -s UUID "$dev")
            echo "UUID=$uuid none swap sw 0 0" >>$TARGET_FSTAB
            continue
        fi

        if [ "$mkfs" -eq 1 ]; then
            case "$fstype" in
            btrfs) MKFS="mkfs.btrfs -f"; modprobe btrfs >$LOG 2>&1;;
            ext2) MKFS="mke2fs -F"; modprobe ext2 >$LOG 2>&1;;
            ext3) MKFS="mke2fs -F -j"; modprobe ext3 >$LOG 2>&1;;
            ext4) MKFS="mke2fs -F -t ext4"; modprobe ext4 >$LOG 2>&1;;
            f2fs) MKFS="mkfs.f2fs"; modprobe f2fs >$LOG 2>&1;;
            vfat) MKFS="mkfs.vfat -F32"; modprobe vfat >$LOG 2>&1;;
            xfs) MKFS="mkfs.xfs -f"; modprobe xfs >$LOG 2>&1;;
            esac
            DIALOG --infobox "Creating filesystem $fstype on $dev for $mntpt ..." 8 60
            echo "Running $MKFS $dev..." >$LOG
            $MKFS $dev >$LOG 2>&1; rv=$?
            if [ $rv -ne 0 ]; then
                DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
failed to create filesystem $fstype on $dev!\ncheck $LOG for errors." ${MSGBOXSIZE}
                DIE 1
            fi
        fi
        # Mount rootfs the first one.
        [ "$mntpt" != "/" ] && continue
        mkdir -p $TARGETDIR
        echo "Mounting $dev on $mntpt ($fstype)..." >$LOG
        mount -t $fstype $dev $TARGETDIR >$LOG 2>&1
        if [ $? -ne 0 ]; then
            DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
failed to mount $dev on ${mntpt}! check $LOG for errors." ${MSGBOXSIZE}
            DIE 1
        fi
        # Add entry to target fstab
        uuid=$(blkid -o value -s UUID "$dev")
        echo "UUID=$uuid $mntpt $fstype defaults 0 1" >>$TARGET_FSTAB
    done

    # mount all filesystems in target rootfs
    mnts=$(grep -E '^MOUNTPOINT.*' $CONF_FILE)
    set -- ${mnts}
    while [ $# -ne 0 ]; do
        dev=$2; fstype=$3; mntpt="$5"
        shift 6
        [ "$mntpt" = "/" -o "$fstype" = "swap" ] && continue
        mkdir -p ${TARGETDIR}${mntpt}
        echo "Mounting $dev on $mntpt ($fstype)..." >$LOG
        mount -t $fstype $dev ${TARGETDIR}${mntpt} >$LOG 2>&1
        if [ $? -ne 0 ]; then
            DIALOG --msgbox "${BOLD}${RED}ERROR:${RESET} \
failed to mount $dev on $mntpt! check $LOG for errors." ${MSGBOXSIZE}
            DIE
        fi
        # Add entry to target fstab
        uuid=$(blkid -o value -s UUID "$dev")
        echo "UUID=$uuid $mntpt $fstype defaults 0 1" >>$TARGET_FSTAB
    done
}

mount_filesystems() {
    for f in sys proc dev; do
        [ ! -d $TARGETDIR/$f ] && mkdir $TARGETDIR/$f
        echo "Mounting $TARGETDIR/$f..." >$LOG
        mount --bind /$f $TARGETDIR/$f >$LOG 2>&1
    done
}

umount_filesystems() {
    local f

    for f in sys/fs/fuse/connections sys proc dev; do
        echo "Unmounting $TARGETDIR/$f..." >$LOG
        umount $TARGETDIR/$f >$LOG 2>&1
    done
    local mnts="$(grep -E '^MOUNTPOINT.*$' $CONF_FILE)"
    set -- ${mnts}
    while [ $# -ne 0 ]; do
        local dev=$2; local fstype=$3; local mntpt=$5
        shift 6
        if [ "$fstype" = "swap" ]; then
            echo "Disabling swap space on $dev..." >$LOG
            swapoff $dev >$LOG 2>&1
            continue
        fi
        if [ "$mntpt" != "/" ]; then
            echo "Unmounting $TARGETDIR/$mntpt..." >$LOG
            umount $TARGETDIR/$mntpt >$LOG 2>&1
        fi
    done
    echo "Unmounting $TARGETDIR..." >$LOG
    umount $TARGETDIR >$LOG 2>&1
}

copy_rootfs() {
    DIALOG --title "Check /dev/tty7 for details" \
        --infobox "Copying live image to target rootfs, please wait ..." 4 60
    LANG=C cp -axvnu / $TARGETDIR >$LOG 2>&1
    if [ $? -ne 0 ]; then
        DIE 1
    fi
}

install_packages() {
    local _grub= _syspkg=

    if [ -n "$EFI_SYSTEM" ]; then
        _grub="grub-x86_64-efi"
    else
        _grub="grub"
    fi

    _syspkg="base-system"

    mkdir -p $TARGETDIR/var/db/xbps/keys $TARGETDIR/usr/share/xbps
    cp -a /usr/share/xbps/repo.d $TARGETDIR/usr/share/xbps/
    cp /var/db/xbps/keys/*.plist $TARGETDIR/var/db/xbps/keys
    mkdir -p $TARGETDIR/boot/grub
    stdbuf -oL xbps-install  -r $TARGETDIR -Sy ${_syspkg} ${_grub} 2>&1 | \
        DIALOG --title "Installing base system packages..." \
        --programbox 24 80
    if [ $? -ne 0 ]; then
        DIE 1
    fi
}

enable_dhcpd() {
    if [ "$SYSTEMD_INIT" -eq 1 ]; then
        chroot $TARGETDIR systemctl enable dhcpcd.service >$LOG 2>&1
    else
        ln -s /etc/sv/dhcpcd $TARGETDIR/etc/runit/runsvdir/default/dhcpcd
    fi
}

menu_install() {
    # Don't continue if filesystems are not ready.
    validate_filesystems || return 1

    ROOTPASSWORD_DONE="$(get_option ROOTPASSWORD)"
    BOOTLOADER_DONE="$(get_option BOOTLOADER)"

    if [ -z "$FILESYSTEMS_DONE" ]; then
        DIALOG --msgbox "${BOLD}Required filesystems were not configured, \
please do so before starting the installation.${RESET}" ${MSGBOXSIZE}
        return 1
    elif [ -z "$ROOTPASSWORD_DONE" ]; then
        DIALOG --msgbox "${BOLD}The root password has not been configured, \
please do so before starting the installation.${RESET}" ${MSGBOXSIZE}
        return 1
    elif [ -z "$BOOTLOADER_DONE" ]; then
        DIALOG --msgbox "${BOLD}The disk to install the bootloader has not been \
configured, please do so before starting the installation.${RESET}" ${MSGBOXSIZE}
        return 1
    fi

    DIALOG --yesno "${BOLD}The following operations will be executed:${RESET}\n\n
${BOLD}${TARGETFS}${RESET}\n
${BOLD}${RED}WARNING: data on partitions will be COMPLETELY DESTROYED for new \
filesystems.${RESET}\n\n
${BOLD}Do you want to continue?${RESET}" 20 80 || return
    unset TARGETFS

    # Create and mount filesystems
    create_filesystems

    # If source not set use defaults.
    if [ "$(get_option SOURCE)" = "local" -o -z "$SOURCE_DONE" ]; then
        copy_rootfs
        . /etc/default/live.conf
        # Disable autologin and remove motd from live image.
        if [ "$SYSTEMD_INIT" -eq 1 ]; then
            rm -f $TARGETDIR/etc/systemd/system/getty@.service
        else
            sed -e "s,-a $USERNAME,,g" -i $TARGETDIR/etc/sv/agetty-tty1/run
        fi
        rm -f $TARGETDIR/etc/motd
        # Remove live user.
        echo "Removing $USERNAME live user from targetdir ..." >$LOG
        chroot $TARGETDIR userdel -r $USERNAME >$LOG 2>&1
        DIALOG --title "Check /dev/tty7 for details" \
            --infobox "Rebuilding initramfs for target ..." 4 60
        echo "Rebuilding initramfs for target ..." >$LOG
        chroot $TARGETDIR dracut --force >>$LOG 2>&1
        DIALOG --title "Check /dev/tty7 for details" \
            --infobox "Removing temporary packages from target ..." 4 60
        echo "Removing temporaray packages from target ..." >$LOG
        xbps-remove -r $TARGETDIR -Ry dialog >>$LOG 2>&1
        rmdir $TARGETDIR/mnt/target
        # mount required fs
        mount_filesystems
    else
        # mount required fs
        mount_filesystems
        # network install, use packages.
        install_packages
    fi

    DIALOG --infobox "Applying installer settings..." 4 60

    # copy target fstab.
    install -Dm644 $TARGET_FSTAB $TARGETDIR/etc/fstab
    # Mount /tmp as tmpfs.
    echo "tmpfs /tmp tmpfs defaults,nosuid,nodev 0 0" >> $TARGETDIR/etc/fstab


    # set up keymap, locale, timezone, hostname and root passwd.
    set_keymap
    set_locale
    set_timezone
    set_hostname
    set_rootpassword

    # Copy /etc/skel files for root.
    cp $TARGETDIR/etc/skel/.[bix]* $TARGETDIR/root

    # network settings for target
    if [ -n "$NETWORK_DONE" ]; then
        local net="$(get_option NETWORK)"
        set -- ${net}
        local _dev="$1" _type="$2" _ip="$3" _gw="$4" _dns1="$5" _dns2="$6"
        if [ -z "$_type" ]; then
            # network type empty??!!!
            :
        elif [ "$_type" = "dhcp" ]; then
            if [ -f /etc/wpa_supplicant/wpa_supplicant-${_dev}.conf ]; then
                cp /etc/wpa_supplicant/wpa_supplicant-${_dev}.conf $TARGETDIR/etc/wpa_supplicant
                if [ "$SYSTEMD_INIT" -eq 1 ]; then
                    chroot $TARGETDIR systemctl enable dhcpcd@${_dev}.service >$LOG 2>&1
                else
                    ln -s /etc/sv/dhcpcd-${_dev} $TARGETDIR/etc/runit/runsvdir/default/dhcpcd-${_dev}
                fi
            else
                enable_dhcpd
            fi
        elif [ -n "$dev" -a -n "$type" = "static" ]; then
            # static IP through dhcpcd.
            mv $TARGETDIR/etc/dhcpcd.conf $TARGETDIR/etc/dhdpcd.conf.orig
            echo "# Static IP configuration set by the void-installer for $_dev." \
                >$TARGETDIR/etc/dhcpcd.conf
            echo "interface $_dev" >>$TARGETDIR/etc/dhcpcd.conf
            echo "static ip_address=$_ip" >>$TARGETDIR/etc/dhcpcd.conf
            echo "static routers=$_gw" >>$TARGETDIR/etc/dhcpcd.conf
            echo "static domain_name_servers=$_dns1 $_dns2" >>$TARGETDIR/etc/dhcpcd.conf
            enable_dhcpd
        fi
    fi

    # install bootloader.
    set_bootloader
    sync && sync && sync

    # unmount all filesystems.
    umount_filesystems

    # installed successfully.
    DIALOG --yesno "${BOLD}Void Linux has been installed successfully!${RESET}\n
Do you want to reboot the system?" ${YESNOSIZE}
    if [ $? -eq 0 ]; then
        shutdown -r now
    else
        return
    fi
}

menu_source() {
    local src=

    DIALOG --title " Select installation source " \
        --menu "$MENULABEL" 8 70 0 \
        "Local" "Packages from ISO image" \
        "Network" "Packages from official remote reposity"
    case "$(cat $ANSWER)" in
        "Local") src="local";;
        "Network") src="net"; menu_network;;
        *) return 1;;
    esac
    SOURCE_DONE=1
    set_option SOURCE $src
}

menu() {
    if [ -z "$DEFITEM" ]; then
        DEFITEM="Keyboard"
    fi

    DIALOG --default-item $DEFITEM \
        --extra-button --extra-label "Settings" \
        --title " Void Linux installation menu " \
        --menu "$MENULABEL" 10 70 0 \
        "Keyboard" "Set system keyboard" \
        "Network" "Set up the network" \
        "Source" "Set source installation" \
        "Hostname" "Set system hostname" \
        "Locale" "Set system locale" \
        "Timezone" "Set system time zone" \
        "RootPassword" "Set system root password" \
        "BootLoader" "Set disk to install bootloader" \
        "Partition" "Partition disk(s)" \
        "Filesystems" "Configure filesystems and mount points" \
        "Install" "Start installation with saved settings" \
        "Exit" "Exit installation"

    if [ $? -eq 3 ]; then
        # Show settings
        cp $CONF_FILE /tmp/conf_hidden.$$;
        sed -i "s/^ROOTPASSWORD.*/ROOTPASSWORD <-hidden->/" /tmp/conf_hidden.$$
        DIALOG --title "Saved settings for installation" --textbox /tmp/conf_hidden.$$ 14 60
        rm /tmp/conf_hidden.$$
        return
    fi

    case $(cat $ANSWER) in
        "Keyboard") menu_keymap && [ -n "$KEYBOARD_DONE" ] && DEFITEM="Network";;
        "Network") menu_network && [ -n "$NETWORK_DONE" ] && DEFITEM="Source";;
        "Source") menu_source && [ -n "$SOURCE_DONE" ] && DEFITEM="Hostname";;
        "Hostname") menu_hostname && [ -n "$HOSTNAME_DONE" ] && DEFITEM="Locale";;
        "Locale") menu_locale && [ -n "$LOCALE_DONE" ] && DEFITEM="Timezone";;
        "Timezone") menu_timezone && [ -n "$TIMEZONE_DONE" ] && DEFITEM="RootPassword";;
        "RootPassword") menu_rootpassword && [ -n "$ROOTPASSWORD_DONE" ] && DEFITEM="BootLoader";;
        "BootLoader") menu_bootloader && [ -n "$BOOTLOADER_DONE" ] && DEFITEM="Partition";;
        "Partition") menu_partitions && [ -n "$PARTITIONS_DONE" ] && DEFITEM="Filesystems";;
        "Filesystems") menu_filesystems && [ -n "$FILESYSTEMS_DONE" ] && DEFITEM="Install";;
        "Install") menu_install;;
        "Exit") DIE;;
        *) DIALOG --yesno "Abort Installation?" ${YESNOSIZE} && DIE
    esac
}

#
# main()
#
DIALOG --title "${BOLD}${RED} Enter the void ... ${RESET}" --msgbox "\n
Welcome to the Void Linux installation. A simple and minimal \
Linux distribution made from scratch and built from the source package tree \
available for XBPS, a new alternative binary package system.\n\n
The installation should be pretty straightforward, if you are in trouble \
please join us at ${BOLD}#xbps on irc.freenode.org${RESET}.\n\n
${BOLD}http://www.voidlinux.eu${RESET}\n\n" 16 80

while true; do
    menu
done

exit 0
# vim: set ts=4 sw=4 et: