install/scripts/1-install

   1 #
   2 # By Chih-Wei Huang <cwhuang@linux.org.tw>
   3 # Last updated 2018/02/08
   4 #
   5 # License: GNU Public License
   6 # We explicitely grant the right to use the scripts
   7 # with Android-x86 project.
   8 #
   9
  10 tempfile=/tmp/temp-$$
  11 menufile=/tmp/menu-$$
  12
  13 CPIO=cpio
  14
  15 rebooting()
  16 {
  17         dialog --title " Rebooting... " --nocancel --pause "" 8 41 1
  18         sync
  19         umount -a
  20         reboot -f
  21 }
  22
  23 auto_answer()
  24 {
  25         echo "$answer" > $tempfile
  26         unset answer
  27         test "`cat $tempfile`" != "0"
  28 }
  29
  30 set_answer_if_auto()
  31 {
  32         [ -n "$AUTO_INSTALL" ] && answer="$1"
  33 }
  34
  35 adialog()
  36 {
  37         if [ -n "$answer" ]; then
  38                 auto_answer
  39         else
  40                 dialog "$@" 2> $tempfile
  41         fi
  42 }
  43
  44 choose()
  45 {
  46         adialog --clear --title " $1 " --menu "$2" 21 79 13 --file $menufile
  47
  48         retval=$?
  49         choice=`cat $tempfile`
  50 }
  51
  52 size_gb()
  53 {
  54         printf %0.2fGB $(dc `cat $1/size` 2097152 / p)
  55 }
  56
  57 find_partition()
  58 {
  59         grep -H ^$2$ /sys/block/$1/*/partition 2> /dev/null | cut -d/ -f5
  60 }
  61
  62 list_disks()
  63 {
  64         for b in /sys/block/[shv]d[a-z] /sys/block/mmcblk? /sys/block/nvme*; do
  65                 [ -d $b ] && echo $b
  66         done
  67 }
  68
  69 auto_partition()
  70 {
  71         [ "$AUTO_INSTALL" = "force" ] || dialog --title " Auto Installer " --defaultno --yesno \
  72                 "\nYou have chosen the AUTO installation.\n\nThe installer will erase the whole /dev/$1 and install Android-x86 to it.\n\nThis is the last confirmation. Are you sure to do so?" 12 61
  73         [ $? -ne 0 ] && rebooting
  74
  75         if [ -z "$efi" ]; then
  76                 echo -e "o\nn\np\n1\n\n\nw\n" | fdisk /dev/$1
  77                 p=1
  78         else
  79                 sgdisk --zap-all /dev/$1
  80                 sgdisk --new=1::+260M --typecode=1:EF00 --largest-new=2 --typecode=2:8300 /dev/$1
  81                 p=2
  82         fi > /dev/tty6
  83
  84         while sleep 1; do
  85                 answer=`find_partition $1 $p`
  86                 [ -n "$answer" ] && break
  87         done
  88         [ -n "$efi" ] && mkdosfs -n EFI /dev/`find_partition $1 1`
  89 }
  90
  91 partition_drive()
  92 {
  93         echo -n > $menufile
  94         for i in `list_disks`; do
  95                 echo -n `basename $i` >> $menufile
  96                 if [ -f $i/removable -a `cat $i/removable` -eq 0 ]; then
  97                         echo -n ' "Harddisk ' >> $menufile
  98                 else
  99                         echo -n ' "Removable' >> $menufile
 100                 fi
 101                 if [ -f $i/size ]; then
 102                         sz=$(size_gb $i)
 103                         [ "$sz" = "0.00GB" ] && sz="<0.01GB"
 104                         printf " %10s" $sz >> $menufile
 105                 fi
 106                 for f in $i/device/model $i/*/name; do
 107                         [ -e $f ] && echo -n " `sed $'s/\x04//g' $f`" >> $menufile && break
 108                 done
 109                 [ "`basename $i`" = "$booted_from" -o -d $i/$booted_from ] && echo -n " *" >> $menufile
 110                 echo '"' >> $menufile
 111         done
 112         count=`wc -l < $menufile`
 113         if [ $count -eq 0 ]; then
 114                 dialog --title " Error " --msgbox \
 115                         "\nOK. There is no hard drive to edit partitions." 8 49
 116                 return 255
 117         fi
 118
 119         if [ $count -eq 1 -o "$AUTO_INSTALL" = "force" ]; then
 120                 drive=1
 121         else
 122                 drive=`basename $AUTO_INSTALL`
 123         fi
 124         choice=`awk -v n=$drive '{ if (n == NR || n == $1) print $1 }' $menufile`
 125         if [ -b /dev/$choice ]; then
 126                 retval=0
 127         else
 128                 choose "Choose Drive" "Please select a drive to edit partitions:\n\n* - Installer source"
 129         fi
 130         if [ $retval -eq 0 ]; then
 131                 if [ -n "$AUTO_INSTALL" ]; then
 132                         auto_partition $choice
 133                         return 1
 134                 fi
 135                 dialog --title " Confirm " --defaultno --yesno "\n Do you want to use GPT?" 7 29
 136                 if [ $? -eq 0 ]; then
 137                         cgdisk /dev/$choice
 138                 else
 139                         cfdisk /dev/$choice
 140                 fi
 141                 if [ $? -eq 0 ]; then
 142                         retval=1
 143                 else
 144                         retval=255
 145                 fi
 146         fi
 147         return $retval
 148 }
 149
 150 select_dev()
 151 {
 152         blkid | grep -v -E "^/dev/block/|^/dev/loop" | cut -b6- | sort | awk '{
 153                 l=""
 154                 t="unknown"
 155                 sub(/:/, "", $1)
 156                 for (i = NF; i > 1; --i)
 157                         if (match($i, "^TYPE")) {
 158                                 t=$i
 159                                 gsub(/TYPE=|"/, "", t)
 160                         } else if (match($i, "^LABEL")) {
 161                                 l=$i
 162                                 gsub(/LABEL=|"/, "", l)
 163                         }
 164                 printf("%-11s%-12s%-18s\n", $1, t, l)
 165         }' > $tempfile
 166
 167         for d in `ls /sys/block`; do
 168                 for i in /sys/block/$d/$d*; do
 169                         [ -d $i ] || continue
 170                         echo $i | grep -qE "loop|ram|sr|boot|rpmb" && continue
 171                         f=$(grep "`basename $i`" $tempfile || printf "%-11s%-29s" `basename $i` unknown)
 172                         sz=$(size_gb $i)
 173                         [ "$sz" = "0.00GB" ] || printf "$f%10s\n" $sz
 174                 done
 175         done | awk -v b=$booted_from '{
 176                 if (!match($1, b)) {
 177                         printf("\"%s\" \"", $0)
 178                         system("cd /sys/block/*/"$1"; for f in ../device/model ../device/name; do [ -e $f ] && printf %-17s \"`cat $f`\" && break; done")
 179                         printf("\"\n")
 180                 }
 181         } END {
 182                 printf("\"\" \"\"\n\"Create/Modify partitions\" \"\"\n\"Detect devices\" \"\"")
 183         }' > $menufile
 184         choose "Choose Partition" "Please select a partition to install Android-x86:\n\nRecommended minimum free space - 4GB  |  Optimum free space >= 8GB\n\nPartition | Filesystem | Label            | Size     | Drive name/model"
 185         return $retval
 186 }
 187
 188 progress_bar()
 189 {
 190         dialog --clear --title " $1 " --gauge "\n $2" 8 70
 191 }
 192
 193 convert_fs()
 194 {
 195         if blkid /dev/$1 | grep -q ext2; then
 196                 /system/bin/tune2fs -j /dev/$1
 197                 e2fsck -fy /dev/$1
 198         fi
 199         if blkid /dev/$1 | grep -q ext3; then
 200                 /system/bin/tune2fs -O extents,uninit_bg /dev/$1
 201                 e2fsck -fy /dev/$1
 202         fi
 203 }
 204
 205 format_fs()
 206 {
 207         local cmd
 208         echo -e '"Do not format" ""\next4 ""\nntfs ""\nfat32 ""' > $menufile
 209         set_answer_if_auto $FORCE_FORMAT
 210         choose "Choose filesystem" "Please select a filesystem to format $1:"
 211         case "$choice" in
 212                 ext4)
 213                         cmd="make_ext4fs -L"
 214                         ;;
 215                 ntfs)
 216                         cmd="mkntfs -fL"
 217                         ;;
 218                 fat32)
 219                         cmd="mkdosfs -n"
 220                         ;;
 221                 *)
 222                         ;;
 223         esac
 224         if [ -n "$cmd" ]; then
 225                 [ -n "$AUTO_INSTALL" ] || dialog --title " Confirm " --defaultno --yesno \
 226                         "\n You chose to format $1 to $choice.\n All data in that partition will be LOST.\n\n Are you sure to format the partition $1?" 10 59
 227                 [ $? -ne 0 ] && return 1
 228                 $cmd Android-x86 /dev/$1 | awk '{
 229                         # FIXME: very imprecise progress
 230                         if (match($0, "done"))
 231                                 printf("%d\n", i+=33)
 232                 }' | progress_bar "Formatting" "Formatting partition $1..."
 233         elif blkid /dev/$1 | grep -q ext[23]; then
 234                 dialog --clear --title " Warning " --yesno \
 235                         "\nYou chose to install android-x86 to an ext2/3 filesystem. We suggest you convert it to ext4 for better reliability and performance." 9 62
 236                 [ $? -eq 0 ] && convert_fs $1
 237         fi
 238 }
 239
 240 create_entry()
 241 {
 242         title=$1
 243         shift
 244         echo -e "title $title\n\tkernel /$asrc/kernel$vga $@ SRC=/$asrc\n\tinitrd /$asrc/initrd.img\n" >> $menulst
 245 }
 246
 247 create_menulst()
 248 {
 249         menulst=/hd/grub/menu.lst
 250         [ -n "$VESA" ] && vga=" vga=788 modeset=0"
 251         echo -e "${GRUB_OPTIONS:-default=0\ntimeout=6\nsplashimage=/grub/android-x86.xpm.gz\n}root (hd0,$1)\n" > $menulst
 252
 253         create_entry "Android-x86 $VER" quiet $cmdline
 254         create_entry "Android-x86 $VER (Debug mode)" $cmdline DEBUG=2
 255         create_entry "Android-x86 $VER (Debug nomodeset)" nomodeset $cmdline DEBUG=2
 256         create_entry "Android-x86 $VER (Debug video=LVDS-1:d)" video=LVDS-1:d $cmdline DEBUG=2
 257 }
 258
 259 create_winitem()
 260 {
 261         win=`fdisk -l /dev/$(echo $1 | cut -b-3) | grep ^/dev | cut -b6-12,55- | awk '{
 262                 if (match($2, "NTFS"))
 263                         print $1
 264         }' | head -1`
 265         if [ -n "$win" ]; then
 266                 dialog --title " Confirm " --yesno \
 267                         "\nThe installer found a Windows partition in /dev/$win.\n\nDo you want to create a boot item for Windows?" 9 59
 268                 [ $? -ne 0 ] && return 1
 269                 wp=$((`echo $win | cut -b4-`-1))
 270                 echo -e "title Windows\n\trootnoverify (hd$d,$wp)\n\tchainloader +1\n" >> $menulst
 271         fi
 272 }
 273
 274 check_data_img()
 275 {
 276         losetup /dev/loop7 data.img
 277         if blkid /dev/loop7 | grep -q ext[23]; then
 278                 dialog --clear --title " Warning " --yesno \
 279                         "\nYour data.img is an ext2/3 filesystem. We suggest you convert it to ext4 for better reliability." 8 58
 280                 [ $? -eq 0 ] && convert_fs loop7
 281         fi
 282         losetup -d /dev/loop7
 283 }
 284
 285 create_img()
 286 {
 287         bname=`basename $2`
 288         if [ -e $2 ]; then
 289                 dialog --title " Confirm " --defaultno --yesno \
 290                         "\n $bname exists. Overwrite it?" 7 38
 291                 [ $? -ne 0 ] && return 255
 292                 rm -f $2
 293         fi
 294         dialog --title " Question " --nook --nocancel --inputbox \
 295                 "\nPlease input the size of the $bname in MB:" 8 63 $1 2> $tempfile
 296         size=`cat $tempfile`
 297         [ 0$size -le 0 ] && size=1024
 298         ( dd bs=1M count=$size if=/dev/zero | pv -ns ${size}m | dd of=$2 ) 2>&1 \
 299                 | progress_bar "Creating $bname" "Expect to write $size MB..."
 300 }
 301
 302 create_data_img()
 303 {
 304         dialog --title " Confirm " --yesno \
 305                 "\nThe installer is going to create a disk image to save the user data. At least 512MB free disk space is recommended.\n\nAre you sure to create the image?" 11 62
 306
 307         if [ $? -eq 0 ]; then
 308                 if create_img 512 data.img; then
 309                         losetup /dev/loop6 data.img
 310                         make_ext4fs -L /data /dev/loop6 > /dev/tty6
 311                 fi
 312                 [ $? -ne 0 ] && dialog --msgbox "\n Failed to create data.img." 7 33
 313         else
 314                 dialog --title " Warning " --msgbox \
 315                         "\nOK. So data will be save to a RAMDISK(tmpfs), and lose after power off." 8 49
 316         fi
 317 }
 318
 319 try_upgrade()
 320 {
 321         [ -d $1 ] && return
 322         PREV_VERS="$PREV_VERS 7.1-r1 7.1-rc2 7.1-rc1 6.0-r3 6.0-r2 6.0-r1 6.0-rc2 6.0-rc1 5.1-rc1 4.4-r5 4.4-r4 4.4-r3 4.4-r2 4.4-r1 4.4-RC2 4.4-RC1 4.4-test 4.3-test 4.2-test 4.0-r1 4.0-RC2 4.0-RC1"
 323         for v in $PREV_VERS; do
 324                 local prev
 325                 if [ -d hd/$v ]; then
 326                         prev=hd/$v
 327                 elif [ -d hd/android-$v ]; then
 328                         prev=hd/android-$v
 329                 else
 330                         continue
 331                 fi
 332                 set_answer_if_auto 1
 333                 adialog --title " Question " --yesno \
 334                         "\nAn older version $v is detected.\nWould you like to upgrade it?" 8 51
 335                 if [ $? -eq 0 ]; then
 336                         mv $prev $1
 337                         rm -rf $1/data/dalvik-cache/* $1/data/system/wpa_supplicant
 338                         sed -i 's/\(ctrl_interface=\)\(.*\)/\1wlan0/' $1/data/misc/wifi/wpa_supplicant.conf
 339                         break
 340                 fi
 341         done
 342 }
 343
 344 get_part_info()
 345 {
 346         d=0
 347         while [ 1 ]; do
 348                 h=`echo $d | awk '{ printf("%c", $1+97) }'`
 349                 for part in /sys/block/[shv]d$h/$1 /sys/block/mmcblk$d/$1 /sys/block/nvme0n$(($d+1))/$1; do
 350                         [ -d $part ] && break 2
 351                 done
 352                 d=$(($d+1))
 353         done
 354         p=`cat $part/partition`
 355         disk=$(basename `dirname $part`)
 356 }
 357
 358 install_to()
 359 {
 360         local t=`echo /sys/block/*/$1/partition`
 361         [ -f "$t" ] || return 1
 362         until [ -b /dev/$1 ]; do
 363                 echo add > `dirname $t`/uevent
 364                 sleep 1
 365         done
 366         cd /
 367         mountpoint -q /hd && umount /hd
 368         [ -n "$AUTO_UPDATE" ] && FORCE_FORMAT=no || FORCE_FORMAT=ext4
 369         while [ 1 ]; do
 370                 format_fs $1
 371                 try_mount rw /dev/$1 /hd && break
 372                 dialog --clear --title " Error " --defaultno --yesno \
 373                         "\n Cannot mount /dev/$1\n Do you want to format it?" 8 37
 374                 [ $? -ne 0 ] && return 255
 375                 FORCE_FORMAT=ext4
 376         done
 377
 378         fs=`cat /proc/mounts | grep /dev/$1 | awk '{ print $3 }'`
 379         cmdline=`sed "s|\(initrd.*img\s*\)||; s|quiet\s*||; s|\(vga=\w\+\?\s*\)||; s|\(DPI=\w\+\?\s*\)||; s|\(AUTO_INSTALL=\w\+\?\s*\)||; s|\(INSTALL=\w\+\?\s*\)||; s|\(SRC=\S\+\?\s*\)||; s|\(DEBUG=\w\+\?\s*\)||; s|\(BOOT_IMAGE=\S\+\?\s*\)||; s|\(iso-scan/filename=\S\+\?\s*\)||; s|[[:space:]]*$||" /proc/cmdline`
 380
 381         [ -n "$INSTALL_PREFIX" ] && asrc=$INSTALL_PREFIX || asrc=android-$VER
 382         set_answer_if_auto 1
 383         [ -z "$efi" ] && adialog --title " Confirm " --no-label Skip --defaultno --yesno \
 384                 "\n Do you want to install boot loader GRUB?" 7 47
 385         if [ $? -eq 0 ]; then
 386                 cp -af /grub /hd
 387                 get_part_info $1
 388                 p=$(($p-1))
 389                 create_menulst $p
 390                 create_winitem $1 $d
 391                 rm -f /hd/boot/grub/stage1
 392                 echo "(hd$d) /dev/$disk" > /hd/grub/device.map
 393                 echo "setup (hd$d) (hd$d,$p)" | grub --device-map /hd/grub/device.map > /dev/tty5
 394                 [ $? -ne 0 ] && return 255
 395         fi
 396
 397         [ -n "$efi" ] && adialog --title " Confirm " --no-label Skip --yesno \
 398                 "\n Do you want to install EFI GRUB2?" 7 39
 399         if [ $? -eq 0 ]; then
 400                 [ -z "$AUTO_INSTALL" -o -n "$AUTO_UPDATE" ] && for i in `list_disks`; do
 401                         disk=`basename $i`
 402                         esp=`sgdisk --print /dev/$disk 2> /dev/null | grep EF00 | awk '{print $1}'`
 403                         [ -n "$esp" ] && boot=`find_partition $disk $esp` && break
 404                 done
 405                 if [ -z "$esp" ]; then
 406                         get_part_info $1
 407                         boot=$(blkid /dev/$disk* | grep vfat | cut -d: -f1 | head -1)
 408                         [ -z "$boot" ] && boot=`find_partition $disk 1` || boot=`basename $boot`
 409                         esp=`cat /sys/block/$disk/$boot/partition`
 410                 fi
 411                 mkdir -p efi
 412                 mountpoint -q efi && umount efi
 413                 until try_mount rw /dev/$boot efi; do
 414                         dialog --title " Confirm " --defaultno --yesno "\n Cannot mount /dev/$boot.\n Do you want to format it?" 8 37
 415                         [ $? -eq 0 ] && mkdosfs -n EFI /dev/$boot
 416                 done
 417                 if [ "$efi" = "32" ]; then
 418                         grubcfg=efi/boot/grub/i386-efi/grub.cfg
 419                         bootefi=bootia32.efi
 420                 else
 421                         grubcfg=efi/boot/grub/x86_64-efi/grub.cfg
 422                         bootefi=BOOTx64.EFI
 423                 fi
 424                 if [ -d efi/efi/boot -a ! -s efi/efi/boot/android.cfg ]; then
 425                         efidir=/efi/Android
 426                 else
 427                         efidir=/efi/boot
 428                         rm -rf efi/efi/Android
 429                 fi
 430                 mkdir -p `dirname $grubcfg` efi$efidir
 431                 cp -af grub2/efi/boot/* efi$efidir
 432                 sed -i "s|VER|$VER|; s|CMDLINE|$cmdline|" efi$efidir/android.cfg
 433                 [ -s efi/boot/grub/grubenv ] || ( printf %-1024s "# GRUB Environment Block%" | sed 's/k%/k\n/; s/   /###/g' > efi/boot/grub/grubenv )
 434
 435                 echo -e 'set timeout=5\nset debug_mode="(DEBUG mode)"' > $grubcfg
 436                 # Our grub-efi doesn't support ntfs directly.
 437                 # Copy boot files to ESP so grub-efi could read them
 438                 if [ "$fs" = "fuseblk" ]; then
 439                         cp -f src/kernel src/initrd.img efi$efidir
 440                         echo -e "set kdir=$efidir\nset src=SRC=/$asrc" >> $grubcfg
 441                 else
 442                         echo -e "set kdir=/$asrc" >> $grubcfg
 443                 fi
 444                 echo -e '\nsource $cmdpath/android.cfg' >> $grubcfg
 445
 446                 # Checking for old EFI entries, removing them and adding new depending on bitness
 447                 efibootmgr | grep -Eo ".{0,6}Android-x86" | cut -c1-4 > /tmp/efientries
 448                 if [ -s /tmp/efientries ]; then
 449                         set_answer_if_auto 1
 450                         adialog --title " Question " --yesno "\nEFI boot entries for previous Android-x86 installations were found.\n\nDo you wish to delete them?" 10 61
 451                         [ $? -eq 0 ] && while read entry; do efibootmgr -Bb "$entry" > /dev/tty4 2>&1; done < /tmp/efientries
 452                 fi
 453                 efibootmgr -v -c -d /dev/$disk -p $esp -L "Android-x86 $VER" -l $efidir/$bootefi > /dev/tty4 2>&1
 454
 455                 if [ -s efi/startup.nsh ]; then
 456                         sed -i "s|\\\\efi\\\\Android|$efidir|; s|/|\\\\|g" efi/startup.nsh
 457                 else
 458                         echo $efidir/$bootefi | sed 's|/|\\|g' > efi/startup.nsh
 459                 fi
 460         fi
 461
 462         set_answer_if_auto 0
 463         adialog --title " Question " --defaultno --yesno \
 464                 "\nDo you want to install /system directory as read-write?\n\nMaking /system be read-write is easier for debugging, but it needs more disk space and longer installation time." 10 61
 465         instal_rw=$?
 466
 467         files="mnt/$SRC/kernel mnt/$SRC/initrd.img mnt/$SRC/$RAMDISK"
 468         if [ $instal_rw -eq 0 ]; then
 469                 if [ "$fs" = "vfat" -o "$fs" = "fuseblk" ]; then
 470                         [ -e /sfs/system.img ] && sysimg="/sfs/system.img" || sysimg="mnt/$SRC/system.*"
 471                 else
 472                         sysimg="android/system"
 473                 fi
 474         else
 475                 sysimg="mnt/$SRC/system.*"
 476         fi
 477         files="$files $sysimg"
 478         size=0
 479         for s in `du -sk $files | awk '{print $1}'`; do
 480                 size=$(($size+$s))
 481         done
 482         try_upgrade hd/$asrc
 483         mkdir -p hd/$asrc
 484         cd hd/$asrc
 485         rm -rf system*
 486         ( ( cd /; find $files | $CPIO -H newc -o ) | pv -ns ${size}k | ( $CPIO -iud > /dev/null; echo $? > /tmp/result )) 2>&1 \
 487                 | progress_bar "Installing Android-x86 to $1" "Expect to write $size KB..."
 488         result=$((`cat /tmp/result`*255))
 489
 490         if [ $result -eq 0 ]; then
 491                 for d in android mnt sfs ./$SRC; do
 492                         [ -d $d ] && mv $d/* . && rmdir $d
 493                 done
 494                 chown 0.0 *
 495                 for f in *; do
 496                         [ -d $f ] || chmod 644 $f
 497                 done
 498
 499                 case "$fs" in
 500                         vfat|fuseblk)
 501                                 [ -e data.img ] && check_data_img || create_data_img
 502                                 ;;
 503                         *)
 504                                 mkdir -p data
 505                                 ;;
 506                 esac
 507         fi
 508
 509         dialog --infobox "\n Syncing to disk..." 5 27
 510         sync
 511
 512         return $result
 513 }
 514
 515 install_hd()
 516 {
 517         case "$AUTO_INSTALL" in
 518                 [Uu]*)
 519                         answer=`basename $(blkid | grep -v loop | grep -v iso9660 | sort | grep Android-x86 | cut -d: -f1 | head -1)`
 520                         [ -z "$answer" ] && answer=`basename $(blkid | grep -v loop | sort | grep ext4 | cut -d: -f1 | head -1)`
 521                         AUTO_UPDATE=$answer
 522                         ;;
 523                 *)
 524                         [ -z "$answer" ] && set_answer_if_auto Create
 525                         ;;
 526         esac
 527
 528         select_dev || rebooting
 529         retval=1
 530         case "$choice" in
 531                 Create*)
 532                         partition_drive
 533                         retval=$?
 534                         ;;
 535                 Detect*)
 536                         dialog --title " Detecting... " --nocancel --pause "" 8 41 1
 537                         ;;
 538                 *)
 539                         install_to $choice
 540                         retval=$?
 541                         ;;
 542         esac
 543         return $retval
 544 }
 545
 546 do_install()
 547 {
 548         booted_from=`basename $dev`
 549         efi=$(cat /sys/firmware/efi/fw_platform_size 2> /dev/null)
 550         [ -n "$efi" ] && mount -t efivarfs none /sys/firmware/efi/efivars
 551
 552         until install_hd; do
 553                 if [ $retval -eq 255 ]; then
 554                         dialog --title ' Error! ' --yes-label Retry --no-label Reboot \
 555                                 --yesno '\nInstallation failed! Please check if you have enough free disk space to install Android-x86.' 8 51
 556                         [ $? -eq 1 ] && rebooting
 557                 fi
 558         done
 559
 560         [ -n "$VESA" ] || runit="Run Android-x86"
 561         dialog --clear --title ' Congratulations! ' \
 562                 --menu "\n Android-x86 is installed successfully.\n " 11 51 13 \
 563                 "$runit" "" "Reboot" "" 2> $tempfile
 564         case "`cat $tempfile`" in
 565                 Run*)
 566                         cd /android
 567                         umount system
 568                         mountpoint -q /sfs && umount /sfs
 569                         if [ -e /hd/$asrc/system.sfs ]; then
 570                                 mount -o loop /hd/$asrc/system.sfs /sfs
 571                                 mount -o loop /sfs/system.img system
 572                         elif [ -e /hd/$asrc/system.img ]; then
 573                                 mount -o loop /hd/$asrc/system.img system
 574                         else
 575                                 mount --bind /hd/$asrc/system system
 576                         fi
 577                         if [ -d /hd/$asrc/data ]; then
 578                                 mount --bind /hd/$asrc/data data
 579                         elif [ -e /hd/$asrc/data.img ]; then
 580                                 mount -o loop /hd/$asrc/data.img data
 581                         fi
 582                         ;;
 583                 *)
 584                         rebooting
 585                         ;;
 586         esac
 587 }