install/scripts/1-install

   1 #
   2 # By Chih-Wei Huang <cwhuang@linux.org.tw>
   3 # Last updated 2012/07/07
   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=/system/xbin/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 choose()
  24 {
  25         dialog --clear --title " $1 " \
  26                 --menu "$2" 20 71 13 --file $menufile 2> $tempfile
  27
  28         retval=$?
  29         choice=`cat $tempfile`
  30 }
  31
  32 select_dev()
  33 {
  34         fdisk -l | grep ^/dev | cut -b6-12,55- | awk '{
  35                 if (!match($2, "Extended")) {
  36                         printf("\"%-28s", $0)
  37                         system("echo -n `cat /sys/block/*/"$1"/../device/model`")
  38                         printf("\" \"\"\n")
  39                 }
  40         } END {
  41                 printf("\"Create/Modify partitions\" \"\"\n\"Detect devices\" \"\"")
  42         }' > $menufile
  43         choose "Choose Partition" "Please select a partition to install Android-x86:"
  44         return $retval
  45 }
  46
  47 progress_bar()
  48 {
  49         dialog --clear --title " $1 " --gauge "\n $2" 8 70
  50 }
  51
  52 format_fs()
  53 {
  54         local cmd
  55         echo -e '"Do not format" ""\next3 ""\next2 ""\nntfs ""\nfat32 ""' > $menufile
  56         choose "Choose filesystem" "Please select a filesystem to format $1:"
  57         case "$choice" in
  58                 ext3)
  59                         cmd="mke2fs -jL"
  60                         ;;
  61                 ext2)
  62                         cmd="mke2fs -L"
  63                         ;;
  64                 ntfs)
  65                         cmd="mkntfs -fL"
  66                         ;;
  67                 fat32)
  68                         cmd="newfs_msdos -L"
  69                         ;;
  70                 *)
  71                         ;;
  72         esac
  73         if [ -n "$cmd" ]; then
  74                 dialog --title " Confirm " --no-label Skip --yesno \
  75                         "\n You chose to format $1 to $choice.\n All data in that partition will LOSE.\n\n Are you sure to format the partition $1?" 10 51
  76                 [ $? -ne 0 ] && return 1
  77                 $cmd Android-x86 /dev/$1 | awk '{
  78                         # FIXME: very imprecise progress
  79                         if (match($0, "done"))
  80                                 printf("%d\n", i+=33)
  81                 }' | progress_bar "Formatting" "Formatting partition $1..."
  82         fi
  83 }
  84
  85 create_entry()
  86 {
  87         title=$1
  88         shift
  89         echo -e "title $title\n\tkernel /$asrc/kernel$vga $@ SRC=/$asrc\n\tinitrd /$asrc/initrd.img\n" >> $menulst
  90 }
  91
  92 create_menulst()
  93 {
  94         menulst=/hd/grub/menu.lst
  95         [ -n "$VESA" ] && vga=" vga=788 modeset=0"
  96         echo -e "${GRUB_OPTIONS:-default=0\ntimeout=6\nsplashimage=/grub/android-x86.xpm.gz\n}root (hd0,$1)\n" > $menulst
  97         cmdline=`cat /proc/cmdline | sed "s|\(initrd.*img\s*\)||; s|quiet\s*||; s|\(vga=\w\+\?\s*\)||; s|\(DPI=\w\+\?\s*\)||; s|\(INSTALL=\w\+\?\s*\)||; s|\(SRC=\S\+\?\s*\)||; s|\(DEBUG=\w\+\?\s*\)||; s|\(BOOT_IMAGE.*\)||"`
  98
  99         create_entry "Android-x86 $VER" quiet $cmdline
 100         create_entry "Android-x86 $VER (Debug mode)" $cmdline DEBUG=1
 101 }
 102
 103 create_winitem()
 104 {
 105         win=`fdisk -l /dev/$(echo $1 | cut -b-3) | grep ^/dev | cut -b6-12,55- | awk '{
 106                 if (match($2, "NTFS"))
 107                         print $1
 108         }' | head -1`
 109         if [ -n "$win" ]; then
 110                 dialog --title " Confirm " --yesno \
 111                         "\nThe installer found a Windows partition in /dev/$win.\n\nDo you want to create a boot item for Windows?" 9 59
 112                 [ $? -ne 0 ] && return 1
 113                 wp=$((`echo $win | cut -b4-`-1))
 114                 echo -e "title Windows\n\trootnoverify (hd$d,$wp)\n\tchainloader +1\n" >> $menulst
 115         fi
 116 }
 117
 118 create_img()
 119 {
 120         bname=`basename $2`
 121         if [ -e $2 ]; then
 122                 dialog --title " Confirm " --defaultno --yesno \
 123                         "\n $bname exists. Overwrite it?" 7 38
 124                 [ $? -ne 0 ] && return 255
 125                 rm -f $2
 126         fi
 127         dialog --title " Question " --nook --nocancel --inputbox \
 128                 "\nPlease input the size of the $bname in MB (max 2047):" 8 63 $1 2> $tempfile
 129         size=`cat $tempfile`
 130         [ 0$size -le 0 -o 0$size -gt 2047 ] && size=2047
 131         ( dd bs=1M count=$size if=/dev/zero | pv -ns ${size}m | dd of=$2 ) 2>&1 \
 132                 | progress_bar "Creating $bname" "Expect to write $size MB..."
 133 }
 134
 135 create_data_img()
 136 {
 137         dialog --title " Confirm " --yesno \
 138                 "\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
 139
 140         if [ $? -eq 0 ]; then
 141                 if create_img 512 data.img; then
 142                         losetup /dev/loop6 data.img
 143                         mke2fs -jL /data /dev/loop6 > /dev/tty6
 144                 fi
 145                 [ $? -ne 0 ] && dialog --msgbox "\n Failed to create data.img." 7 33
 146         else
 147                 dialog --title " Warning " --msgbox \
 148                         "\nOK. So data will be save to a RAMDISK(tmpfs), and lose after power off." 8 49
 149         fi
 150 }
 151
 152 install_to()
 153 {
 154         cd /
 155         mountpoint -q /hd && umount /hd
 156         while [ 1 ]; do
 157                 format_fs $1
 158                 try_mount rw /dev/$1 /hd && break
 159                 dialog --clear --title " Error " --defaultno --yesno \
 160                         "\n Cannot mount /dev/$1\n Do you want to format it?" 8 37
 161                 [ $? -ne 0 ] && return 255
 162         done
 163
 164         fs=`cat /proc/mounts | grep /dev/$1 | awk '{ print $3 }'`
 165
 166         asrc=android-$VER
 167         dialog --title " Confirm " --no-label Skip --defaultno --yesno \
 168                 "\n Do you want to install boot loader GRUB?" 7 47
 169         if [ $? -eq 0 ]; then
 170                 cp -af /grub /hd
 171                 d=0
 172                 while [ 1 ]; do
 173                         h=`echo $d | awk '{ printf("%c", $1+97) }'`
 174                         [ -d /sys/block/[sh]d$h/$1 ] && break
 175                         d=$(($d+1))
 176                 done
 177                 p=$((`echo $1 | cut -b4-`-1))
 178                 create_menulst $p
 179                 create_winitem $1 $d
 180                 rm -f /hd/boot/grub/stage1
 181                 echo "setup (hd$d) (hd$d,$p)" | grub > /dev/tty5
 182                 [ $? -ne 0 ] && return 255
 183         fi
 184
 185         [ "$fs" != "vfat" ] && dialog --title " Question " --yesno \
 186                 "\nDo you want to install /system directory as read-write?\n\nLet /system be read-write make it easier to debug, but it needs more disk space and longer installation time." 10 61
 187         instal_rw=$?
 188
 189         files="mnt/$SRC/kernel mnt/$SRC/initrd.img mnt/$SRC/ramdisk.img"
 190         [ $instal_rw -eq 0 ] && files="$files android/system" || files="$files mnt/$SRC/system.*"
 191         size=0
 192         for s in `du -sk $files | awk '{print $1}'`; do
 193                 size=$(($size+$s))
 194         done
 195         mkdir hd/$asrc
 196         cd hd/$asrc
 197         rm -rf system*
 198         ( ( cd /; find $files | $CPIO -H newc -o ) | pv -ns ${size}k | ( $CPIO -iud > /dev/null; echo $? > /tmp/result )) 2>&1 \
 199                 | progress_bar "Installing Android-x86" "Expect to write $size KB..."
 200         result=$((`cat /tmp/result`*255))
 201
 202         if [ $result -eq 0 ]; then
 203                 chmod 644 *
 204                 chown 0.0 *
 205                 mv mnt/$SRC/* . && rm -rf mnt
 206                 [ -d android ] && mv android/* . && rmdir android
 207
 208                 case "$fs" in
 209                         vfat|fuseblk)
 210                                 create_data_img
 211                                 ;;
 212                         *)
 213                                 mkdir data
 214                                 ;;
 215                 esac
 216         fi
 217
 218         sync
 219
 220         return $result
 221 }
 222
 223 install_hd()
 224 {
 225         select_dev || rebooting
 226         retval=1
 227         case "$choice" in
 228                 [sh]d*)
 229                         install_to $choice
 230                         retval=$?
 231                         ;;
 232                 Create*)
 233                         cfdisk
 234                         ;;
 235                 Detect*)
 236                         dialog --title " Detecting... " --nocancel --pause "" 8 41 1
 237                         ;;
 238         esac
 239         return $retval
 240 }
 241
 242 do_install()
 243 {
 244         until install_hd; do
 245                 if [ $retval -eq 255 ]; then
 246                         dialog --title ' Error! ' --yes-label Retry --no-label Reboot \
 247                                 --yesno '\nInstallation failed! Please check if you have enough free disk space to install Android-x86.' 8 51
 248                         [ $? -eq 1 ] && rebooting
 249                 fi
 250         done
 251
 252         [ -n "$VESA" ] || runit="Run Android-x86"
 253         dialog --clear --title ' Congratulations! ' \
 254                 --menu "\n Android-x86 is installed successfully.\n " 11 51 13 \
 255                 "$runit" "" "Reboot" "" 2> $tempfile
 256         case "`cat $tempfile`" in
 257                 Run*)
 258                         cd /android
 259                         umount system
 260                         if mountpoint -q /sfs; then
 261                                 umount /sfs
 262                                 mount -o loop /hd/$asrc/system.sfs /sfs
 263                                 mount -o loop /sfs/system.img system
 264                         else
 265                                 mount -o loop /hd/$asrc/system.img system
 266                         fi
 267                         if [ -d /hd/$asrc/data ]; then
 268                                 mount --bind /hd/$asrc/data data
 269                         elif [ -e /hd/$asrc/data.img ]; then
 270                                 mount -o loop /hd/$asrc/data.img data
 271                         fi
 272                         ;;
 273                 *)
 274                         rebooting
 275                         ;;
 276         esac
 277 }