installer/META-INF/com/google/android/update-binary

   1 #!/sbin/sh
   2 # LazyFlasher installer backend (for helper functions only)
   3
   4 tmp=/tmp/twrp-install
   5
   6 if [ "$3" ]; then
   7         zip=$3
   8         console=/proc/$$/fd/$2
   9         # write the location of the console buffer to /tmp/console for other scripts to use
  10         echo "$console" > /tmp/console
  11 else
  12         console=$(cat /tmp/console)
  13         [ "$console" ] || console=/proc/$$/fd/1
  14 fi
  15
  16 print() {
  17         if [ "$1" ]; then
  18                 echo "ui_print $1" > "$console"
  19         else
  20                 echo "ui_print  " > "$console"
  21         fi
  22         echo
  23 }
  24
  25 abort() {
  26         [ "$1" ] && {
  27                 print "Error: $1"
  28                 print "Aborting..."
  29         }
  30         cleanup
  31         print "Failed to patch boot image!"
  32         exit 1
  33 }
  34
  35 cleanup() {
  36         [ "$zip" ] && rm /tmp/console
  37 }
  38
  39 extract() {
  40         rm -rf "$2"
  41         mkdir -p "$2"
  42         unzip -o "$1" -d "$2" || abort "Failed to extract zip to $2!"
  43 }
  44
  45 print "#########################################"
  46 print "#     TWRP installer for OnePlus 6T     #"
  47 print "#             by mauronofrio            #"
  48 print "#########################################"
  49
  50 # Unpack the installer
  51 [ "$zip" ] && {
  52         print "Unpacking the installer..."
  53         extract "$zip" "$tmp"
  54 }
  55 cd "$tmp"
  56 toolname="/magiskboot"
  57 tool="$tmp$toolname"
  58 targetfile="/boot.img"
  59 target="$tmp$targetfile"
  60
  61 chmod 755 "$tool"
  62
  63 print "Running boot image patcher on slot A..."
  64 dd if=/dev/block/bootdevice/by-name/boot_a "of=$target"
  65 "$tool" --unpack boot.img
  66 cp -f ramdisk-recovery.cpio ramdisk.cpio
  67 "$tool" --repack boot.img
  68 dd if=new-boot.img of=/dev/block/bootdevice/by-name/boot_a
  69 rm boot.img
  70 rm dtb
  71 rm kernel
  72 rm new-boot.img
  73 rm ramdisk.cpio
  74 print "Running boot image patcher on slot B..."
  75 dd if=/dev/block/bootdevice/by-name/boot_b "of=$target"
  76 "$tool" --unpack boot.img
  77 cp -f ramdisk-recovery.cpio ramdisk.cpio
  78 "$tool" --repack boot.img
  79 dd if=new-boot.img of=/dev/block/bootdevice/by-name/boot_b
  80
  81 print "Boot image patching complete"
  82
  83 #cleanup
  84 print "Done installing TWRP!"