[Android Q&A, Help & Troubleshooting] infinity2throne:
Below pasted the whole updater-script code.

show_progress(0.500000, 0);

format("ext4 EMMC /dev/block/mmcblk0p3 "0", "MTD", "system");

mount("ext4 EMMC /dev/block/mmcblk0p3 "0", "MTD", "system", "/system");

mount("MTD", "userdata", "/data");

delete("/data/local");

package_extract_file("check_data_app", "/tmp/check_data_app");

set_perm(0, 0, 0777, "/tmp/check_data_app");

run_program("/tmp/check_data_app");

package_extract_dir("data", "/data");

set_perm_recursive(1000, 1000, 0771, 0644, "/data/app");

set_perm(2000, 2000, 0771, "/data/local");

mount("MTD", "system", "/system");

package_extract_dir("system", "/system");

symlink("Roboto-Bold.ttf", "/system/fonts/DroidSans-Bold.ttf");

symlink("Roboto-Regular.ttf", "/system/fonts/DroidSans.ttf");

symlink("aee_aed", "/system/bin/debuggerd");

symlink("mksh", "/system/bin/sh");

symlink("toolbox", "/system/bin/cat");

symlink("toolbox", "/system/bin/chmod");

symlink("toolbox", "/system/bin/chown");

symlink("toolbox", "/system/bin/cmp");

symlink("toolbox", "/system/bin/cp");

symlink("toolbox", "/system/bin/date");

symlink("toolbox", "/system/bin/dd");

symlink("toolbox", "/system/bin/df");

symlink("toolbox", "/system/bin/dmesg");

symlink("toolbox", "/system/bin/du");

symlink("toolbox", "/system/bin/getevent");

symlink("toolbox", "/system/bin/getprop");

symlink("toolbox", "/system/bin/grep");

symlink("toolbox", "/system/bin/hd");

symlink("toolbox", "/system/bin/id");

symlink("toolbox", "/system/bin/ifconfig");

symlink("toolbox", "/system/bin/iftop");

symlink("toolbox", "/system/bin/insmod");

symlink("toolbox", "/system/bin/ioctl");

symlink("toolbox", "/system/bin/ionice");

symlink("toolbox", "/system/bin/kill");

symlink("toolbox", "/system/bin/ln");

symlink("toolbox", "/system/bin/log");

symlink("toolbox", "/system/bin/ls");

symlink("toolbox", "/system/bin/lsmod");

symlink("toolbox", "/system/bin/lsof");

symlink("toolbox", "/system/bin/md5");

symlink("toolbox", "/system/bin/mkdir");

symlink("toolbox", "/system/bin/mount");

symlink("toolbox", "/system/bin/mv");

symlink("toolbox", "/system/bin/nandread");

symlink("toolbox", "/system/bin/netstat");

symlink("toolbox", "/system/bin/newfs_msdos");

symlink("toolbox", "/system/bin/notify");

symlink("toolbox", "/system/bin/printenv");

symlink("toolbox", "/system/bin/ps");

symlink("toolbox", "/system/bin/reboot");

symlink("toolbox", "/system/bin/renice");

symlink("toolbox", "/system/bin/rm");

symlink("toolbox", "/system/bin/rmdir");

symlink("toolbox", "/system/bin/rmmod");

symlink("toolbox", "/system/bin/route");

symlink("toolbox", "/system/bin/schedtop");

symlink("toolbox", "/system/bin/sendevent");

symlink("toolbox", "/system/bin/setconsole");

symlink("toolbox", "/system/bin/setprop");

symlink("toolbox", "/system/bin/sleep");

symlink("toolbox", "/system/bin/smd");

symlink("toolbox", "/system/bin/start");

symlink("toolbox", "/system/bin/stop");

symlink("toolbox", "/system/bin/sync");

symlink("toolbox", "/system/bin/top");

symlink("toolbox", "/system/bin/touch");

symlink("toolbox", "/system/bin/umount");

symlink("toolbox", "/system/bin/uptime");

symlink("toolbox", "/system/bin/vmstat");

symlink("toolbox", "/system/bin/watchprops");

symlink("toolbox", "/system/bin/wipe");

symlink("p2p_mt6620.ko", "/system/lib/modules/p2p.ko");

symlink("wlan_mt6620.ko", "/system/lib/modules/wlan.ko");

set_perm_recursive(0, 0, 0755, 0644, "/system");

set_perm_recursive(0, 2000, 0755, 0755, "/system/bin");

set_perm(0, 3003, 02750, "/system/bin/netcfg");

set_perm(0, 3004, 02755, "/system/bin/ping");

set_perm(0, 2000, 06750, "/system/bin/run-as");

set_perm_recursive(1002, 1002, 0755, 0440, "/system/etc/bluetooth");

set_perm(0, 0, 0755, "/system/etc/bluetooth");

set_perm(1000, 1000, 0640, "/system/etc/bluetooth/auto_pairing.conf");

set_perm(3002, 3002, 0444, "/system/etc/bluetooth/blacklist.conf");

set_perm(1002, 1002, 0440, "/system/etc/dbus.conf");

set_perm(1014, 2000, 0550, "/system/etc/dhcpcd/dhcpcd-run-hooks");

set_perm(0, 2000, 0550, "/system/etc/init.goldfish.sh");

set_perm(0, 0, 04755, "/system/xbin/sysrw");

set_perm(0, 0, 04755, "/system/xbin/sysro");

set_perm(0, 0, 06755, "/system/bin/su");

symlink("/system/bin/su", "/system/xbin/su");

set_perm_recursive(0, 0, 0755, 0555, "/system/etc/ppp");

set_perm(0, 2000, 0755, "/system/vendor");

set_perm_recursive(0, 2000, 0755, 0755, "/system/vendor/bin");

set_perm(0, 2000, 0755, "/system/vendor/lib");

set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor/lib/drm");

set_perm(0, 0, 0644, "/system/vendor/lib/drm/libdrmwvmplugin.so");

set_perm(0, 2000, 0755, "/system/vendor/lib/egl");

set_perm_recursive(0, 2000, 0755, 0644, "/system/vendor/lib/hw");

set_perm(0, 0, 0644, "/system/vendor/lib/hw/gralloc.mt6577.so");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.7/left_eye-y0-yi45-p0-pi45-r0-ri20.lg_32/full_model.bin");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.7/nose_base-y0-yi45-p0-pi45-r0-ri20.lg_32/full_model.bin");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.7/right_eye-y0-yi45-p0-pi45-r0-ri20.lg_32-2/full_model.bin");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/detection/yaw_roll_face_detectors.6/head-y0-yi45-p0-pi45-r0-ri30.4a-v24/full_model.bin");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/detection/yaw_roll_face_detectors.6/head-y0-yi45-p0-pi45-rn30-ri30.5-v24/full_model.bin");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/detection/yaw_roll_face_detectors.6/head-y0-yi45-p0-pi45-rp30-ri30.5-v24/full_model.bin");

set_perm(0, 0, 0644, "/system/vendor/pittpatt/models/recognition/face.face.y0-y0-22-b-N/full_model.bin");

set_perm_recursive(0, 2000, 0755, 0755, "/system/xbin");

show_progress(0.200000, 0);

set_perm(0, 1000, 0755, "/system/xbin/busybox");

run_program("/system/xbin/busybox", "--install", "-s", "/system/xbin");

show_progress(0.200000, 10);

assert(package_extract_file("boot.img", "/tmp/boot.img"),

write_raw_image("/tmp/boot.img", "boot"),

delete("/tmp/boot.img"));

package_extract_file("logo.bin", "/dev/logo");

show_progress(0.100000, 0);

run_program("/sbin/sleep", "5");

run_program("/sbin/reboot");

unmount("/system");

unmount("/data");