assert(getprop("ro.product.device") == "z2" || getprop("ro.build.product") == "z2" || 
       getprop("ro.product.device") == "Z2" || getprop("ro.build.product") == "Z2" || 
       getprop("ro.product.device") == "z2plus" || getprop("ro.build.product") == "z2plus" || 
       getprop("ro.product.device") == "z2_plus" || getprop("ro.build.product") == "z2_plus" || abort("E3004: This package is for device: z2,Z2,z2plus,z2_plus; this device is " + getprop("ro.product.device") + "."););
ui_print("Target: ZUK/z2_plus/z2_plus:7.0/NRD90M/3.1.117_171110:user/release-keys");
ifelse(is_mounted("/system"), unmount("/system"));
package_extract_dir("install", "/tmp/install");
set_metadata_recursive("/tmp/install", "uid", 0, "gid", 0, "dmode", 0755, "fmode", 0644);
set_metadata_recursive("/tmp/install/bin", "uid", 0, "gid", 0, "dmode", 0755, "fmode", 0755);
mount("ext4", "EMMC", "/dev/block/bootdevice/by-name/system", "/system", "");
run_program("/tmp/install/bin/backuptool.sh", "backup", "/system");
unmount("/system");
show_progress(0.650000, 0);
ui_print("Patching system image unconditionally...");
block_image_update("/dev/block/bootdevice/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat") ||
  abort("E1001: Failed to update system image.");
show_progress(0.100000, 0);
ui_print("Patching vendor image unconditionally...");
block_image_update("/dev/block/bootdevice/by-name/factory", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");
show_progress(0.020000, 10);
mount("ext4", "EMMC", "/dev/block/bootdevice/by-name/system", "/system", "");
run_program("/tmp/install/bin/backuptool.sh", "restore", "/system");
unmount("/system");
mount("ext4", "EMMC", "/dev/block/bootdevice/by-name/system", "/system", "");
run_program("/system/bin/clean_cache.sh");
unmount("/system");
mount("ext4", "EMMC", "/dev/block/bootdevice/by-name/system", "/system", "");
run_program("/system/bin/clean_cache.sh");
unmount("/system");
show_progress(0.050000, 5);
package_extract_file("boot.img", "/dev/block/bootdevice/by-name/boot");
show_progress(0.200000, 10);
set_progress(1.000000);
