assert(getprop("ro.product.device") == "m20lte" || getprop("ro.build.product") == "m20lte" || abort("E3004: This package is for device: m20lte; this device is " + getprop("ro.product.device") + "."););
assert(universal7904.verify_bootloader_min("C") == "1" || abort("ERROR: This package requires Android 10 or 11 based firmware. Please upgrade firmware and retry!"););
ui_print("Target: samsung/lineage_m20lte/m20lte:11/RQ3A.211001.001/eng.root.20260119.223806:userdebug/dev-keys");
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);
run_program("/tmp/install/bin/backuptool.sh", "backup", "/dev/block/platform/13500000.dwmmc0/by-name/SYSTEM", "ext4");
ui_print("Patching system image unconditionally...");
show_progress(0.800000, 0);
block_image_update("/dev/block/platform/13500000.dwmmc0/by-name/SYSTEM", package_extract_file("system.transfer.list"), "system.new.dat.br", "system.patch.dat") ||
  abort("E1001: Failed to update system image.");
ui_print("Patching vendor image unconditionally...");
show_progress(0.100000, 0);
block_image_update("/dev/block/platform/13500000.dwmmc0/by-name/VENDOR", package_extract_file("vendor.transfer.list"), "vendor.new.dat.br", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");
show_progress(0.020000, 10);
run_program("/tmp/install/bin/backuptool.sh", "restore", "/dev/block/platform/13500000.dwmmc0/by-name/SYSTEM", "ext4");
package_extract_file("boot.img", "/dev/block/platform/13500000.dwmmc0/by-name/BOOT");
show_progress(0.100000, 10);
set_progress(1.000000);
