getprop("ro.product.device") == "nitrogen" || abort("E3004: This package is for \"nitrogen\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Xiaomi/nitrogen/nitrogen:9/PKQ1.181007.001/V10.3.3.0.PEDMIXM:user/release-keys");
ui_print("Target: Xiaomi/nitrogen/nitrogen:9/PKQ1.181007.001/V10.3.5.0.PEDMIXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Xiaomi/nitrogen/nitrogen:9/PKQ1.181007.001/V10.3.3.0.PEDMIXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Xiaomi/nitrogen/nitrogen:9/PKQ1.181007.001/V10.3.5.0.PEDMIXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Xiaomi/nitrogen/nitrogen:9/PKQ1.181007.001/V10.3.3.0.PEDMIXM:user/release-keys or Xiaomi/nitrogen/nitrogen:9/PKQ1.181007.001/V10.3.5.0.PEDMIXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
show_progress(0.100000, 5);
apply_patch_check("EMMC:/dev/block/bootdevice/by-name/boot:54269258:41badcfc7c05242bedb0ef6f58c418d1a44b768a:54273354:3b3b64cfd9c8a558776c90948fbec8051cba5c58") || abort("E3005: \"EMMC:/dev/block/bootdevice/by-name/boot:54269258:41badcfc7c05242bedb0ef6f58c418d1a44b768a:54273354:3b3b64cfd9c8a558776c90948fbec8051cba5c58\" has unexpected contents.");
apply_patch_space(191410176) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1("/dev/block/bootdevice/by-name/system", "26,1,208,223,534,8303,32770,32959,98306,98495,163842,164031,229378,229567,294914,295103,375423,394930,524296,528344,570998,575567,739291,774155,780254,780261,786432") == "0c1018cec8416bb393fb9f0a2d5715ea6bdb83ac" || block_image_verify("/dev/block/bootdevice/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat")) then
ui_print("Verified system image...");
else
check_first_block("/dev/block/bootdevice/by-name/system");
ifelse (block_image_recover("/dev/block/bootdevice/by-name/system", "26,1,208,223,534,8303,32770,32959,98306,98495,163842,164031,229378,229567,294914,295103,375423,394930,524296,528344,570998,575567,739291,774155,780254,780261,786432") && block_image_verify("/dev/block/bootdevice/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat"), ui_print("system recovered successfully."), abort("E1004: system partition fails to recover"));
endif;
if (range_sha1("/dev/block/bootdevice/by-name/vendor", "26,1,197,207,208,223,451,8303,32770,32959,98306,98495,163842,164031,193016,229376,229378,294912,294914,524288,524289,524295,524296,774155,780254,780261,786432") == "197761eae2761b465062d81fc3b00158ca5690dd" || block_image_verify("/dev/block/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat")) then
ui_print("Verified vendor image...");
else
check_first_block("/dev/block/bootdevice/by-name/vendor");
ifelse (block_image_recover("/dev/block/bootdevice/by-name/vendor", "26,1,197,207,208,223,451,8303,32770,32959,98306,98495,163842,164031,193016,229376,229378,294912,294914,524288,524289,524295,524296,774155,780254,780261,786432") && block_image_verify("/dev/block/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat"), ui_print("vendor recovered successfully."), abort("E2004: vendor partition fails to recover"));
endif;

# ---- start making changes here ----

ui_print("Patching boot image...");
show_progress(0.100000, 10);
apply_patch("EMMC:/dev/block/bootdevice/by-name/boot:54269258:41badcfc7c05242bedb0ef6f58c418d1a44b768a:54273354:3b3b64cfd9c8a558776c90948fbec8051cba5c58",
            "-", 3b3b64cfd9c8a558776c90948fbec8051cba5c58, 54273354,
            41badcfc7c05242bedb0ef6f58c418d1a44b768a, package_extract_file("patch/boot.img.p")) || abort("Failed to apply patch \"patch/boot.img.p \".");
show_progress(0.600000, 600);
ui_print("Patching system image after verification.");
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.");
ui_print("Patching vendor image after verification.");
block_image_update("/dev/block/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");

# ---- radio update tasks ----

ui_print("Patching firmware images...");
package_extract_file("firmware-update/cmnlib64.mbn", "/dev/block/bootdevice/by-name/cmnlib64");
package_extract_file("firmware-update/cmnlib.mbn", "/dev/block/bootdevice/by-name/cmnlib");
package_extract_file("firmware-update/hyp.mbn", "/dev/block/bootdevice/by-name/hyp");
package_extract_file("firmware-update/pmic.elf", "/dev/block/bootdevice/by-name/pmic");
package_extract_file("firmware-update/tz.mbn", "/dev/block/bootdevice/by-name/tz");
package_extract_file("firmware-update/keymaster64.mbn", "/dev/block/bootdevice/by-name/keymaster");
package_extract_file("firmware-update/abl.elf", "/dev/block/bootdevice/by-name/abl");
package_extract_file("firmware-update/devcfg.mbn", "/dev/block/bootdevice/by-name/devcfg");
package_extract_file("firmware-update/storsec.mbn", "/dev/block/bootdevice/by-name/storsec");
package_extract_file("firmware-update/xbl.elf", "/dev/block/bootdevice/by-name/xbl");
package_extract_file("firmware-update/rpm.mbn", "/dev/block/bootdevice/by-name/rpm");
package_extract_file("firmware-update/cmnlib64.mbn", "/dev/block/bootdevice/by-name/cmnlib64bak");
package_extract_file("firmware-update/cmnlib.mbn", "/dev/block/bootdevice/by-name/cmnlibbak");
package_extract_file("firmware-update/hyp.mbn", "/dev/block/bootdevice/by-name/hypbak");
package_extract_file("firmware-update/pmic.elf", "/dev/block/bootdevice/by-name/pmicbak");
package_extract_file("firmware-update/tz.mbn", "/dev/block/bootdevice/by-name/tzbak");
package_extract_file("firmware-update/keymaster64.mbn", "/dev/block/bootdevice/by-name/keymasterbak");
package_extract_file("firmware-update/abl.elf", "/dev/block/bootdevice/by-name/ablbak");
package_extract_file("firmware-update/devcfg.mbn", "/dev/block/bootdevice/by-name/devcfgbak");
package_extract_file("firmware-update/storsec.mbn", "/dev/block/bootdevice/by-name/storsecbak");
package_extract_file("firmware-update/xbl.elf", "/dev/block/bootdevice/by-name/xblbak");
package_extract_file("firmware-update/rpm.mbn", "/dev/block/bootdevice/by-name/rpmbak");
package_extract_file("firmware-update/NON-HLOS.bin", "/dev/block/bootdevice/by-name/modem");
show_progress(0.100000, 2);
