getprop("ro.product.device") == "cactus" || abort("E3004: This package is for \"cactus\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: xiaomi/cactus/cactus:9/PPR1.180610.011/9.8.22:user/release-keys");
ui_print("Target: xiaomi/cactus/cactus:9/PPR1.180610.011/9.9.3:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "xiaomi/cactus/cactus:9/PPR1.180610.011/9.8.22:user/release-keys" ||
    getprop("ro.build.fingerprint") == "xiaomi/cactus/cactus:9/PPR1.180610.011/9.9.3:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of xiaomi/cactus/cactus:9/PPR1.180610.011/9.8.22:user/release-keys or xiaomi/cactus/cactus:9/PPR1.180610.011/9.9.3:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
apply_patch_space(214548480) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1("/dev/block/platform/bootdevice/by-name/system", "130,1,424,665,673,674,32770,32927,32928,33433,60609,63346,65537,66042,89156,91172,91186,93099,93161,94623,98306,98463,98464,98969,125929,131072,131073,134627,145606,148449,155640,155930,163842,163999,164000,164505,181589,186028,196609,197114,199418,204363,204364,205164,229378,229535,229536,230041,243464,244276,262145,262650,294499,294912,294914,295071,295072,297932,298686,299153,321553,323189,327681,328186,335520,337199,360449,360954,393217,393722,403058,403074,403075,404258,404328,404393,404493,404497,404543,404562,404643,404681,404953,405080,405236,405241,405492,405580,405650,405718,405966,406202,406305,406440,406461,406487,406496,406624,406674,406737,406745,408491,408513,408715,409400,411427,421025,421131,422666,422685,425985,426490,457060,458752,458753,465295,491521,492026,524289,524794,557057,557562,589825,590330,612671,622592,622593,644999,655221,655359,655360") == "d6b95a1e85157cf6ee105f4cc3e05d0e53394b0a" || block_image_verify("/dev/block/platform/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/platform/bootdevice/by-name/system");
ifelse (block_image_recover("/dev/block/platform/bootdevice/by-name/system", "130,1,424,665,673,674,32770,32927,32928,33433,60609,63346,65537,66042,89156,91172,91186,93099,93161,94623,98306,98463,98464,98969,125929,131072,131073,134627,145606,148449,155640,155930,163842,163999,164000,164505,181589,186028,196609,197114,199418,204363,204364,205164,229378,229535,229536,230041,243464,244276,262145,262650,294499,294912,294914,295071,295072,297932,298686,299153,321553,323189,327681,328186,335520,337199,360449,360954,393217,393722,403058,403074,403075,404258,404328,404393,404493,404497,404543,404562,404643,404681,404953,405080,405236,405241,405492,405580,405650,405718,405966,406202,406305,406440,406461,406487,406496,406624,406674,406737,406745,408491,408513,408715,409400,411427,421025,421131,422666,422685,425985,426490,457060,458752,458753,465295,491521,492026,524289,524794,557057,557562,589825,590330,612671,622592,622593,644999,655221,655359,655360") && block_image_verify("/dev/block/platform/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/platform/bootdevice/by-name/vendor", "22,1,137,555,32770,32817,32818,33323,65537,66042,98306,98353,98354,98859,102398,163840,163842,163889,163890,193485,196553,196607,196608") == "6692b234077aaed4672630cdbd89ec4190e7d795" || block_image_verify("/dev/block/platform/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/platform/bootdevice/by-name/vendor");
ifelse (block_image_recover("/dev/block/platform/bootdevice/by-name/vendor", "22,1,137,555,32770,32817,32818,33323,65537,66042,98306,98353,98354,98859,102398,163840,163842,163889,163890,193485,196553,196607,196608") && block_image_verify("/dev/block/platform/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 ----

show_progress(0.100000, 10);
ui_print("Installing boot image...");
package_extract_file("boot.img", "/dev/block/platform/bootdevice/by-name/boot");
show_progress(0.700000, 600);
ui_print("Patching system image after verification.");
block_image_update("/dev/block/platform/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/platform/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");
show_progress(0.100000, 2);
show_mtupdate_stage("/cache/recovery/last_mtupdate_stage");
ifelse (
less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "1") ,
(
ui_print("start to update general image");
package_extract_file("logo.bin", "/dev/block/platform/bootdevice/by-name/logo");
package_extract_file("odmdtbo.img", "/dev/block/platform/bootdevice/by-name/odmdtbo");
package_extract_file("md1img.img", "/dev/block/platform/bootdevice/by-name/md1img");
package_extract_file("spmfw.img", "/dev/block/platform/bootdevice/by-name/spmfw");
set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "1");
),
ui_print("general images are already updated");
);
ifelse (
less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "3") ,
(
if less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "2") then

ui_print("start to update alt loader image");
package_extract_file("sspm.img", "/dev/block/platform/bootdevice/by-name/sspm_2");
package_extract_file("tee.img", "/dev/block/platform/bootdevice/by-name/tee2");
package_extract_file("lk.img", "/dev/block/platform/bootdevice/by-name/lk2");
package_extract_file("scp.img", "/dev/block/platform/bootdevice/by-name/scp2");
assert(set_emmc_writable("/sys/block/mmcblk0boot1/force_ro"),
       package_extract_file("preloader.img", "/dev/block/mmcblk0boot1"));

set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "2");
endif;

switch_active("sspm_1", "sspm_2");
switch_active("tee1", "tee2");
switch_active("lk", "lk2");
switch_active("scp1", "scp2");
switch_active("preloader", "preloader2");
set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "3");
),
ui_print("alt loder images are already updated");
);
ifelse (
less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "5") ,
(
if less_than_int(get_mtupdate_stage("/cache/recovery/last_mtupdate_stage"), "4") then

ui_print("start to update main loader image");
package_extract_file("sspm.img", "/dev/block/platform/bootdevice/by-name/sspm_1");
package_extract_file("tee.img", "/dev/block/platform/bootdevice/by-name/tee1");
package_extract_file("lk.img", "/dev/block/platform/bootdevice/by-name/lk");
package_extract_file("scp.img", "/dev/block/platform/bootdevice/by-name/scp1");
assert(set_emmc_writable("/sys/block/mmcblk0boot0/force_ro"),
       package_extract_file("preloader.img", "/dev/block/mmcblk0boot0"));

set_mtupdate_stage("/cache/recovery/last_mtupdate_stage", "4");
endif;

switch_active("sspm_2", "sspm_1");
switch_active("tee2", "tee1");
switch_active("lk2", "lk");
switch_active("scp2", "scp1");
switch_active("preloader2", "preloader");
),
ui_print("main loader images are already updated");
);
delete("/cache/recovery/last_mtupdate_stage");
package_extract_file("vbmeta.img", "/dev/block/platform/bootdevice/by-name/vbmeta");
set_ota_result_for_dm_verity();
