getprop("ro.product.device") == "angelican" || abort("E3004: This package is for \"angelican\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Redmi/angelican_ru/angelican:10/QP1A.190711.020/V12.0.5.0.QCSRUXM:user/release-keys");
ui_print("Target: Redmi/angelican_ru/angelican:10/QP1A.190711.020/V12.0.6.0.QCSRUXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/angelican_ru/angelican:10/QP1A.190711.020/V12.0.5.0.QCSRUXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/angelican_ru/angelican:10/QP1A.190711.020/V12.0.6.0.QCSRUXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/angelican_ru/angelican:10/QP1A.190711.020/V12.0.5.0.QCSRUXM:user/release-keys or Redmi/angelican_ru/angelican:10/QP1A.190711.020/V12.0.6.0.QCSRUXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
show_progress(0.100000, 10);
patch_partition_check("EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:ccd5713970f6e80a60ef82a6a32d959e0f4f9eef",
                      "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:37eab8c7da8570763368e5a70321a4600d33816a") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:ccd5713970f6e80a60ef82a6a32d959e0f4f9eef\" or \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:37eab8c7da8570763368e5a70321a4600d33816a\" has unexpected contents.");
apply_patch_space(67108864) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "88,1,163,190,197,382,386,402,403,22224,22226,22241,22245,22249,22250,22414,22418,22426,22427,22438,22442,22446,22447,22938,22942,22958,22959,22971,22975,22979,24147,24153,24157,24161,24162,24279,24285,24290,24291,26462,26466,26495,26496,26530,26532,28164,28168,28173,28174,28205,28209,28213,28214,28313,28317,28321,31202,32768,32770,32896,32917,34082,34086,34114,34115,34129,34133,34137,34138,34140,34141,34292,34296,34302,98306,98432,163842,163968,229378,229504,294914,295040,491526,491541,515836,517384,525585,525699,525700") == "b4f9a4fe8c0032f5b8661a6c3a9c5416588b7bdc" || block_image_verify(map_partition("system"), package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat")) then
ui_print("Verified system image...");
else
check_first_block(map_partition("system"));
ifelse (block_image_recover(map_partition("system"), "88,1,163,190,197,382,386,402,403,22224,22226,22241,22245,22249,22250,22414,22418,22426,22427,22438,22442,22446,22447,22938,22942,22958,22959,22971,22975,22979,24147,24153,24157,24161,24162,24279,24285,24290,24291,26462,26466,26495,26496,26530,26532,28164,28168,28173,28174,28205,28209,28213,28214,28313,28317,28321,31202,32768,32770,32896,32917,34082,34086,34114,34115,34129,34133,34137,34138,34140,34141,34292,34296,34302,98306,98432,163842,163968,229378,229504,294914,295040,491526,491541,515836,517384,525585,525699,525700") && block_image_verify(map_partition("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(map_partition("vendor"), "34,1,66,801,807,825,826,828,829,831,832,843,847,851,852,1541,1542,3468,3469,4544,4550,6803,6805,6811,32770,32795,98306,98331,98360,98362,102889,103211,104851,104886,104887") == "074f7270014bcab2182de168f1fa2570e7257c78" || block_image_verify(map_partition("vendor"), package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat")) then
ui_print("Verified vendor image...");
else
check_first_block(map_partition("vendor"));
ifelse (block_image_recover(map_partition("vendor"), "34,1,66,801,807,825,826,828,829,831,832,843,847,851,852,1541,1542,3468,3469,4544,4550,6803,6805,6811,32770,32795,98306,98331,98360,98362,102889,103211,104851,104886,104887") && block_image_verify(map_partition("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;
if (range_sha1(map_partition("product"), "110,1,72,4404,4408,6549,6550,7094,7100,7117,7118,13300,13301,13940,13944,14714,14715,17094,17095,17459,17463,17970,17971,17983,17987,17991,17992,24184,24185,32768,32770,32824,32832,36719,36720,47437,47438,58507,58508,58514,58515,65536,65544,73074,73075,73154,73158,73164,73165,74173,74174,82390,82391,84526,84527,87637,87639,87648,87649,87650,87651,87666,87667,87668,87669,87675,87676,87715,87719,87723,87725,87730,87731,87743,87746,88195,88196,88567,88568,90674,90676,96932,96934,98304,98306,98360,98389,114952,114953,120120,120122,128372,128374,128421,128423,128564,128566,129822,129824,130902,130904,130913,163842,163896,196611,196616,221786,222456,225984,226042,226043") == "1a2eb0e2c943389435b3df5d26a7322e1f398b8e" || block_image_verify(map_partition("product"), package_extract_file("product.transfer.list"), "product.new.dat", "product.patch.dat")) then
ui_print("Verified product image...");
else
ifelse (block_image_recover(map_partition("product"), "110,1,72,4404,4408,6549,6550,7094,7100,7117,7118,13300,13301,13940,13944,14714,14715,17094,17095,17459,17463,17970,17971,17983,17987,17991,17992,24184,24185,32768,32770,32824,32832,36719,36720,47437,47438,58507,58508,58514,58515,65536,65544,73074,73075,73154,73158,73164,73165,74173,74174,82390,82391,84526,84527,87637,87639,87648,87649,87650,87651,87666,87667,87668,87669,87675,87676,87715,87719,87723,87725,87730,87731,87743,87746,88195,88196,88567,88568,90674,90676,96932,96934,98304,98306,98360,98389,114952,114953,120120,120122,128372,128374,128421,128423,128564,128566,129822,129824,130902,130904,130913,163842,163896,196611,196616,221786,222456,225984,226042,226043") && block_image_verify(map_partition("product"), package_extract_file("product.transfer.list"), "product.new.dat", "product.patch.dat"), ui_print("product recovered successfully."), abort("E2004: product partition fails to recover"));
endif;

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

ui_print("Patching boot image...");
show_progress(0.100000, 10);
patch_partition("EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:ccd5713970f6e80a60ef82a6a32d959e0f4f9eef",
                "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:37eab8c7da8570763368e5a70321a4600d33816a",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:37eab8c7da8570763368e5a70321a4600d33816a");
show_progress(0.600000, 600);

# --- Start patching dynamic partitions ---


# Update dynamic partition metadata

assert(update_dynamic_partitions(package_extract_file("dynamic_partitions_op_list")));

# Patch partition product

ui_print("Patching product image after verification.");
block_image_update(map_partition("product"), package_extract_file("product.transfer.list"), "product.new.dat", "product.patch.dat") ||
  abort("E2001: Failed to update product image.");

# Patch partition vendor

ui_print("Patching vendor image after verification.");
block_image_update(map_partition("vendor"), package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");

# Patch partition system

ui_print("Patching system image after verification.");
block_image_update(map_partition("system"), package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat") ||
  abort("E1001: Failed to update system image.");

# --- End patching dynamic partitions ---

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("dtbo.img", "/dev/block/platform/bootdevice/by-name/dtbo");
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");
if get_storage_type() then 
 assert(package_extract_file("preloader_ufs.img", "/dev/block/mmcblk0boot1"));
else 
 assert(set_emmc_writable("/sys/block/mmcblk0boot1/force_ro"),
        package_extract_file("preloader_emmc.img", "/dev/block/mmcblk0boot1"));
endif;
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");
if get_storage_type() then 
 assert(package_extract_file("preloader_ufs.img", "/dev/block/mmcblk0boot0"));
else 
 assert(set_emmc_writable("/sys/block/mmcblk0boot0/force_ro"),
        package_extract_file("preloader_emmc.img", "/dev/block/mmcblk0boot0"));
endif;
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_vendor.img", "/dev/block/platform/bootdevice/by-name/vbmeta_vendor");
package_extract_file("vbmeta_system.img", "/dev/block/platform/bootdevice/by-name/vbmeta_system");
package_extract_file("vbmeta.img", "/dev/block/platform/bootdevice/by-name/vbmeta");
post_ota_action();
