getprop("ro.product.device") == "cannong" || abort("E3004: This package is for \"cannong\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Redmi/cannong_eea/cannong:10/QP1A.190711.020/V12.0.1.0.QJEEUXM:user/release-keys");
ui_print("Target: Redmi/cannong_eea/cannong:10/QP1A.190711.020/V12.0.4.0.QJEEUXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/cannong_eea/cannong:10/QP1A.190711.020/V12.0.1.0.QJEEUXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/cannong_eea/cannong:10/QP1A.190711.020/V12.0.4.0.QJEEUXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/cannong_eea/cannong:10/QP1A.190711.020/V12.0.1.0.QJEEUXM:user/release-keys or Redmi/cannong_eea/cannong:10/QP1A.190711.020/V12.0.4.0.QJEEUXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
show_progress(0.100000, 10);
patch_partition_check("EMMC:/dev/block/by-name/boot:67108864:41fe49c5174273cc258af9a7bf45aad18a86252f",
                      "EMMC:/dev/block/by-name/boot:67108864:2962f34ecc0d038711a1ae69630cbb19fc2dc896") ||
    abort("E3005: \"EMMC:/dev/block/by-name/boot:67108864:41fe49c5174273cc258af9a7bf45aad18a86252f\" or \"EMMC:/dev/block/by-name/boot:67108864:2962f34ecc0d038711a1ae69630cbb19fc2dc896\" has unexpected contents.");
apply_patch_space(67108864) || abort("E3006: Not enough free space on /cache to apply patches.");
patch_partition_check("EMMC:/dev/block/by-name/md1img:61569712:abc3e5290ceae2f1d6aecad8becb2cca08d34d4f",
                      "EMMC:/dev/block/by-name/md1img:61564800:870efa70e75fbff5da9cf1f70e96ffb4f0a06b08") ||
    abort("E3005: \"EMMC:/dev/block/by-name/md1img:61569712:abc3e5290ceae2f1d6aecad8becb2cca08d34d4f\" or \"EMMC:/dev/block/by-name/md1img:61564800:870efa70e75fbff5da9cf1f70e96ffb4f0a06b08\" has unexpected contents.");
apply_patch_space(61569712) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "32,1,204,233,242,244,245,495,499,515,516,527,32770,32939,58246,58933,58935,58959,98306,98475,163842,164011,229378,229547,294914,295083,688132,688147,691538,693613,704605,704753,704754") == "f07dd06f0b8f7cace91dd807db5bc878c729796d" || 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"), "32,1,204,233,242,244,245,495,499,515,516,527,32770,32939,58246,58933,58935,58959,98306,98475,163842,164011,229378,229547,294914,295083,688132,688147,691538,693613,704605,704753,704754") && 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"), "14,1,32770,32810,98306,98346,163842,163882,163909,163915,167274,167798,170460,170508,170509") == "d206c9752d7a9827c6dd6d82fde25bbf3729644a" || 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"), "14,1,32770,32810,98306,98346,163842,163882,163909,163915,167274,167798,170460,170508,170509") && 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"), "110,1,83,5373,5374,9710,9714,11855,11858,14010,14011,14556,14562,14579,14580,20819,20820,23227,23228,23592,23596,24103,24104,24116,24120,24124,24125,25965,25969,27406,27407,32768,32770,32836,32843,34371,34372,34777,34778,41943,41944,49994,49995,61882,61883,62539,62540,65536,65543,70022,70023,76133,76134,76140,76141,76269,76273,76277,76278,90843,90844,98304,98306,98372,98379,106598,106599,108012,108013,114396,114397,121638,121639,124749,124751,124760,124761,124762,124763,124778,124779,124780,124781,124787,124788,124827,124831,124835,124837,124842,124845,124849,124851,124856,124857,124902,124903,124919,163842,163908,229378,229444,229450,229451,262145,262151,269616,270425,274713,274781,274782") == "3e20d248bcd8dc92fc1f8084e76972e4b606d70b" || 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"), "110,1,83,5373,5374,9710,9714,11855,11858,14010,14011,14556,14562,14579,14580,20819,20820,23227,23228,23592,23596,24103,24104,24116,24120,24124,24125,25965,25969,27406,27407,32768,32770,32836,32843,34371,34372,34777,34778,41943,41944,49994,49995,61882,61883,62539,62540,65536,65543,70022,70023,76133,76134,76140,76141,76269,76273,76277,76278,90843,90844,98304,98306,98372,98379,106598,106599,108012,108013,114396,114397,121638,121639,124749,124751,124760,124761,124762,124763,124778,124779,124780,124781,124787,124788,124827,124831,124835,124837,124842,124845,124849,124851,124856,124857,124902,124903,124919,163842,163908,229378,229444,229450,229451,262145,262151,269616,270425,274713,274781,274782") && 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/by-name/boot:67108864:41fe49c5174273cc258af9a7bf45aad18a86252f",
                "EMMC:/dev/block/by-name/boot:67108864:2962f34ecc0d038711a1ae69630cbb19fc2dc896",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/boot:67108864:2962f34ecc0d038711a1ae69630cbb19fc2dc896");
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("audio_dsp.img", "/dev/block/by-name/audio_dsp");
package_extract_file("pi_img.img", "/dev/block/by-name/pi_img");
package_extract_file("cam_vpu3.img", "/dev/block/by-name/cam_vpu3");
package_extract_file("dtbo.img", "/dev/block/by-name/dtbo");
package_extract_file("cam_vpu2.img", "/dev/block/by-name/cam_vpu2");
package_extract_file("cam_vpu1.img", "/dev/block/by-name/cam_vpu1");
ui_print("Patching md1img image...");
show_progress(0.100000, 10);
patch_partition("EMMC:/dev/block/by-name/md1img:61569712:abc3e5290ceae2f1d6aecad8becb2cca08d34d4f",
                "EMMC:/dev/block/by-name/md1img:61564800:870efa70e75fbff5da9cf1f70e96ffb4f0a06b08",
                package_extract_file("patch/md1img.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/by-name/md1img:61564800:870efa70e75fbff5da9cf1f70e96ffb4f0a06b08");
package_extract_file("spmfw.img", "/dev/block/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/by-name/sspm_2");
package_extract_file("tee.img", "/dev/block/by-name/tee2");
package_extract_file("scp.img", "/dev/block/by-name/scp2");
package_extract_file("mcupm.img", "/dev/block/by-name/mcupm_2");
package_extract_file("lk.img", "/dev/block/by-name/lk2");
package_extract_file("dpm.img", "/dev/block/by-name/dpm_2");
if get_storage_type() then 
 assert(package_extract_file("preloader_ufs.img", "/dev/block/sdb"));
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("scp1", "scp2");
switch_active("mcupm_1", "mcupm_2");
switch_active("lk", "lk2");
switch_active("dpm_1", "dpm_2");
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/by-name/sspm_1");
package_extract_file("tee.img", "/dev/block/by-name/tee1");
package_extract_file("scp.img", "/dev/block/by-name/scp1");
package_extract_file("mcupm.img", "/dev/block/by-name/mcupm_1");
package_extract_file("lk.img", "/dev/block/by-name/lk");
package_extract_file("dpm.img", "/dev/block/by-name/dpm_1");
if get_storage_type() then 
 assert(package_extract_file("preloader_ufs.img", "/dev/block/sda"));
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("scp2", "scp1");
switch_active("mcupm_2", "mcupm_1");
switch_active("lk2", "lk");
switch_active("dpm_2", "dpm_1");
switch_active("preloader2", "preloader");
),
ui_print("main loader images are already updated");
);
delete("/cache/recovery/last_mtupdate_stage");
package_extract_file("vbmeta_system.img", "/dev/block/by-name/vbmeta_system");
package_extract_file("vbmeta.img", "/dev/block/by-name/vbmeta");
package_extract_file("vbmeta_vendor.img", "/dev/block/by-name/vbmeta_vendor");
post_ota_action();
