getprop("ro.product.device") == "dandelion" || abort("E3004: This package is for \"dandelion\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Redmi/dandelion_global/dandelion:10/QP1A.190711.020/V12.0.15.0.QCDMIXM:user/release-keys");
ui_print("Target: Redmi/dandelion_global/dandelion:10/QP1A.190711.020/V12.0.16.0.QCDMIXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion_global/dandelion:10/QP1A.190711.020/V12.0.15.0.QCDMIXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion_global/dandelion:10/QP1A.190711.020/V12.0.16.0.QCDMIXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion_global/dandelion:10/QP1A.190711.020/V12.0.15.0.QCDMIXM:user/release-keys or Redmi/dandelion_global/dandelion:10/QP1A.190711.020/V12.0.16.0.QCDMIXM: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:67108864:4c1de5d90d4d49b0224148db5cca45527e7ee2e9",
                      "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:a46bb6b40dcd741cdb476d034045c78de40ec0a2") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:4c1de5d90d4d49b0224148db5cca45527e7ee2e9\" or \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:a46bb6b40dcd741cdb476d034045c78de40ec0a2\" 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"), "74,1,159,168,171,186,193,378,382,398,399,22570,22572,22587,22591,22595,22596,22734,22738,22746,22747,22758,22762,22766,22767,23258,23262,23278,23279,23291,23295,23299,24468,24474,24478,24482,24483,24600,24606,24611,24612,26783,26787,26816,26817,26851,26853,28485,28489,28494,28495,28526,28530,28534,28535,28634,28638,28642,32770,32893,98306,98429,163842,163965,229378,229501,294914,295037,491536,491540,503649,505176,513182,513295,513296") == "4f4e6091f6e9c7d74548e38313a494f9fd9d5347" || 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"), "74,1,159,168,171,186,193,378,382,398,399,22570,22572,22587,22591,22595,22596,22734,22738,22746,22747,22758,22762,22766,22767,23258,23262,23278,23279,23291,23295,23299,24468,24474,24478,24482,24483,24600,24606,24611,24612,26783,26787,26816,26817,26851,26853,28485,28489,28494,28495,28526,28530,28534,28535,28634,28638,28642,32770,32893,98306,98429,163842,163965,229378,229501,294914,295037,491536,491540,503649,505176,513182,513295,513296") && 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"), "32,1,65,800,806,824,825,827,828,830,831,1122,1128,1514,1515,1627,1641,3340,3341,3395,3415,3424,3431,3778,32770,32795,98306,98331,103122,103445,105089,105124,105125") == "3c873843740ee3fb62d735698dd7b800f7aa8b7e" || 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"), "32,1,65,800,806,824,825,827,828,830,831,1122,1128,1514,1515,1627,1641,3340,3341,3395,3415,3424,3431,3778,32770,32795,98306,98331,103122,103445,105089,105124,105125") && 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"), "218,1,85,5978,5979,11711,11715,14654,14655,15199,15205,15222,15223,26861,26862,29288,29289,32158,32159,32523,32527,32768,32770,32838,32845,33111,33112,33124,33128,33132,33133,34973,34977,36414,36415,40429,40433,44634,44635,52500,52501,65536,65543,65544,65545,66426,66427,85970,85971,98304,98306,98374,98381,99780,99781,99787,99788,115052,115053,115132,115136,115142,115143,117157,117158,129341,129342,130732,130733,131072,131079,137038,137039,137042,137043,137052,137053,137054,137055,137071,137072,137073,137074,137079,137080,137119,137123,137127,137129,137134,137135,137147,137150,137599,137600,137971,137972,139457,139458,139548,139550,139552,139553,139555,139556,139558,139559,139561,139562,139564,139565,139567,139568,139570,139571,139575,139576,139581,139582,139586,139587,139603,139604,139623,139624,139629,139630,139649,139650,139665,139666,139670,139671,139687,139688,139693,139694,139712,139713,139726,139727,139731,139732,140102,140104,144905,144907,163840,163842,163910,163940,163941,163942,166424,166426,169120,169124,169170,169171,169551,169555,169565,169566,180462,180463,180634,180638,180645,180646,180686,180690,180695,180696,180832,180836,180844,180845,182233,182235,183321,183323,183332,183403,192774,214088,214575,214579,214593,214594,215932,215933,217330,217334,217350,217351,219476,219480,219506,219507,229376,229378,229446,229451,260507,260508,262144,262145,265911,265912,265942,265946,265950,265951,269661,269664,280290,284734,284804,284805") == "9e0604bbbef6dba57fca65df47c1e07a29f84361" || 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"), "218,1,85,5978,5979,11711,11715,14654,14655,15199,15205,15222,15223,26861,26862,29288,29289,32158,32159,32523,32527,32768,32770,32838,32845,33111,33112,33124,33128,33132,33133,34973,34977,36414,36415,40429,40433,44634,44635,52500,52501,65536,65543,65544,65545,66426,66427,85970,85971,98304,98306,98374,98381,99780,99781,99787,99788,115052,115053,115132,115136,115142,115143,117157,117158,129341,129342,130732,130733,131072,131079,137038,137039,137042,137043,137052,137053,137054,137055,137071,137072,137073,137074,137079,137080,137119,137123,137127,137129,137134,137135,137147,137150,137599,137600,137971,137972,139457,139458,139548,139550,139552,139553,139555,139556,139558,139559,139561,139562,139564,139565,139567,139568,139570,139571,139575,139576,139581,139582,139586,139587,139603,139604,139623,139624,139629,139630,139649,139650,139665,139666,139670,139671,139687,139688,139693,139694,139712,139713,139726,139727,139731,139732,140102,140104,144905,144907,163840,163842,163910,163940,163941,163942,166424,166426,169120,169124,169170,169171,169551,169555,169565,169566,180462,180463,180634,180638,180645,180646,180686,180690,180695,180696,180832,180836,180844,180845,182233,182235,183321,183323,183332,183403,192774,214088,214575,214579,214593,214594,215932,215933,217330,217334,217350,217351,219476,219480,219506,219507,229376,229378,229446,229451,260507,260508,262144,262145,265911,265912,265942,265946,265950,265951,269661,269664,280290,284734,284804,284805") && 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:67108864:4c1de5d90d4d49b0224148db5cca45527e7ee2e9",
                "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:a46bb6b40dcd741cdb476d034045c78de40ec0a2",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:a46bb6b40dcd741cdb476d034045c78de40ec0a2");
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();
