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_id/dandelion:10/QP1A.190711.020/V12.0.14.0.QCDIDXM:user/release-keys");
ui_print("Target: Redmi/dandelion_id/dandelion:10/QP1A.190711.020/V12.0.15.0.QCDIDXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion_id/dandelion:10/QP1A.190711.020/V12.0.14.0.QCDIDXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion_id/dandelion:10/QP1A.190711.020/V12.0.15.0.QCDIDXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion_id/dandelion:10/QP1A.190711.020/V12.0.14.0.QCDIDXM:user/release-keys or Redmi/dandelion_id/dandelion:10/QP1A.190711.020/V12.0.15.0.QCDIDXM: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:ac7327ae9c2f873625b1ed89cffacec6c3cba7a7",
                      "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:6e4226b3f31981256c0cc33304b389d3807d077d") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:ac7327ae9c2f873625b1ed89cffacec6c3cba7a7\" or \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:6e4226b3f31981256c0cc33304b389d3807d077d\" has unexpected contents.");
apply_patch_space(68747264) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "70,1,177,204,211,396,400,416,417,1358,17116,22590,22592,22608,22610,22616,22792,22804,22806,22812,22813,23305,23307,23325,26869,26904,28540,28547,32770,32913,98306,98449,150649,151543,151545,151574,163842,163985,178078,178084,178641,178642,229378,229521,256299,256305,262567,262573,293512,293569,294914,295057,305668,305684,305733,305754,318365,319527,347192,347214,557073,557074,569840,569912,569916,569923,585053,586827,596126,596255,596256") == "92ea0fa3cdf50511cef883bd72238c047033bcb3" || 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"), "70,1,177,204,211,396,400,416,417,1358,17116,22590,22592,22608,22610,22616,22792,22804,22806,22812,22813,23305,23307,23325,26869,26904,28540,28547,32770,32913,98306,98449,150649,151543,151545,151574,163842,163985,178078,178084,178641,178642,229378,229521,256299,256305,262567,262573,293512,293569,294914,295057,305668,305684,305733,305754,318365,319527,347192,347214,557073,557074,569840,569912,569916,569923,585053,586827,596126,596255,596256") && 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"), "26,1,65,801,807,825,826,829,830,833,834,1277,1319,1519,1520,1545,1575,2765,32770,32795,98306,98331,105587,105920,107601,107638,107639") == "60964c4e2cef0c7a806f10bce8eb6fe053d672e0" || 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"), "26,1,65,801,807,825,826,829,830,833,834,1277,1319,1519,1520,1545,1575,2765,32770,32795,98306,98331,105587,105920,107601,107638,107639") && 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"), "126,1,77,5809,5813,8752,8753,10252,10254,10292,10296,10326,10327,21965,21966,24392,24393,25032,25036,25806,25807,26171,26175,26682,26683,26695,26699,26703,26704,28544,28548,29985,29986,32768,32770,32830,32837,34069,34073,38274,38275,46140,46141,60058,60059,65536,65543,79609,79610,79616,79617,94881,94882,94962,94966,94972,94973,96987,96988,98304,98306,98366,98373,105873,105874,110631,110632,116930,116931,116934,116935,116944,116945,116946,116947,116962,116963,116964,116965,116970,116971,117009,117013,117018,117019,117031,117034,117483,117484,117855,117856,120012,120014,121342,122846,131072,131104,141679,141680,146973,146975,147401,147403,147584,147586,147633,147635,147776,147778,149174,149176,150262,150264,150273,150347,159718,163842,163902,229378,229438,229442,229445,246572,247317,251240,251303,251304") == "23760769e86f30e7cfa741ccf4bc0ea56be8c1ca" || 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"), "126,1,77,5809,5813,8752,8753,10252,10254,10292,10296,10326,10327,21965,21966,24392,24393,25032,25036,25806,25807,26171,26175,26682,26683,26695,26699,26703,26704,28544,28548,29985,29986,32768,32770,32830,32837,34069,34073,38274,38275,46140,46141,60058,60059,65536,65543,79609,79610,79616,79617,94881,94882,94962,94966,94972,94973,96987,96988,98304,98306,98366,98373,105873,105874,110631,110632,116930,116931,116934,116935,116944,116945,116946,116947,116962,116963,116964,116965,116970,116971,117009,117013,117018,117019,117031,117034,117483,117484,117855,117856,120012,120014,121342,122846,131072,131104,141679,141680,146973,146975,147401,147403,147584,147586,147633,147635,147776,147778,149174,149176,150262,150264,150273,150347,159718,163842,163902,229378,229438,229442,229445,246572,247317,251240,251303,251304") && 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:ac7327ae9c2f873625b1ed89cffacec6c3cba7a7",
                "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:6e4226b3f31981256c0cc33304b389d3807d077d",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:6e4226b3f31981256c0cc33304b389d3807d077d");
show_progress(0.600000, 600);

# --- Start patching dynamic partitions ---


# 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.");

# 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 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();
