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_eea2/dandelion:11/RP1A.200720.011/V12.5.5.0.RCZEUXM:user/release-keys");
ui_print("Target: Redmi/dandelion_eea2/dandelion:11/RP1A.200720.011/V12.5.7.0.RCZEUXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion_eea2/dandelion:11/RP1A.200720.011/V12.5.5.0.RCZEUXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion_eea2/dandelion:11/RP1A.200720.011/V12.5.7.0.RCZEUXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion_eea2/dandelion:11/RP1A.200720.011/V12.5.5.0.RCZEUXM:user/release-keys or Redmi/dandelion_eea2/dandelion:11/RP1A.200720.011/V12.5.7.0.RCZEUXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
patch_partition_check(concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fd3cfa359f7ef3b50676ef79ad8994d152ffc14a"),
                      concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:8c7de4b64c7d4e9fbec7aea139c9c569238076a0")) ||
    abort(concat("E3005: \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fd3cfa359f7ef3b50676ef79ad8994d152ffc14a"),"\" or \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:8c7de4b64c7d4e9fbec7aea139c9c569238076a0"),"\" has unexpected contents."));
apply_patch_space(67108864) || abort("E3006: Not enough free space on /cache to apply patches.");
if (range_sha1(map_partition("system"), "62,1,32,45,56,17123,30068,32768,32786,48309,48311,48384,48385,48398,48399,48406,48407,48545,48546,48578,48579,48701,51585,55893,55894,55909,55910,56009,56010,59182,59183,60272,60273,60361,60362,60437,60438,63706,63707,63743,63744,63748,63749,63780,63781,65001,65002,65536,65552,67644,67645,69057,69058,69088,69089,69094,557060,557072,560195,561876,570781,570904,570905") == "f2408704afcd518117f25221da8ee141029b96b0" || 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"), "62,1,32,45,56,17123,30068,32768,32786,48309,48311,48384,48385,48398,48399,48406,48407,48545,48546,48578,48579,48701,51585,55893,55894,55909,55910,56009,56010,59182,59183,60272,60273,60361,60362,60437,60438,63706,63707,63743,63744,63748,63749,63780,63781,65001,65002,65536,65552,67644,67645,69057,69058,69088,69089,69094,557060,557072,560195,561876,570781,570904,570905") && 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"), "28,1,41,44,45,48,49,52,53,56,60,63,64,67,68,71,72,75,76,385,391,544,98337,98338,114329,114676,116495,116535,116536") == "77be782f48e0fea44a8eb11bc31c244070e40be0" || 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"), "28,1,41,44,45,48,49,52,53,56,60,63,64,67,68,71,72,75,76,385,391,544,98337,98338,114329,114676,116495,116535,116536") && 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"), "106,1,15,6504,6505,15190,15191,29805,29806,32768,32776,32917,32918,36218,36219,36581,36582,36594,36595,38435,38436,42450,42451,56840,56841,65536,65542,76344,76345,97588,97589,97596,97597,98304,98312,104954,104955,122600,122601,122655,122656,125074,125075,131072,131078,135038,135039,140155,140156,140163,140164,140170,140171,146469,146470,146478,146480,146488,146489,146490,146491,146493,146494,146506,146507,146510,146512,146513,146514,146515,146516,146528,146529,146530,146533,146982,146983,147354,147355,148840,148841,163840,163874,173701,173702,196608,196640,209402,209403,209939,209940,210602,210603,212096,212097,229376,229384,240656,240657,246142,246143,249980,249983,260551,264681,264749,264750") == "c1f5eaf2928dafe69ec5c19798aac5a4922d4bc5" || 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"), "106,1,15,6504,6505,15190,15191,29805,29806,32768,32776,32917,32918,36218,36219,36581,36582,36594,36595,38435,38436,42450,42451,56840,56841,65536,65542,76344,76345,97588,97589,97596,97597,98304,98312,104954,104955,122600,122601,122655,122656,125074,125075,131072,131078,135038,135039,140155,140156,140163,140164,140170,140171,146469,146470,146478,146480,146488,146489,146490,146491,146493,146494,146506,146507,146510,146512,146513,146514,146515,146516,146528,146529,146530,146533,146982,146983,147354,147355,148840,148841,163840,163874,173701,173702,196608,196640,209402,209403,209939,209940,210602,210603,212096,212097,229376,229384,240656,240657,246142,246143,249980,249983,260551,264681,264749,264750") && 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 ----


# --- Start patching dynamic partitions ---


# Patch partition vendor

ui_print("Patching vendor image after verification.");
show_progress(0.100000, 0);
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 system

ui_print("Patching system image after verification.");
show_progress(0.700000, 0);
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.");

# Patch partition product

ui_print("Patching product image after verification.");
show_progress(0.100000, 0);
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.");

# --- End patching dynamic partitions ---

ui_print("Patching boot image...");
show_progress(0.100000, 10);
patch_partition(concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fd3cfa359f7ef3b50676ef79ad8994d152ffc14a"),
                concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:8c7de4b64c7d4e9fbec7aea139c9c569238076a0"),
                package_extract_file("boot.img.p")) ||
    abort(concat(        "E3008: Failed to apply patch to ",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:8c7de4b64c7d4e9fbec7aea139c9c569238076a0")));
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("logo.bin", "/dev/block/platform/bootdevice/by-name/logo");
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();
set_progress(1.000000);
