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_eea/dandelion:11/RP1A.200720.011/V12.5.6.0.RCDEUXM:user/release-keys");
ui_print("Target: Redmi/dandelion_eea/dandelion:11/RP1A.200720.011/V12.5.7.0.RCDEUXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion_eea/dandelion:11/RP1A.200720.011/V12.5.6.0.RCDEUXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion_eea/dandelion:11/RP1A.200720.011/V12.5.7.0.RCDEUXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion_eea/dandelion:11/RP1A.200720.011/V12.5.6.0.RCDEUXM:user/release-keys or Redmi/dandelion_eea/dandelion:11/RP1A.200720.011/V12.5.7.0.RCDEUXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
patch_partition_check(concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:4351e17e9489850e8d575eb176f49691cc542a12"),
                      concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:54f7d239d64bd8bffbf919969cf9b61895792158")) ||
    abort(concat("E3005: \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:4351e17e9489850e8d575eb176f49691cc542a12"),"\" or \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:54f7d239d64bd8bffbf919969cf9b61895792158"),"\" has unexpected contents."));
apply_patch_space(77848576) || abort("E3006: Not enough free space on /cache to apply patches.");
if (range_sha1(map_partition("system"), "28,1,33,46,57,103,10323,17123,30053,32768,32787,48295,48297,48370,48371,48581,50927,50959,314544,314564,467330,467398,524291,524305,535681,537289,545804,545923,545924") == "0a9e5353c55dc95228156d5d0d284b5fb0974ccb" || 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"), "28,1,33,46,57,103,10323,17123,30053,32768,32787,48295,48297,48370,48371,48581,50927,50959,314544,314564,467330,467398,524291,524305,535681,537289,545804,545923,545924") && 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"), "38,1,40,43,44,47,48,51,52,55,56,59,60,63,64,67,68,71,77,377,383,536,578,755,756,774,802,809,813,1641,1642,1960,98335,98337,107969,108297,110017,110052,110053") == "f770cbacda6babbcbc80c3d814103bdd4a724f6a" || 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"), "38,1,40,43,44,47,48,51,52,55,56,59,60,63,64,67,68,71,77,377,383,536,578,755,756,774,802,809,813,1641,1642,1960,98335,98337,107969,108297,110017,110052,110053") && 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"), "108,1,15,6504,6505,15190,15191,29805,29806,32768,32776,32917,32918,36218,36219,36581,36582,36594,36595,38435,38436,42450,42451,56840,56841,65536,65542,76344,76345,97588,97589,97596,97597,98304,98312,104954,104955,122600,122601,122655,122656,125074,125075,131072,131078,135038,135039,140155,140156,140163,140164,140170,140171,146469,146470,146478,146479,146482,146483,146491,146492,146493,146494,146495,146496,146508,146509,146512,146514,146515,146516,146517,146518,146530,146531,146532,146535,146984,146985,147356,147357,148842,148843,163840,163873,173695,173696,196608,196641,209397,209398,209934,209935,210597,210598,212091,212092,229376,229384,240651,240652,246137,246138,249975,249978,260546,264676,264744,264745") == "c22b90957ff21d34a0002df9eedf16bc0839a136" || 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"), "108,1,15,6504,6505,15190,15191,29805,29806,32768,32776,32917,32918,36218,36219,36581,36582,36594,36595,38435,38436,42450,42451,56840,56841,65536,65542,76344,76345,97588,97589,97596,97597,98304,98312,104954,104955,122600,122601,122655,122656,125074,125075,131072,131078,135038,135039,140155,140156,140163,140164,140170,140171,146469,146470,146478,146479,146482,146483,146491,146492,146493,146494,146495,146496,146508,146509,146512,146514,146515,146516,146517,146518,146530,146531,146532,146535,146984,146985,147356,147357,148842,148843,163840,163873,173695,173696,196608,196641,209397,209398,209934,209935,210597,210598,212091,212092,229376,229384,240651,240652,246137,246138,249975,249978,260546,264676,264744,264745") && 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 ---


# 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 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.");

# 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",":67108864:4351e17e9489850e8d575eb176f49691cc542a12"),
                concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:54f7d239d64bd8bffbf919969cf9b61895792158"),
                package_extract_file("boot.img.p")) ||
    abort(concat(        "E3008: Failed to apply patch to ",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:54f7d239d64bd8bffbf919969cf9b61895792158")));
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);
