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/dandelion:11/RP1A.200720.011/V12.5.16.0.RCDCNXM:user/release-keys");
ui_print("Target: Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.18.0.RCDCNXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.16.0.RCDCNXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.18.0.RCDCNXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.16.0.RCDCNXM:user/release-keys or Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.18.0.RCDCNXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
patch_partition_check(concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:27b0f493bad83bb9b992075eac88133960324e4c"),
                      concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fe6e50da65a6f16763779f43e2de16ac6a7aa46a")) ||
    abort(concat("E3005: \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:27b0f493bad83bb9b992075eac88133960324e4c"),"\" or \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fe6e50da65a6f16763779f43e2de16ac6a7aa46a"),"\" has unexpected contents."));
apply_patch_space(107102208) || abort("E3006: Not enough free space on /cache to apply patches.");
if (range_sha1(map_partition("system"), "152,1,30,43,54,32768,32784,40568,40570,40742,40743,40816,40817,41025,41026,41036,41037,41044,41045,41077,41079,42711,42712,42725,42726,42730,42731,42752,45520,48422,48423,48433,48434,48532,48533,54149,54150,54154,54155,54243,54244,54319,54320,57439,57440,57666,57667,58685,58686,61093,61094,62506,62507,65536,65550,68631,68633,73203,73204,73211,73212,73228,73229,73856,73857,73981,73982,75590,75591,75831,75832,75972,75973,79516,79517,80511,80512,84860,84861,86850,86851,91057,91058,91875,91876,91898,91901,94085,94088,97253,97254,97417,97816,98304,98320,99301,99302,100264,100267,101650,101651,106985,106986,108296,108297,108920,108921,110844,110847,119098,119099,127314,127315,129509,129510,129515,129518,131072,131086,133572,133573,133636,133637,133659,133662,134796,134799,134826,134827,134896,134897,134937,134938,134980,134981,135326,135327,136391,136392,136457,136458,136528,136529,136680,589832,589838,622593,622606,623326,625196,635104,635238,635239") == "f69648f0c3a5ce317784a1c25e91f925639f58b7" || 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"), "152,1,30,43,54,32768,32784,40568,40570,40742,40743,40816,40817,41025,41026,41036,41037,41044,41045,41077,41079,42711,42712,42725,42726,42730,42731,42752,45520,48422,48423,48433,48434,48532,48533,54149,54150,54154,54155,54243,54244,54319,54320,57439,57440,57666,57667,58685,58686,61093,61094,62506,62507,65536,65550,68631,68633,73203,73204,73211,73212,73228,73229,73856,73857,73981,73982,75590,75591,75831,75832,75972,75973,79516,79517,80511,80512,84860,84861,86850,86851,91057,91058,91875,91876,91898,91901,94085,94088,97253,97254,97417,97816,98304,98320,99301,99302,100264,100267,101650,101651,106985,106986,108296,108297,108920,108921,110844,110847,119098,119099,127314,127315,129509,129510,129515,129518,131072,131086,133572,133573,133636,133637,133659,133662,134796,134799,134826,134827,134896,134897,134937,134938,134980,134981,135326,135327,136391,136392,136457,136458,136528,136529,136680,589832,589838,622593,622606,623326,625196,635104,635238,635239") && 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"), "32,1,34,37,38,41,42,45,46,49,50,53,54,57,58,61,62,65,71,749,750,1635,1636,2514,2515,3606,3610,14255,156558,157037,159528,159574,159575") == "b2b52a068a4d35473869850868981db5b993629f" || 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"), "32,1,34,37,38,41,42,45,46,49,50,53,54,57,58,61,62,65,71,749,750,1635,1636,2514,2515,3606,3610,14255,156558,157037,159528,159574,159575") && 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"), "120,1,34,41,42,45,46,17691,17692,17732,17733,20151,20152,26450,26451,26459,26460,26463,26464,26467,26468,26469,26470,26472,26473,26474,26475,26477,26480,26929,26930,27301,27302,28787,28788,28878,28880,28883,28884,28887,28888,28891,28892,28895,28896,28899,28900,28903,28904,28907,28908,28912,28913,28917,28918,28922,28923,28927,28928,28932,28933,28939,28940,28961,28962,28969,28970,28991,28992,29009,29010,29016,29017,29035,29036,29043,29044,29063,29064,29079,29080,29085,29086,29106,29107,29114,29115,29136,29137,29154,29155,29161,29162,29165,29166,29169,29170,29173,29174,29177,29178,29181,29182,29191,29192,29195,29196,29200,29201,29205,29206,29210,29211,29215,29217,29222,29223,29954,30433,30454,30455") == "224348ba31e69be045e1ff5d56b26120083e2134" || 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"), "120,1,34,41,42,45,46,17691,17692,17732,17733,20151,20152,26450,26451,26459,26460,26463,26464,26467,26468,26469,26470,26472,26473,26474,26475,26477,26480,26929,26930,27301,27302,28787,28788,28878,28880,28883,28884,28887,28888,28891,28892,28895,28896,28899,28900,28903,28904,28907,28908,28912,28913,28917,28918,28922,28923,28927,28928,28932,28933,28939,28940,28961,28962,28969,28970,28991,28992,29009,29010,29016,29017,29035,29036,29043,29044,29063,29064,29079,29080,29085,29086,29106,29107,29114,29115,29136,29137,29154,29155,29161,29162,29165,29166,29169,29170,29173,29174,29177,29178,29181,29182,29191,29192,29195,29196,29200,29201,29205,29206,29210,29211,29215,29217,29222,29223,29954,30433,30454,30455") && 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",":67108864:27b0f493bad83bb9b992075eac88133960324e4c"),
                concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fe6e50da65a6f16763779f43e2de16ac6a7aa46a"),
                package_extract_file("boot.img.p")) ||
    abort(concat(        "E3008: Failed to apply patch to ",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:fe6e50da65a6f16763779f43e2de16ac6a7aa46a")));
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);
