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/V12.5.5.0.RCDCNXM:user/release-keys");
ui_print("Target: Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.9.0.RCDCNXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.5.0.RCDCNXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.9.0.RCDCNXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.5.0.RCDCNXM:user/release-keys or Redmi/dandelion/dandelion:11/RP1A.200720.011/V12.5.9.0.RCDCNXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
patch_partition_check(concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:7aac6e80895718e5242a9298d2f951093635091c"),
                      concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:6ecea71cb20a09fd5b0549ceea8f388264dad8a2")) ||
    abort(concat("E3005: \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:7aac6e80895718e5242a9298d2f951093635091c"),"\" or \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:6ecea71cb20a09fd5b0549ceea8f388264dad8a2"),"\" has unexpected contents."));
apply_patch_space(67108864) || abort("E3006: Not enough free space on /cache to apply patches.");
if (range_sha1(map_partition("system"), "12,1,30,43,54,19779,589832,589838,614703,616567,626338,626473,626474") == "b2a61eaa212046c2f9dbe18cf47ea7402ab2f66f" || 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"), "12,1,30,43,54,19779,589832,589838,614703,616567,626338,626473,626474") && 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"), "24,1,34,36,37,39,40,42,43,45,46,48,49,51,52,54,55,57,131096,131097,153150,153619,156056,156103,156104") == "f652c6af0052cb2b0626698fcfb72d64027eece5" || 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"), "24,1,34,36,37,39,40,42,43,45,46,48,49,51,52,54,55,57,131096,131097,153150,153619,156056,156103,156104") && 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"), "120,1,34,39,40,42,43,17487,17488,17527,17528,19903,19904,26202,26203,26211,26212,26215,26216,26219,26220,26221,26222,26224,26225,26226,26227,26229,26232,26681,26682,27053,27054,28539,28540,28630,28632,28634,28635,28637,28638,28640,28641,28643,28644,28646,28647,28649,28650,28652,28653,28655,28656,28658,28659,28661,28662,28664,28665,28667,28668,28672,28673,28693,28694,28700,28701,28721,28722,28738,28739,28743,28744,28761,28762,28767,28768,28787,28788,28802,28803,28807,28808,28827,28828,28834,28835,28855,28856,28871,28872,28876,28877,28879,28880,28882,28883,28885,28886,28888,28889,28891,28892,28898,28899,28901,28902,28904,28905,28907,28908,28910,28911,28913,28915,28919,28920,29648,30122,30144,30145") == "d078289b955454b8e57eef0a687891fba35d52e8" || 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"), "120,1,34,39,40,42,43,17487,17488,17527,17528,19903,19904,26202,26203,26211,26212,26215,26216,26219,26220,26221,26222,26224,26225,26226,26227,26229,26232,26681,26682,27053,27054,28539,28540,28630,28632,28634,28635,28637,28638,28640,28641,28643,28644,28646,28647,28649,28650,28652,28653,28655,28656,28658,28659,28661,28662,28664,28665,28667,28668,28672,28673,28693,28694,28700,28701,28721,28722,28738,28739,28743,28744,28761,28762,28767,28768,28787,28788,28802,28803,28807,28808,28827,28828,28834,28835,28855,28856,28871,28872,28876,28877,28879,28880,28882,28883,28885,28886,28888,28889,28891,28892,28898,28899,28901,28902,28904,28905,28907,28908,28910,28911,28913,28915,28919,28920,29648,30122,30144,30145") && 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",":67108864:7aac6e80895718e5242a9298d2f951093635091c"),
                concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:6ecea71cb20a09fd5b0549ceea8f388264dad8a2"),
                package_extract_file("boot.img.p")) ||
    abort(concat(        "E3008: Failed to apply patch to ",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:6ecea71cb20a09fd5b0549ceea8f388264dad8a2")));
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);
