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_in/dandelion:10/QP1A.190711.020/V12.0.17.0.QCDINXM:user/release-keys");
ui_print("Target: Redmi/dandelion_in/dandelion:10/QP1A.190711.020/V12.0.18.0.QCDINXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/dandelion_in/dandelion:10/QP1A.190711.020/V12.0.17.0.QCDINXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/dandelion_in/dandelion:10/QP1A.190711.020/V12.0.18.0.QCDINXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/dandelion_in/dandelion:10/QP1A.190711.020/V12.0.17.0.QCDINXM:user/release-keys or Redmi/dandelion_in/dandelion:10/QP1A.190711.020/V12.0.18.0.QCDINXM: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:fc8a1bca2441899d9becd65a76e2852e0cd49fc7",
                      "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:9670c8b8a368eeacf772e29dee69359e5a0f87b2") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:fc8a1bca2441899d9becd65a76e2852e0cd49fc7\" or \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:9670c8b8a368eeacf772e29dee69359e5a0f87b2\" has unexpected contents.");
apply_patch_space(67108864) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "18,1,32770,32900,98306,98436,163842,163972,229378,229508,294914,295044,524305,524307,533221,534838,543314,543432,543433") == "5c403d3de6dd121c3518de95f02f48a682cb360d" || 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"), "18,1,32770,32900,98306,98436,163842,163972,229378,229508,294914,295044,524305,524307,533221,534838,543314,543432,543433") && 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"), "32,1,65,800,806,824,825,827,828,830,831,1122,1128,1514,1515,1627,1641,3340,3341,3395,3415,3424,3431,3778,32770,32795,98306,98331,103121,103444,105088,105123,105124") == "226702a7f7850697858bb0f2106e088d4af2f59c" || 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"), "32,1,65,800,806,824,825,827,828,830,831,1122,1128,1514,1515,1627,1641,3340,3341,3395,3415,3424,3431,3778,32770,32795,98306,98331,103121,103444,105088,105123,105124") && 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"), "142,1,76,5808,5812,8751,8752,9296,9302,9319,9320,12855,12859,17072,17073,28711,28712,31138,31139,31778,31782,32552,32553,32768,32770,32829,32836,32985,32989,33496,33497,33509,33513,33517,33518,35358,35362,36799,36800,44665,44666,58583,58584,65536,65543,78134,78135,78141,78142,93406,93407,93486,93490,93496,93497,95511,95512,98304,98306,98365,98372,104396,104397,109154,109155,115453,115454,115457,115458,115467,115468,115469,115470,115485,115486,115487,115488,115493,115494,115532,115536,115541,115542,115554,115557,116006,116007,116378,116379,118485,118487,121299,121301,131072,131105,140151,140152,145445,145447,145873,145875,146056,146058,146105,146107,146248,146250,147646,147648,148734,148736,148745,148816,158187,163842,163901,179592,180079,180081,182830,182832,184973,184975,196608,196632,225948,225949,229376,229378,229437,229441,231413,231414,231444,231448,231452,231453,235163,235166,245688,249583,249647,249648") == "fcd3a1ee9589cef3380072ea65ec13ebba7c7efb" || 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"), "142,1,76,5808,5812,8751,8752,9296,9302,9319,9320,12855,12859,17072,17073,28711,28712,31138,31139,31778,31782,32552,32553,32768,32770,32829,32836,32985,32989,33496,33497,33509,33513,33517,33518,35358,35362,36799,36800,44665,44666,58583,58584,65536,65543,78134,78135,78141,78142,93406,93407,93486,93490,93496,93497,95511,95512,98304,98306,98365,98372,104396,104397,109154,109155,115453,115454,115457,115458,115467,115468,115469,115470,115485,115486,115487,115488,115493,115494,115532,115536,115541,115542,115554,115557,116006,116007,116378,116379,118485,118487,121299,121301,131072,131105,140151,140152,145445,145447,145873,145875,146056,146058,146105,146107,146248,146250,147646,147648,148734,148736,148745,148816,158187,163842,163901,179592,180079,180081,182830,182832,184973,184975,196608,196632,225948,225949,229376,229378,229437,229441,231413,231414,231444,231448,231452,231453,235163,235166,245688,249583,249647,249648") && 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:fc8a1bca2441899d9becd65a76e2852e0cd49fc7",
                "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:9670c8b8a368eeacf772e29dee69359e5a0f87b2",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:9670c8b8a368eeacf772e29dee69359e5a0f87b2");
show_progress(0.600000, 600);

# --- Start patching dynamic partitions ---


# 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 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.");

# 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();
