getprop("ro.product.device") == "lancelot" || abort("E3004: This package is for \"lancelot\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Redmi/lancelot/lancelot:10/QP1A.190711.020/V11.0.4.0.QJCCNXM:user/release-keys");
ui_print("Target: Redmi/lancelot/lancelot:10/QP1A.190711.020/V11.0.7.0.QJCCNXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/lancelot/lancelot:10/QP1A.190711.020/V11.0.4.0.QJCCNXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/lancelot/lancelot:10/QP1A.190711.020/V11.0.7.0.QJCCNXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/lancelot/lancelot:10/QP1A.190711.020/V11.0.4.0.QJCCNXM:user/release-keys or Redmi/lancelot/lancelot:10/QP1A.190711.020/V11.0.7.0.QJCCNXM: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:f5bf14e96fa101f50ff0a80b89daad33afa1f02e",
                      "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:4bb9e10dcaf04b0b085685d43dff8674d8f2e63b") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:f5bf14e96fa101f50ff0a80b89daad33afa1f02e\" or \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:4bb9e10dcaf04b0b085685d43dff8674d8f2e63b\" has unexpected contents.");
apply_patch_space(76546048) || abort("E3006: Not enough free space on /cache to apply patches.");
patch_partition_check("EMMC:/dev/block/platform/bootdevice/by-name/md1img:58972848:b20e9bac9b3f99f69ca452f47d10a49b0dea3d59",
                      "EMMC:/dev/block/platform/bootdevice/by-name/md1img:59009216:35c9a2a10856061157011495c78fe230a6a137ac") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/md1img:58972848:b20e9bac9b3f99f69ca452f47d10a49b0dea3d59\" or \"EMMC:/dev/block/platform/bootdevice/by-name/md1img:59009216:35c9a2a10856061157011495c78fe230a6a137ac\" has unexpected contents.");
apply_patch_space(58972848) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "88,1,205,213,216,233,240,490,494,510,511,1818,8722,9142,32770,32941,33891,34115,34117,34132,34136,34140,34141,34483,34487,34500,34501,34656,34660,34668,34669,34685,34689,34693,34694,34707,34711,34715,34716,34725,34729,34733,34734,34766,34767,35670,35676,35705,35706,35712,35716,35720,35721,35765,35771,35777,35778,38774,38775,41352,41353,41364,41368,41372,41373,41376,41377,41394,41398,41402,98306,98477,163842,164013,229378,229549,294914,295085,489255,489282,655373,655378,688129,688146,698898,700995,712103,712254,712255") == "15b95673d728bdec4d85a90c3fd0e8de28523ded" || 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"), "88,1,205,213,216,233,240,490,494,510,511,1818,8722,9142,32770,32941,33891,34115,34117,34132,34136,34140,34141,34483,34487,34500,34501,34656,34660,34668,34669,34685,34689,34693,34694,34707,34711,34715,34716,34725,34729,34733,34734,34766,34767,35670,35676,35705,35706,35712,35716,35720,35721,35765,35771,35777,35778,38774,38775,41352,41353,41364,41368,41372,41373,41376,41377,41394,41398,41402,98306,98477,163842,164013,229378,229549,294914,295085,489255,489282,655373,655378,688129,688146,698898,700995,712103,712254,712255") && 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"), "86,1,80,785,791,809,810,815,816,1302,1303,1305,1306,1442,1443,1454,1458,1462,1463,1677,1678,1757,1758,1828,1829,2014,2015,2093,2094,2173,2174,2253,2254,2595,2599,3036,3041,3137,3138,4627,4628,5565,8384,8471,8475,8476,8478,8479,8485,32768,32770,32814,32845,32846,32847,34999,59892,59893,70637,70646,79081,79095,85152,85167,98306,98350,100112,100118,100124,100135,142301,142314,163842,163886,163907,163912,169819,169839,181342,181344,181384,181396,183029,183591,186504,186555,186556") == "4b8ee68625a4c41dd3df72ad63ad8ad9660ab2d6" || 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"), "86,1,80,785,791,809,810,815,816,1302,1303,1305,1306,1442,1443,1454,1458,1462,1463,1677,1678,1757,1758,1828,1829,2014,2015,2093,2094,2173,2174,2253,2254,2595,2599,3036,3041,3137,3138,4627,4628,5565,8384,8471,8475,8476,8478,8479,8485,32768,32770,32814,32845,32846,32847,34999,59892,59893,70637,70646,79081,79095,85152,85167,98306,98350,100112,100118,100124,100135,142301,142314,163842,163886,163907,163912,169819,169839,181342,181344,181384,181396,183029,183591,186504,186555,186556") && 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"), "12,1,595,597,32770,32782,32796,32797,49184,49334,50120,50146,50147") == "7c4037e60e4460c44eb2d2ff478c86b243b09b61" || 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"), "12,1,595,597,32770,32782,32796,32797,49184,49334,50120,50146,50147") && 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:f5bf14e96fa101f50ff0a80b89daad33afa1f02e",
                "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:4bb9e10dcaf04b0b085685d43dff8674d8f2e63b",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:4bb9e10dcaf04b0b085685d43dff8674d8f2e63b");
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("logo.bin", "/dev/block/platform/bootdevice/by-name/logo");
package_extract_file("dtbo.img", "/dev/block/platform/bootdevice/by-name/dtbo");
package_extract_file("exaid.img", "/dev/block/platform/bootdevice/by-name/exaid");
ui_print("Patching md1img image...");
show_progress(0.100000, 10);
patch_partition("EMMC:/dev/block/platform/bootdevice/by-name/md1img:58972848:b20e9bac9b3f99f69ca452f47d10a49b0dea3d59",
                "EMMC:/dev/block/platform/bootdevice/by-name/md1img:59009216:35c9a2a10856061157011495c78fe230a6a137ac",
                package_extract_file("patch/md1img.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/md1img:59009216:35c9a2a10856061157011495c78fe230a6a137ac");
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("scp.img", "/dev/block/platform/bootdevice/by-name/scp2");
package_extract_file("lk.img", "/dev/block/platform/bootdevice/by-name/lk2");
package_extract_file("tee.img", "/dev/block/platform/bootdevice/by-name/tee2");
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("scp1", "scp2");
switch_active("lk", "lk2");
switch_active("tee1", "tee2");
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("scp.img", "/dev/block/platform/bootdevice/by-name/scp1");
package_extract_file("lk.img", "/dev/block/platform/bootdevice/by-name/lk");
package_extract_file("tee.img", "/dev/block/platform/bootdevice/by-name/tee1");
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("scp2", "scp1");
switch_active("lk2", "lk");
switch_active("tee2", "tee1");
switch_active("preloader2", "preloader");
),
ui_print("main loader images are already updated");
);
delete("/cache/recovery/last_mtupdate_stage");
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");
package_extract_file("vbmeta_vendor.img", "/dev/block/platform/bootdevice/by-name/vbmeta_vendor");
post_ota_action();
