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/V12.0.6.0.QJCCNXM:user/release-keys");
ui_print("Target: Redmi/lancelot/lancelot:10/QP1A.190711.020/V12.0.7.0.QJCCNXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Redmi/lancelot/lancelot:10/QP1A.190711.020/V12.0.6.0.QJCCNXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Redmi/lancelot/lancelot:10/QP1A.190711.020/V12.0.7.0.QJCCNXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Redmi/lancelot/lancelot:10/QP1A.190711.020/V12.0.6.0.QJCCNXM:user/release-keys or Redmi/lancelot/lancelot:10/QP1A.190711.020/V12.0.7.0.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:f95553c1a99386e35a2d502d8bfd1d9d295bea38",
                      "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:549a2089bd804e65f3250f53b6d0eb04b16666b9") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:f95553c1a99386e35a2d502d8bfd1d9d295bea38\" or \"EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:549a2089bd804e65f3250f53b6d0eb04b16666b9\" has unexpected contents.");
apply_patch_space(99864576) || abort("E3006: Not enough free space on /cache to apply patches.");
patch_partition_check("EMMC:/dev/block/platform/bootdevice/by-name/md1img:59066208:5972947696e782138531947afeec39abfb2f3444",
                      "EMMC:/dev/block/platform/bootdevice/by-name/md1img:59070448:09439325ff29a551f914190aed2754cf16f722d7") ||
    abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/md1img:59066208:5972947696e782138531947afeec39abfb2f3444\" or \"EMMC:/dev/block/platform/bootdevice/by-name/md1img:59070448:09439325ff29a551f914190aed2754cf16f722d7\" has unexpected contents.");
apply_patch_space(59066208) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1(map_partition("system"), "22,1,32770,32953,98306,98489,163842,164025,229378,229561,293665,294912,294914,295097,295114,298764,720901,720913,750446,752721,764648,764808,764809") == "519446e9c1f65f9cdaa143f59aac5f302837913b" || 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"), "22,1,32770,32953,98306,98489,163842,164025,229378,229561,293665,294912,294914,295097,295114,298764,720901,720913,750446,752721,764648,764808,764809") && 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"), "250,1,80,785,791,809,810,815,816,818,819,1305,1306,1308,1309,1445,1446,1457,1461,1465,1466,1680,1681,1760,1761,1831,1832,2017,2018,2096,2097,2176,2177,2256,2257,3208,3209,4698,4699,5749,6370,7286,7287,8543,8547,8548,8550,32768,32770,32814,32847,34625,34626,41161,41162,48291,48296,58222,58224,58274,58275,58343,58344,58675,58676,59026,59027,59140,59141,60042,60044,62686,62688,63022,63023,63323,63324,63356,63357,63395,63396,63453,63454,64142,64339,65055,65108,65536,65584,75637,75655,79988,80016,80844,80926,82491,82512,82724,82793,83454,83455,83490,83492,83912,83938,86175,88412,88462,88463,98304,98306,98350,98386,100046,100047,101119,101120,101454,101455,101795,101796,102129,102130,104680,104689,106158,106159,120967,121130,123786,123787,126061,126653,126677,126705,131072,131102,131565,131566,138720,138904,139776,139777,140732,140869,141658,141659,143236,143262,145723,145745,145961,146057,146819,146821,152668,152669,159376,159377,163840,163842,163886,163908,164298,164299,164323,164324,165302,165303,165371,165372,165634,165635,165972,165973,166326,166327,166659,166660,166998,166999,167325,167326,167659,167660,167986,167987,168321,168322,168654,168655,168996,168997,169331,169332,169679,169680,170008,170009,170346,170347,170669,170670,170754,170755,170996,170997,171312,171313,171634,171635,171951,171952,172274,172275,172591,172592,172689,172690,176914,176916,177026,177028,177029,177033,177035,177037,177042,177043,177051,177052,177076,177077,177097,177101,177107,177108,177113,177119,179574,179576,181525,181526,182035,182037,183698,183732,184298,187222,187274,187275") == "d307b1418f060de25cf8ca2a08ff251a638c4a5d" || 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"), "250,1,80,785,791,809,810,815,816,818,819,1305,1306,1308,1309,1445,1446,1457,1461,1465,1466,1680,1681,1760,1761,1831,1832,2017,2018,2096,2097,2176,2177,2256,2257,3208,3209,4698,4699,5749,6370,7286,7287,8543,8547,8548,8550,32768,32770,32814,32847,34625,34626,41161,41162,48291,48296,58222,58224,58274,58275,58343,58344,58675,58676,59026,59027,59140,59141,60042,60044,62686,62688,63022,63023,63323,63324,63356,63357,63395,63396,63453,63454,64142,64339,65055,65108,65536,65584,75637,75655,79988,80016,80844,80926,82491,82512,82724,82793,83454,83455,83490,83492,83912,83938,86175,88412,88462,88463,98304,98306,98350,98386,100046,100047,101119,101120,101454,101455,101795,101796,102129,102130,104680,104689,106158,106159,120967,121130,123786,123787,126061,126653,126677,126705,131072,131102,131565,131566,138720,138904,139776,139777,140732,140869,141658,141659,143236,143262,145723,145745,145961,146057,146819,146821,152668,152669,159376,159377,163840,163842,163886,163908,164298,164299,164323,164324,165302,165303,165371,165372,165634,165635,165972,165973,166326,166327,166659,166660,166998,166999,167325,167326,167659,167660,167986,167987,168321,168322,168654,168655,168996,168997,169331,169332,169679,169680,170008,170009,170346,170347,170669,170670,170754,170755,170996,170997,171312,171313,171634,171635,171951,171952,172274,172275,172591,172592,172689,172690,176914,176916,177026,177028,177029,177033,177035,177037,177042,177043,177051,177052,177076,177077,177097,177101,177107,177108,177113,177119,179574,179576,181525,181526,182035,182037,183698,183732,184298,187222,187274,187275") && 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"), "114,1,37,570,576,593,594,596,597,15162,15163,30844,30845,32256,32257,32768,32770,32782,32796,35777,35778,38888,38892,38895,38896,38908,38909,38910,38911,38956,38957,39016,39019,39468,39469,39840,39841,41326,41327,41417,41419,41421,41422,41424,41425,41427,41428,41430,41431,41433,41434,41436,41437,41439,41440,41442,41443,41445,41446,41448,41449,41451,41452,41471,41472,41477,41478,41497,41498,41513,41514,41518,41519,41535,41536,41541,41542,41560,41561,41574,41575,41579,41580,41597,41598,41603,41604,41623,41624,41638,41639,41641,41642,41644,41645,41647,41648,41650,41651,41653,41654,41656,41657,41659,41660,41662,41663,41665,41666,41668,52883,53044,53889,53916,53917") == "1ab6e443b961184fc7352b47af518d09a1257a80" || 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"), "114,1,37,570,576,593,594,596,597,15162,15163,30844,30845,32256,32257,32768,32770,32782,32796,35777,35778,38888,38892,38895,38896,38908,38909,38910,38911,38956,38957,39016,39019,39468,39469,39840,39841,41326,41327,41417,41419,41421,41422,41424,41425,41427,41428,41430,41431,41433,41434,41436,41437,41439,41440,41442,41443,41445,41446,41448,41449,41451,41452,41471,41472,41477,41478,41497,41498,41513,41514,41518,41519,41535,41536,41541,41542,41560,41561,41574,41575,41579,41580,41597,41598,41603,41604,41623,41624,41638,41639,41641,41642,41644,41645,41647,41648,41650,41651,41653,41654,41656,41657,41659,41660,41662,41663,41665,41666,41668,52883,53044,53889,53916,53917") && 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:f95553c1a99386e35a2d502d8bfd1d9d295bea38",
                "EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:549a2089bd804e65f3250f53b6d0eb04b16666b9",
                package_extract_file("boot.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/boot:67108864:549a2089bd804e65f3250f53b6d0eb04b16666b9");
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:59066208:5972947696e782138531947afeec39abfb2f3444",
                "EMMC:/dev/block/platform/bootdevice/by-name/md1img:59070448:09439325ff29a551f914190aed2754cf16f722d7",
                package_extract_file("patch/md1img.img.p")) ||
    abort("E3008: Failed to apply patch to EMMC:/dev/block/platform/bootdevice/by-name/md1img:59070448:09439325ff29a551f914190aed2754cf16f722d7");
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();
