getprop("ro.product.device") == "angelicain" || abort("E3004: This package is for \"angelicain\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: POCO/angelicain_in/angelicain:11/RP1A.200720.011/V12.5.3.0.RCRINRF:user/release-keys");
ui_print("Target: POCO/angelicain_in/angelicain:11/RP1A.200720.011/V12.5.4.0.RCRINRF:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "POCO/angelicain_in/angelicain:11/RP1A.200720.011/V12.5.3.0.RCRINRF:user/release-keys" ||
    getprop("ro.build.fingerprint") == "POCO/angelicain_in/angelicain:11/RP1A.200720.011/V12.5.4.0.RCRINRF:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of POCO/angelicain_in/angelicain:11/RP1A.200720.011/V12.5.3.0.RCRINRF:user/release-keys or POCO/angelicain_in/angelicain:11/RP1A.200720.011/V12.5.4.0.RCRINRF:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
patch_partition_check(concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:67b80c5d948ab4a23679298210007e78fba76323"),
                      concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:5de012c46545cb0c7691f099593eea8bddbe0330")) ||
    abort(concat("E3005: \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:67b80c5d948ab4a23679298210007e78fba76323"),"\" or \"",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:5de012c46545cb0c7691f099593eea8bddbe0330"),"\" has unexpected contents."));
apply_patch_space(67108864) || abort("E3006: Not enough free space on /cache to apply patches.");
if (range_sha1(map_partition("system"), "40,1,34081,48297,48299,48372,48373,48386,48387,48394,48395,50717,50718,50856,50857,50889,50890,51012,53895,58203,58204,58219,58220,58318,58319,61491,61492,62581,62582,62670,62671,62746,66066,66292,491524,491538,521215,522780,531065,531181,531182") == "69159fe1107a4fc04f9e144a5f5b2ecc3a7cf4fa" || 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"), "40,1,34081,48297,48299,48372,48373,48386,48387,48394,48395,50717,50718,50856,50857,50889,50890,51012,53895,58203,58204,58219,58220,58318,58319,61491,61492,62581,62582,62670,62671,62746,66066,66292,491524,491538,521215,522780,531065,531181,531182") && 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"), "28,1,40,43,44,47,48,51,52,55,56,59,60,63,64,67,68,71,72,369,375,528,98336,98337,111607,111946,113722,113760,113761") == "c5adf90c253824fde92c1963d92e2cac351035ea" || 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"), "28,1,40,43,44,47,48,51,52,55,56,59,60,63,64,67,68,71,72,369,375,528,98336,98337,111607,111946,113722,113760,113761") && 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"), "90,1,15,8700,8701,12599,12600,27214,27215,30318,30319,30994,30995,32768,32776,34303,34304,34666,34667,34679,34680,36520,36521,50910,50911,65536,65542,70414,70415,91658,91659,91666,91667,98304,98312,99024,99025,116670,116671,116725,116726,119144,119145,131072,131078,131079,131080,134225,134226,134233,134234,134240,134241,140539,140540,140548,140550,140553,140554,140555,140556,140557,140558,140570,140571,140574,140576,140577,140578,140579,140580,140591,140592,140593,140596,141045,141046,141417,141418,142903,142904,163840,163875,167758,167759,174355,253284,254052,258081,258145,258146") == "ff561316d8e5661a9cf72799e7f2b0b7088d5362" || 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"), "90,1,15,8700,8701,12599,12600,27214,27215,30318,30319,30994,30995,32768,32776,34303,34304,34666,34667,34679,34680,36520,36521,50910,50911,65536,65542,70414,70415,91658,91659,91666,91667,98304,98312,99024,99025,116670,116671,116725,116726,119144,119145,131072,131078,131079,131080,134225,134226,134233,134234,134240,134241,140539,140540,140548,140550,140553,140554,140555,140556,140557,140558,140570,140571,140574,140576,140577,140578,140579,140580,140591,140592,140593,140596,141045,141046,141417,141418,142903,142904,163840,163875,167758,167759,174355,253284,254052,258081,258145,258146") && 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",":67108864:67b80c5d948ab4a23679298210007e78fba76323"),
                concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:5de012c46545cb0c7691f099593eea8bddbe0330"),
                package_extract_file("boot.img.p")) ||
    abort(concat(        "E3008: Failed to apply patch to ",concat("EMMC:","/dev/block/platform/bootdevice/by-name/boot",":67108864:5de012c46545cb0c7691f099593eea8bddbe0330")));
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);
