getprop("ro.product.device") == "cereus" || abort("E3004: This package is for \"cereus\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: xiaomi/cereus/cereus:9/PPR1.180610.011/V11.0.2.0.PCGMIXM:user/release-keys");
ui_print("Target: xiaomi/cereus/cereus:9/PPR1.180610.011/V11.0.3.0.PCGMIXM:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "xiaomi/cereus/cereus:9/PPR1.180610.011/V11.0.2.0.PCGMIXM:user/release-keys" ||
    getprop("ro.build.fingerprint") == "xiaomi/cereus/cereus:9/PPR1.180610.011/V11.0.3.0.PCGMIXM:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of xiaomi/cereus/cereus:9/PPR1.180610.011/V11.0.2.0.PCGMIXM:user/release-keys or xiaomi/cereus/cereus:9/PPR1.180610.011/V11.0.3.0.PCGMIXM:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
apply_patch_space(206442496) || abort("E3006: Not enough free space on /cache to apply patches.");
apply_patch_check("EMMC:/dev/block/platform/bootdevice/by-name/md1img:56768704:431847bc16e8db397a05a42625776f36e1cc810b:56802896:2e98fdf0f3a45cefd45332b59ce3bb8f203caae8", "431847bc16e8db397a05a42625776f36e1cc810b", "2e98fdf0f3a45cefd45332b59ce3bb8f203caae8") || abort("E3005: \"EMMC:/dev/block/platform/bootdevice/by-name/md1img:56768704:431847bc16e8db397a05a42625776f36e1cc810b:56802896:2e98fdf0f3a45cefd45332b59ce3bb8f203caae8\" has unexpected contents.");
apply_patch_space(56802896) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1("/dev/block/platform/bootdevice/by-name/system", "442,1,425,665,1528,1543,1549,1697,1704,1724,1741,1747,1759,1768,1982,3070,3075,3085,3093,3099,3179,3220,4077,4533,4551,4748,4839,4854,23279,23959,23965,23976,25463,26601,32770,32927,32928,33433,35502,35515,41648,42038,42193,42724,42781,42863,42911,43318,45961,45969,45993,46650,49859,49870,49953,51118,57626,57948,58362,58368,58395,58428,65537,66042,66115,67228,67273,67300,67308,67392,75577,75721,77019,78692,78730,78980,78981,78983,78985,78999,79026,79056,79064,79102,91701,92198,92208,92215,97071,97102,97460,98304,98306,98463,98464,99794,99867,99984,110116,110577,115009,116721,116849,117328,119979,122776,123005,123132,123141,123292,123337,123348,126260,126306,128504,128919,130512,130586,130594,130983,131073,131578,131670,132087,138947,143432,144174,144578,144590,144615,144620,145081,145086,145135,145162,145228,145234,145283,145288,145294,145301,145358,149334,149344,149346,149355,149361,149372,151499,151792,151857,152045,152052,152060,152085,152252,152257,152272,153355,154935,163842,163999,164000,164505,170551,170557,170562,170610,170858,171262,171445,171759,171767,171778,171783,171824,172837,173524,173554,173708,173740,173769,173774,173791,174225,174897,176922,180718,180723,180736,180831,180894,181752,182233,182234,182236,182238,182250,183004,183558,183600,184509,190243,191010,191015,191029,191034,191051,191056,191067,191642,192286,192287,192642,192644,192698,193654,195153,195198,195432,195653,195801,195802,195804,195808,195840,196609,197114,207601,208425,208572,208840,210573,210959,211152,211416,216906,216912,229378,229535,229536,230041,262145,262650,280998,282352,282366,282494,282520,283953,292704,292945,294655,294782,294914,295071,295072,295577,313884,313981,327681,328186,360449,360954,365054,365058,369922,369971,370355,370365,373324,373371,373432,373438,374063,374082,374184,374192,378554,378613,378974,378987,378996,379002,379020,379026,383907,383955,384531,384545,384709,384719,391023,391035,391054,391060,391182,391192,392226,392252,392890,392907,393217,393722,395833,395879,397254,397273,398401,398431,398448,398454,398933,398950,398960,398970,401216,401268,425566,425572,425587,425593,425793,425802,425950,425959,425985,426490,428672,428698,429251,429266,430511,430542,431721,431734,432246,432258,432903,432915,432974,432981,433772,433790,436421,436472,437306,437326,441007,441033,458753,459258,466189,467423,467431,467437,478867,480726,485803,485848,491521,492026,493327,496181,499405,499447,499535,499541,499639,499647,499709,499717,504026,504057,505639,505658,505700,505706,511594,511701,511734,511740,521719,521729,521737,521743,521806,521814,524289,524794,530815,530889,550300,554794,555327,555345,555422,555510,557057,557562,558748,558754,558949,558959,560818,560846,560866,560873,561122,561132,562449,562467,562620,562628,564684,564711,564722,564728,589825,590330,595388,595394,595430,595437,595513,595520,598827,598869,601461,601532,601928,601936,602846,602871,602956,602964,603281,603297,621504,622592,622593,644999,654995") == "bd6fc98ec347f94d1c2f86120d982444c9e972e6" || block_image_verify("/dev/block/platform/bootdevice/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat")) then
ui_print("Verified system image...");
else
check_first_block("/dev/block/platform/bootdevice/by-name/system");
ifelse (block_image_recover("/dev/block/platform/bootdevice/by-name/system", "442,1,425,665,1528,1543,1549,1697,1704,1724,1741,1747,1759,1768,1982,3070,3075,3085,3093,3099,3179,3220,4077,4533,4551,4748,4839,4854,23279,23959,23965,23976,25463,26601,32770,32927,32928,33433,35502,35515,41648,42038,42193,42724,42781,42863,42911,43318,45961,45969,45993,46650,49859,49870,49953,51118,57626,57948,58362,58368,58395,58428,65537,66042,66115,67228,67273,67300,67308,67392,75577,75721,77019,78692,78730,78980,78981,78983,78985,78999,79026,79056,79064,79102,91701,92198,92208,92215,97071,97102,97460,98304,98306,98463,98464,99794,99867,99984,110116,110577,115009,116721,116849,117328,119979,122776,123005,123132,123141,123292,123337,123348,126260,126306,128504,128919,130512,130586,130594,130983,131073,131578,131670,132087,138947,143432,144174,144578,144590,144615,144620,145081,145086,145135,145162,145228,145234,145283,145288,145294,145301,145358,149334,149344,149346,149355,149361,149372,151499,151792,151857,152045,152052,152060,152085,152252,152257,152272,153355,154935,163842,163999,164000,164505,170551,170557,170562,170610,170858,171262,171445,171759,171767,171778,171783,171824,172837,173524,173554,173708,173740,173769,173774,173791,174225,174897,176922,180718,180723,180736,180831,180894,181752,182233,182234,182236,182238,182250,183004,183558,183600,184509,190243,191010,191015,191029,191034,191051,191056,191067,191642,192286,192287,192642,192644,192698,193654,195153,195198,195432,195653,195801,195802,195804,195808,195840,196609,197114,207601,208425,208572,208840,210573,210959,211152,211416,216906,216912,229378,229535,229536,230041,262145,262650,280998,282352,282366,282494,282520,283953,292704,292945,294655,294782,294914,295071,295072,295577,313884,313981,327681,328186,360449,360954,365054,365058,369922,369971,370355,370365,373324,373371,373432,373438,374063,374082,374184,374192,378554,378613,378974,378987,378996,379002,379020,379026,383907,383955,384531,384545,384709,384719,391023,391035,391054,391060,391182,391192,392226,392252,392890,392907,393217,393722,395833,395879,397254,397273,398401,398431,398448,398454,398933,398950,398960,398970,401216,401268,425566,425572,425587,425593,425793,425802,425950,425959,425985,426490,428672,428698,429251,429266,430511,430542,431721,431734,432246,432258,432903,432915,432974,432981,433772,433790,436421,436472,437306,437326,441007,441033,458753,459258,466189,467423,467431,467437,478867,480726,485803,485848,491521,492026,493327,496181,499405,499447,499535,499541,499639,499647,499709,499717,504026,504057,505639,505658,505700,505706,511594,511701,511734,511740,521719,521729,521737,521743,521806,521814,524289,524794,530815,530889,550300,554794,555327,555345,555422,555510,557057,557562,558748,558754,558949,558959,560818,560846,560866,560873,561122,561132,562449,562467,562620,562628,564684,564711,564722,564728,589825,590330,595388,595394,595430,595437,595513,595520,598827,598869,601461,601532,601928,601936,602846,602871,602956,602964,603281,603297,621504,622592,622593,644999,654995") && block_image_verify("/dev/block/platform/bootdevice/by-name/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("/dev/block/platform/bootdevice/by-name/vendor", "20,1,140,555,32770,32817,32818,33323,65537,66042,79599,98304,98306,163840,163842,163889,163890,193485,196553,196607,196608") == "4eb520142f3c1a576695141d58af80fe57382581" || block_image_verify("/dev/block/platform/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat")) then
ui_print("Verified vendor image...");
else
check_first_block("/dev/block/platform/bootdevice/by-name/vendor");
ifelse (block_image_recover("/dev/block/platform/bootdevice/by-name/vendor", "20,1,140,555,32770,32817,32818,33323,65537,66042,79599,98304,98306,163840,163842,163889,163890,193485,196553,196607,196608") && block_image_verify("/dev/block/platform/bootdevice/by-name/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;

# ---- start making changes here ----

ui_print("Installing boot image...");
package_extract_file("boot.img", "/dev/block/platform/bootdevice/by-name/boot");
show_progress(0.600000, 400);
ui_print("Patching system image after verification.");
block_image_update("/dev/block/platform/bootdevice/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat") ||
  abort("E1001: Failed to update system image.");
ui_print("Patching vendor image after verification.");
block_image_update("/dev/block/platform/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");
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("odmdtbo.img", "/dev/block/platform/bootdevice/by-name/odmdtbo");
ui_print("Patching md1img image...");
show_progress(0.100000, 10);
apply_patch("EMMC:/dev/block/platform/bootdevice/by-name/md1img:56768704:431847bc16e8db397a05a42625776f36e1cc810b:56802896:2e98fdf0f3a45cefd45332b59ce3bb8f203caae8",
            "-", 2e98fdf0f3a45cefd45332b59ce3bb8f203caae8, 56802896,
            431847bc16e8db397a05a42625776f36e1cc810b, package_extract_file("patch/md1img.img.p")) || abort("Failed to apply patch \"patch/md1img.img.p \".");
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");
assert(set_emmc_writable("/sys/block/mmcblk0boot1/force_ro"),
       package_extract_file("preloader.img", "/dev/block/mmcblk0boot1"));

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");
assert(set_emmc_writable("/sys/block/mmcblk0boot0/force_ro"),
       package_extract_file("preloader.img", "/dev/block/mmcblk0boot0"));

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.img", "/dev/block/platform/bootdevice/by-name/vbmeta");
set_ota_result_for_dm_verity();
show_progress(0.100000, 2);
