getprop("ro.product.device") == "davinci" || abort("E3004: This package is for \"davinci\" devices; this is a \"" + getprop("ro.product.device") + "\".");
ui_print("Source: Xiaomi/davinci/davinci:9/PKQ1.190302.001/9.8.1:user/release-keys");
ui_print("Target: Xiaomi/davinci/davinci:9/PKQ1.190302.001/9.8.8:user/release-keys");
ui_print("Verifying current system...");
getprop("ro.build.fingerprint") == "Xiaomi/davinci/davinci:9/PKQ1.190302.001/9.8.1:user/release-keys" ||
    getprop("ro.build.fingerprint") == "Xiaomi/davinci/davinci:9/PKQ1.190302.001/9.8.8:user/release-keys" ||
    abort("E3001: Package expects build fingerprint of Xiaomi/davinci/davinci:9/PKQ1.190302.001/9.8.1:user/release-keys or Xiaomi/davinci/davinci:9/PKQ1.190302.001/9.8.8:user/release-keys; this device has " + getprop("ro.build.fingerprint") + ".");
show_progress(0.100000, 5);
apply_patch_check("EMMC:/dev/block/bootdevice/by-name/boot:134217728:dc7ca011b1fd1e873f91a3ebd8ae1917f69480eb:134217728:bf4ecbc1249382dd0af98b1fc6a2ba9b6d1aadd5") || abort("E3005: \"EMMC:/dev/block/bootdevice/by-name/boot:134217728:dc7ca011b1fd1e873f91a3ebd8ae1917f69480eb:134217728:bf4ecbc1249382dd0af98b1fc6a2ba9b6d1aadd5\" has unexpected contents.");
apply_patch_space(134217728) || abort("E3006: Not enough free space on /cache to apply patches.");
show_progress(0.100000, 70);
if (range_sha1("/dev/block/bootdevice/by-name/system", "86,1,239,254,616,8318,8325,8337,10844,16721,16722,19473,19474,20936,20937,25047,25048,25778,26352,26513,26514,31437,31438,32768,32770,41219,41220,43008,44384,45104,46567,50117,50119,50311,50312,51369,51560,51809,51810,52150,98306,98526,150881,159859,163842,164062,173247,181982,229378,229598,294914,295134,452709,453234,524297,524299,524300,530360,538606,538889,700539,700806,702913,703190,703366,703464,708471,708659,708750,709522,709586,709605,709679,709774,709886,709892,709895,710846,812378,819200,819202,884736,884738,903007,917316,917503,917504") == "3a62734ee6f0a7f5f6df5e608776f0b6eb83d7e9" || block_image_verify("/dev/block/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/bootdevice/by-name/system");
ifelse (block_image_recover("/dev/block/bootdevice/by-name/system", "86,1,239,254,616,8318,8325,8337,10844,16721,16722,19473,19474,20936,20937,25047,25048,25778,26352,26513,26514,31437,31438,32768,32770,41219,41220,43008,44384,45104,46567,50117,50119,50311,50312,51369,51560,51809,51810,52150,98306,98526,150881,159859,163842,164062,173247,181982,229378,229598,294914,295134,452709,453234,524297,524299,524300,530360,538606,538889,700539,700806,702913,703190,703366,703464,708471,708659,708750,709522,709586,709605,709679,709774,709886,709892,709895,710846,812378,819200,819202,884736,884738,903007,917316,917503,917504") && block_image_verify("/dev/block/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/bootdevice/by-name/vendor", "22,1,109,120,275,6168,6189,6230,32770,32864,98306,98400,163842,163936,229378,229472,294914,295008,349094,386991,393125,393215,393216") == "27accf6527c8cf8cc82e30b61bd3ce3d7bef36e4" || block_image_verify("/dev/block/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/bootdevice/by-name/vendor");
ifelse (block_image_recover("/dev/block/bootdevice/by-name/vendor", "22,1,109,120,275,6168,6189,6230,32770,32864,98306,98400,163842,163936,229378,229472,294914,295008,349094,386991,393125,393215,393216") && block_image_verify("/dev/block/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("Patching boot image...");
show_progress(0.100000, 10);
apply_patch("EMMC:/dev/block/bootdevice/by-name/boot:134217728:dc7ca011b1fd1e873f91a3ebd8ae1917f69480eb:134217728:bf4ecbc1249382dd0af98b1fc6a2ba9b6d1aadd5",
            "-", bf4ecbc1249382dd0af98b1fc6a2ba9b6d1aadd5, 134217728,
            dc7ca011b1fd1e873f91a3ebd8ae1917f69480eb, package_extract_file("patch/boot.img.p")) || abort("Failed to apply patch \"patch/boot.img.p \".");

# ---- radio update tasks ----

ui_print("Patching firmware images...");
package_extract_file("firmware-update/cmnlib64.mbn", "/dev/block/bootdevice/by-name/cmnlib64");
package_extract_file("firmware-update/imagefv.elf", "/dev/block/bootdevice/by-name/imagefv");
package_extract_file("firmware-update/cmnlib.mbn", "/dev/block/bootdevice/by-name/cmnlib");
package_extract_file("firmware-update/hyp.mbn", "/dev/block/bootdevice/by-name/hyp");
package_extract_file("firmware-update/BTFM.bin", "/dev/block/bootdevice/by-name/bluetooth");
package_extract_file("firmware-update/tz.mbn", "/dev/block/bootdevice/by-name/tz");
package_extract_file("firmware-update/aop.mbn", "/dev/block/bootdevice/by-name/aop");
package_extract_file("firmware-update/xbl_config.elf", "/dev/block/bootdevice/by-name/xbl_config");
package_extract_file("firmware-update/storsec.mbn", "/dev/block/bootdevice/by-name/storsec");
package_extract_file("firmware-update/uefi_sec.mbn", "/dev/block/bootdevice/by-name/uefisecapp");
package_extract_file("firmware-update/NON-HLOS.bin", "/dev/block/bootdevice/by-name/modem");
package_extract_file("firmware-update/qupv3fw.elf", "/dev/block/bootdevice/by-name/qupfw");
package_extract_file("firmware-update/abl.elf", "/dev/block/bootdevice/by-name/abl");
package_extract_file("firmware-update/dspso.bin", "/dev/block/bootdevice/by-name/dsp");
package_extract_file("firmware-update/devcfg.mbn", "/dev/block/bootdevice/by-name/devcfg");
package_extract_file("firmware-update/xbl.elf", "/dev/block/bootdevice/by-name/xbl");
package_extract_file("firmware-update/km4.mbn", "/dev/block/bootdevice/by-name/keymaster");
package_extract_file("firmware-update/cmnlib64.mbn", "/dev/block/bootdevice/by-name/cmnlib64bak");
package_extract_file("firmware-update/imagefv.elf", "/dev/block/bootdevice/by-name/imagefvbak");
package_extract_file("firmware-update/cmnlib.mbn", "/dev/block/bootdevice/by-name/cmnlibbak");
package_extract_file("firmware-update/hyp.mbn", "/dev/block/bootdevice/by-name/hypbak");
package_extract_file("firmware-update/tz.mbn", "/dev/block/bootdevice/by-name/tzbak");
package_extract_file("firmware-update/aop.mbn", "/dev/block/bootdevice/by-name/aopbak");
package_extract_file("firmware-update/xbl_config.elf", "/dev/block/bootdevice/by-name/xbl_configbak");
package_extract_file("firmware-update/uefi_sec.mbn", "/dev/block/bootdevice/by-name/uefisecappbak");
package_extract_file("firmware-update/qupv3fw.elf", "/dev/block/bootdevice/by-name/qupfwbak");
package_extract_file("firmware-update/abl.elf", "/dev/block/bootdevice/by-name/ablbak");
package_extract_file("firmware-update/devcfg.mbn", "/dev/block/bootdevice/by-name/devcfgbak");
package_extract_file("firmware-update/xbl.elf", "/dev/block/bootdevice/by-name/xblbak");
package_extract_file("firmware-update/km4.mbn", "/dev/block/bootdevice/by-name/keymasterbak");
show_progress(0.600000, 600);
ui_print("Patching system image after verification.");
block_image_update("/dev/block/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/bootdevice/by-name/vendor", package_extract_file("vendor.transfer.list"), "vendor.new.dat", "vendor.patch.dat") ||
  abort("E2001: Failed to update vendor image.");

# ---- radio update tasks 2 ----

ui_print("Patching vbmeta dtbo logo binimages...");
package_extract_file("firmware-update/vbmeta.img", "/dev/block/bootdevice/by-name/vbmeta");
package_extract_file("firmware-update/dtbo.img", "/dev/block/bootdevice/by-name/dtbo");
show_progress(0.100000, 2);
