edify

assert(getprop("ro.product.device") == "hammerhead" || getprop("ro.build.product") == "hammerhead" || abort("This package is for device: hammerhead; this device is " + getprop("ro.product.device") + "."););
ifelse(is_mounted("/system"), unmount("/system"));
package_extract_dir("install", "/tmp/install");
set_metadata_recursive("/tmp/install", "uid", 0, "gid", 0, "dmode", 0755, "fmode", 0644);
set_metadata_recursive("/tmp/install/bin", "uid", 0, "gid", 0, "dmode", 0755, "fmode", 0755);
mount("ext4", "EMMC", "/dev/block/platform/msm_sdcc.1/by-name/system", "/system", "");
run_program("/tmp/install/bin/backuptool.sh", "backup");
unmount("/system");
show_progress(0.750000, 0);
ui_print("Patching system image unconditionally...");
block_image_update("/dev/block/platform/msm_sdcc.1/by-name/system", package_extract_file("system.transfer.list"), "system.new.dat", "system.patch.dat");
show_progress(0.020000, 10);
mount("ext4", "EMMC", "/dev/block/platform/msm_sdcc.1/by-name/system", "/system", "");
run_program("/tmp/install/bin/backuptool.sh", "restore");
unmount("/system");
ui_print(" ");
ui_print("Flashing SuperSU..");
package_extract_dir("supersu", "/tmp/supersu");
run_program("/sbin/busybox", "unzip", "/tmp/supersu/supersu.zip", "META-INF/com/google/android/*", "-d", "/tmp/supersu");
run_program("/sbin/busybox", "sh", "/tmp/supersu/META-INF/com/google/android/update-binary", "dummy", "1", "/tmp/supersu/supersu.zip");
ui_print(" ");
ui_print("Flashing Kernel..");
show_progress(0.050000, 5);
package_extract_file("boot.img", "/dev/block/platform/msm_sdcc.1/by-name/boot");
show_progress(0.200000, 10);