Example: add commented init_boot + vendor_kernel_boot setup for reference

DO NOT MERGE if you have already updated your zip properly for your device

anykernel.sh

@@ -1,7 +1,7 @@
 # AnyKernel3 Ramdisk Mod Script
 # osm0sis @ xda-developers
 
-## AnyKernel setup
+### AnyKernel setup
 # begin properties
 properties() { '
 kernel.string=ExampleKernel by osm0sis @ xda-developers
@@ -19,26 +19,26 @@ supported.versions=
 supported.patchlevels=
 '; } # end properties
 
-# shell variables
+
+## boot shell variables
 block=/dev/block/platform/omap/omap_hsmmc.0/by-name/boot;
 is_slot_device=0;
 ramdisk_compression=auto;
 patch_vbmeta_flag=auto;
 
 
-## AnyKernel methods (DO NOT CHANGE)
+### AnyKernel methods (DO NOT CHANGE)
 # import patching functions/variables - see for reference
 . tools/ak3-core.sh;
 
-
-## AnyKernel file attributes
+### AnyKernel file attributes
 # set permissions/ownership for included ramdisk files
 set_perm_recursive 0 0 755 644 $ramdisk/*;
 set_perm_recursive 0 0 750 750 $ramdisk/init* $ramdisk/sbin;
 
 
-## AnyKernel boot install
-dump_boot;
+# boot install
+dump_boot; # use split_boot to skip ramdisk unpack, e.g. for devices with init_boot ramdisk
 
 # begin ramdisk changes
 
@@ -60,11 +60,43 @@ append_file fstab.tuna "usbdisk" fstab;
 
 # end ramdisk changes
 
-write_boot;
+write_boot; # use flash_boot to skip ramdisk repack, e.g. for devices with init_boot ramdisk
 ## end boot install
 
 
-# shell variables
+## init_boot shell variables
+#block=init_boot;
+#is_slot_device=1;
+#ramdisk_compression=auto;
+#patch_vbmeta_flag=auto;
+
+# reset for init_boot patching
+#reset_ak;
+
+# init_boot install
+#dump_boot; # unpack ramdisk since it is the new first stage init ramdisk where overlay.d must go
+
+#write_boot;
+## end init_boot install
+
+
+## vendor_kernel_boot shell variables
+#block=vendor_kernel_boot;
+#is_slot_device=1;
+#ramdisk_compression=auto;
+#patch_vbmeta_flag=auto;
+
+# reset for vendor_kernel_boot patching
+#reset_ak;
+
+# vendor_kernel_boot install
+#split_boot; # skip unpack/repack ramdisk, e.g. for dtb on devices with hdr v4 and vendor_kernel_boot
+
+#flash_boot;
+## end vendor_kernel_boot install
+
+
+## vendor_boot shell variables
 #block=vendor_boot;
 #is_slot_device=1;
 #ramdisk_compression=auto;
@@ -73,10 +105,9 @@ write_boot;
 # reset for vendor_boot patching
 #reset_ak;
 
+# vendor_boot install
+#dump_boot; # use split_boot to skip ramdisk unpack, e.g. for dtb on devices with hdr v4 but no vendor_kernel_boot
 
-## AnyKernel vendor_boot install
-#split_boot; # skip unpack/repack ramdisk since we don't need vendor_ramdisk access
-
-#flash_boot;
+#write_boot; # use flash_boot to skip ramdisk repack, e.g. for dtb on devices with hdr v4 but no vendor_kernel_boot
 ## end vendor_boot install