AnyKernel 2.0: shell update-binary, new features

- rewrite update-script as a shell script update-binary replacement, making the zip architecture independent (tools are still dependent)
- add fall-back to included zImage to allow for ramdisk-only injections

META-INF/com/google/android/updater-script

@@ -1,47 +1 @@
-show_progress(1.34, 4);
+# Dummy file; update-binary is a shell script.
-ui_print(" ");
-assert(package_extract_dir("", "/tmp/anykernel"));
-ui_print(file_getprop("/tmp/anykernel/anykernel.sh", "kernel.string"));
-ui_print(" ");
-ui_print("AnyKernel2 by osm0sis @ xda-developers");
-ui_print(" ");
-run_program("/sbin/busybox", "mount", "/system");
-ifelse(file_getprop("/tmp/anykernel/anykernel.sh", "do.devicecheck") == 1,
-  (ui_print("Checking device...");
-   ui_print(" ");
-   assert(getprop("ro.product.device") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name1") || getprop("ro.build.product") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name1") ||
-          getprop("ro.product.device") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name2") || getprop("ro.build.product") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name2") ||
-          getprop("ro.product.device") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name3") || getprop("ro.build.product") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name3") ||
-          getprop("ro.product.device") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name4") || getprop("ro.build.product") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name4") ||
-          getprop("ro.product.device") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name5") || getprop("ro.build.product") == file_getprop("/tmp/anykernel/anykernel.sh", "device.name5"));
-  )
-);
-ifelse(file_getprop("/tmp/anykernel/anykernel.sh", "do.initd") == 1,
-  (ui_print("Creating init.d...");
-   ui_print(" ");
-   run_program("/sbin/sh", "-c", "mkdir /system/etc/init.d");
-   set_perm_recursive(0, 0, 0755, 0755, "/system/etc/init.d");
-  )
-);
-ui_print("Installing kernel...");
-run_program("/sbin/sh", "/tmp/anykernel/anykernel.sh");
-ifelse(run_program("/sbin/sh", "-c", "test `cat /tmp/anykernel/exitcode` == 1") == 0, 
-  (unmount("/system");
-   abort();
-  )
-);
-ifelse(file_getprop("/tmp/anykernel/anykernel.sh", "do.modules") == 1,
-  (ui_print("Pushing modules...");
-   ui_print(" ");
-   assert(package_extract_dir("modules", "/system/lib/modules"),
-          set_perm_recursive(0, 0, 0755, 0644, "/system/lib/modules"));
-  )
-);
-ifelse(file_getprop("/tmp/anykernel/anykernel.sh", "do.cleanup") == 1,
-  (delete_recursive("/tmp/anykernel");
-  )
-);
-unmount("/system");
-ui_print(" ");
-ui_print("Done!");
-

README

@@ -3,7 +3,7 @@ by osm0sis @ xda-developers
 
 "AnyKernel is a template for an update.zip that can apply any kernel to any ROM, regardless of ramdisk." - Koush
 
-AnyKernel 2.0 pushes the format even further by allowing kernel developers to modify the underlying ramdisk for kernel feature support easily using a number of included command methods along with properties and variables.
+AnyKernel2 pushes the format even further by allowing kernel developers to modify the underlying ramdisk for kernel feature support easily using a number of included command methods along with properties and variables.
 
 A working script based on DirtyV Kernel for Galaxy Nexus (tuna) is included for reference.
 
@@ -50,7 +50,7 @@ You may also use ui_print "<text>" to write messages back to the recovery during
 
 // Instructions
 
-1- Place zImage in the root (dtb should also go here for devices that require a custom one)
+1- Place zImage in the root (dtb should also go here for devices that require a custom one, both will fallback to the original if not included)
 2- Place any required ramdisk files in /ramdisk
 3- Place any required patch files (generally partial files which go with commands) in /patch
 4- Modify the anykernel.sh to add your kernel's name, boot partition location, permissions for included ramdisk files, and use methods for any required ramdisk modifications

anykernel.sh

@@ -61,6 +61,12 @@ write_boot() {
     secondoff=`cat *-secondoff`;
     secondoff="--second_offset $secondoff";
   fi;
+  if [ -f /tmp/anykernel/zImage ]; then
+    kernel=/tmp/anykernel/zImage;
+  else
+    kernel=`ls *-zImage`;
+    kernel=$split_img/$kernel;
+  fi;
   if [ -f /tmp/anykernel/dtb ]; then
     dtb="--dt /tmp/anykernel/dtb";
   elif [ -f *-dtb ]; then
@@ -69,7 +75,7 @@ write_boot() {
   fi;
   cd $ramdisk;
   find . | cpio -H newc -o | gzip > /tmp/anykernel/ramdisk-new.cpio.gz;
-  $bin/mkbootimg --kernel /tmp/anykernel/zImage --ramdisk /tmp/anykernel/ramdisk-new.cpio.gz $second --cmdline "$cmdline" --board "$board" --base $base --pagesize $pagesize --kernel_offset $kerneloff --ramdisk_offset $ramdiskoff $secondoff --tags_offset $tagsoff $dtb --output /tmp/anykernel/boot-new.img;
+  $bin/mkbootimg --kernel $kernel --ramdisk /tmp/anykernel/ramdisk-new.cpio.gz $second --cmdline "$cmdline" --board "$board" --base $base --pagesize $pagesize --kernel_offset $kerneloff --ramdisk_offset $ramdiskoff $secondoff --tags_offset $tagsoff $dtb --output /tmp/anykernel/boot-new.img;
   if [ $? != 0 -o `wc -c < /tmp/anykernel/boot-new.img` -gt `wc -c < /tmp/anykernel/boot.img` ]; then
     ui_print " "; ui_print "Repacking image failed. Aborting...";
     echo 1 > /tmp/anykernel/exitcode; exit;