add a simple update mechanism: put a file openelec.kernel or/and openelec.system to a /.update dir on storage device and the OpenELEC system does a automatic update and removes this files on /.update

packages/sysutils/busybox/config/busybox-initramfs.conf

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Busybox version: 1.13.1
+# Busybox version: 1.13.3
-# Thu Dec  4 14:25:56 2008
+# Mon Apr  6 01:22:51 2009
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -191,8 +191,8 @@ CONFIG_MKDIR=y
 # CONFIG_FEATURE_MKDIR_LONG_OPTIONS is not set
 # CONFIG_MKFIFO is not set
 # CONFIG_MKNOD is not set
-# CONFIG_MV is not set
+CONFIG_MV=y
-# CONFIG_FEATURE_MV_LONG_OPTIONS is not set
+CONFIG_FEATURE_MV_LONG_OPTIONS=y
 # CONFIG_NICE is not set
 # CONFIG_NOHUP is not set
 # CONFIG_OD is not set
@@ -202,12 +202,12 @@ CONFIG_MKDIR=y
 # CONFIG_READLINK is not set
 # CONFIG_FEATURE_READLINK_FOLLOW is not set
 # CONFIG_REALPATH is not set
-# CONFIG_RM is not set
+CONFIG_RM=y
 # CONFIG_RMDIR is not set
 # CONFIG_FEATURE_RMDIR_LONG_OPTIONS is not set
 # CONFIG_SEQ is not set
 # CONFIG_SHA1SUM is not set
-# CONFIG_SLEEP is not set
+CONFIG_SLEEP=y
 # CONFIG_FEATURE_FANCY_SLEEP is not set
 # CONFIG_FEATURE_FLOAT_SLEEP is not set
 # CONFIG_SORT is not set
@@ -218,7 +218,7 @@ CONFIG_MKDIR=y
 # CONFIG_FEATURE_STAT_FORMAT is not set
 # CONFIG_STTY is not set
 # CONFIG_SUM is not set
-# CONFIG_SYNC is not set
+CONFIG_SYNC=y
 # CONFIG_TAC is not set
 # CONFIG_TAIL is not set
 # CONFIG_FEATURE_FANCY_TAIL is not set
@@ -244,6 +244,10 @@ CONFIG_TEST=y
 # CONFIG_WHO is not set
 # CONFIG_WHOAMI is not set
 # CONFIG_YES is not set
+
+#
+# Common options for cp and mv
+#
 # CONFIG_FEATURE_PRESERVE_HARDLINKS is not set
 # CONFIG_FEATURE_AUTOWIDTH is not set
 # CONFIG_FEATURE_HUMAN_READABLE is not set
@@ -360,7 +364,7 @@ CONFIG_FEATURE_KILL_DELAY=0
 # CONFIG_FEATURE_EXTRA_QUIET is not set
 # CONFIG_FEATURE_INIT_COREDUMPS is not set
 # CONFIG_FEATURE_INITRD is not set
-# CONFIG_HALT is not set
+CONFIG_HALT=y
 # CONFIG_MESG is not set
 
 #

packages/sysutils/busybox/scripts/init.initramfs

@@ -11,10 +11,30 @@
   /bin/busybox mount -t ext3 -o ro,noatime $BOOT /flash
   /bin/busybox mount -t ext3 -o rw,noatime $DISK /storage
 
+  if [ -f "/storage/.update/openelec.kernel" ]; then
+    echo "updating Kernel..."
+    /bin/busybox mount -o remount,rw /flash
+    /bin/busybox mv /storage/.update/openelec.kernel /flash/openelec.kernel
+    /bin/busybox mount -o remount,ro /flash
+    /bin/busybox sync
+    echo "... done"
+    echo "System reboots in 5 seconds"
+    /bin/busybox sleep 5
+    /bin/busybox reboot
+  fi
+
+  if [ -f "/storage/.update/openelec.system" ]; then
+    echo "updating System..."
+    /bin/busybox mount -o remount,rw /flash
+    /bin/busybox mv /storage/.update/openelec.system /flash/openelec.system
+    /bin/busybox mount -o remount,ro /flash
+    echo "... done"
+  fi
+
   if [ -f "/flash/openelec.system" ]; then
     /bin/busybox mount /flash/openelec.system /sysroot
     if [ $? -ne 0 ] ; then
-      echo Could not mount system on /sysroot. Starting debugging shell....
+      echo "Could not mount system on /sysroot. Starting debugging shell..."
       /bin/busybox sh </dev/tty1 >/dev/tty1 2>&1
     fi
   fi
@@ -26,3 +46,6 @@
   /bin/busybox umount /sys
 
   exec /bin/busybox switch_root /sysroot /sbin/init.system
+
+  echo "Error in initramfs. Starting debugging shell..."
+  /bin/busybox sh </dev/tty1 >/dev/tty1 2>&1