initrdscripts: init can now launch the installation script

Depending on the boot label ("boot" or "install"), init will either
chroot into the rootfs image (live boot path), or launch the
installation script (installation path).

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5457 311d38ba-8fff-0310-9ca6-ca027cbcb966

diff --git a/meta/packages/initrdscripts/files/init-live.sh b/meta/packages/initrdscripts/files/init-live.sh
index e081d44dd0f44bea34a13185e520d726c5c750c8..96a1a9488f1f0973a31add5e7336d587d981da18 100644 (file)
--- a/meta/packages/initrdscripts/files/init-live.sh
+++ b/meta/packages/initrdscripts/files/init-live.sh
@@ -7,7 +7,9 @@ UMOUNT="/bin/umount"
 
 early_setup() {
     mkdir /proc
+    mkdir /sys
     mount -t proc proc /proc
+    mount -t sysfs sysfs /sys
     udevd --daemon
 }
 
@@ -22,6 +24,12 @@ read_args() {
                 ROOT_FSTYPE=$optarg ;;
             rootdelay=*)
                 rootdelay=$optarg ;;
+           LABEL=*)
+               label=$optarg ;;
+           video=*)
+               video_mode=$optarg ;;
+           vga=*)
+               vga_mode=$optarg ;;         
         esac
     done
 }
@@ -38,14 +46,13 @@ fatal() {
     exec sh
 }
 
-echo "Starting initramfs boot..."
 early_setup
 
 [ -z "$CONSOLE" ] && CONSOLE="/dev/console"
 
 read_args
 
-echo "Waiting for Live image to show up..."
+echo "Waiting for removable media..."
 while true
 do
   for i in `ls /media 2>/dev/null`; do
@@ -59,12 +66,26 @@ do
   sleep 1
 done
 
-mkdir $ROOT_MOUNT
-mknod /dev/loop0 b 7 0
+case $label in
+    boot)
+       mkdir $ROOT_MOUNT
+       mknod /dev/loop0 b 7 0
+
+       if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ROOT_IMAGE $ROOT_MOUNT ; then
+           fatal "Couldnt mount rootfs image"
+       else
+           boot_live_root
+       fi
+       ;;
+    install)
+       if [ -f /media/$i/$ROOT_IMAGE ] ; then
+           ./install.sh $i $ROOT_IMAGE $video_mode $vga
+       else
+           fatal "Couldnt find install script"
+       fi
+
+       # If we're getting here, we failed...
+       fatal "Installation image failed"
+       ;;
+esac
 
-if ! $MOUNT -o rw,loop,noatime,nodiratime /media/$i/$ROOT_IMAGE $ROOT_MOUNT
-then
-    fatal "Couldnt mount rootfs image"
-else
-    boot_live_root
-fi