[OE-core] [PATCH] initrd: add recovery feature
Radu Moisan
radu.moisan at intel.com
Mon Nov 12 19:52:11 UTC 2012
Allows you to use as root a partition instead of the rootfs.img
for recovering an old install, and fails safe when no rootfs is
found, dropping the user to a shell if something goes wrong.
Signed-off-by: Radu Moisan <radu.moisan at intel.com>
Signed-off-by: Alexandru Damian <alexandru.damian at intel.com>
---
meta/recipes-core/initrdscripts/files/init-live.sh | 44 +++++++++++++++++++-
1 file changed, 42 insertions(+), 2 deletions(-)
diff --git a/meta/recipes-core/initrdscripts/files/init-live.sh b/meta/recipes-core/initrdscripts/files/init-live.sh
index 5682fd1..0ef30ea 100644
--- a/meta/recipes-core/initrdscripts/files/init-live.sh
+++ b/meta/recipes-core/initrdscripts/files/init-live.sh
@@ -68,13 +68,49 @@ fatal() {
early_setup
+# wait for the udevd to settle
+echo "Waiting for udev to settle..."
+sleep 3
+
[ -z "$CONSOLE" ] && CONSOLE="/dev/console"
read_args
-echo "Waiting for removable media..."
-while true
+# boot partiton menu, if one or more bootable partitions exist
+BOOTMENU=`ls /media/sd*/sbin/init 2>/dev/null | wc -l`
+if [ $BOOTMENU -gt 0 ]; then
+ choice=0
+ while [ $choice -le 0 ]; do
+ echo "1). boot live ramfs image"
+ count=2
+ for i in `ls /media/sd*/sbin/init 2>/dev/null | cut -d "/" -f 3`; do
+ echo $count"). boot /dev/"$i
+ choicecmd[$count]=$i
+ count=$(( count + 1))
+ done
+ echo
+ echo -n "Your choice: "
+ read choice
+ done
+
+ if [ $choice -gt 1 ]; then
+ #ROOT_MOUNT=/media/${choicecmd[${choice}]}
+ ROOT_MOUNT=none #testing
+ echo "Booting local root ... $ROOT_MOUNT"
+ if [ -d $ROOT_MOUNT ]; then
+ boot_live_root
+ else
+ fatal "Rootfs partition not mounted"
+ fi
+ fi
+fi
+
+echo -n "Waiting for removable media... "
+CNT=0
+while [ $CNT -le 3 ];
do
+ echo -n "$CNT "
+ CNT=$(( $CNT + 1 ))
for i in `ls /media 2>/dev/null`; do
if [ -f /media/$i/$ROOT_IMAGE ] ; then
found="yes"
@@ -91,6 +127,10 @@ do
sleep 1
done
+if [ "$found" != "yes" ]; then
+ fatal "...could not mount removable media, drop to shell"
+fi
+
case $label in
boot)
mkdir $ROOT_MOUNT
--
1.7.9.5
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