Kill factory partition dead.

client/site_tests/factory_Wipe/src/switch_partitions.sh

Index: client/site_tests/factory_Wipe/src/switch_partitions.sh
diff --git a/client/site_tests/factory_Wipe/src/switch_partitions.sh b/client/site_tests/factory_Wipe/src/switch_partitions.sh
index 1e0dea9fd54bb84cd560fb210eb95caf265653a5..4563fa634d4dbf71ea207a6d09d417ea05c64188 100755
--- a/client/site_tests/factory_Wipe/src/switch_partitions.sh
+++ b/client/site_tests/factory_Wipe/src/switch_partitions.sh
@@ -15,6 +15,10 @@ then
   exit 1
 fi
 
+DEV=${ROOT_DEV%[0-9]}
+# Note: this works only for single digit partition numbers.
+ROOT_PART=$(echo "${ROOT_DEV}" | sed -e 's/^.*\([0-9]\)$/\1/')

[hungte, 2010/09/13 02:37:32]

sed -e 's/.*[^0-9]//' would be simpler.

+
 # Successfully being able to mount the other partition
 # and run postinst guarantees that there is a real partition there.
 echo "Running postinst on $OTHER_ROOT_DEV"
@@ -26,4 +30,14 @@ POSTINST_RETURN_CODE=$?
 umount "$MOUNTPOINT"
 rmdir "$MOUNTPOINT"
 
+# Destroy this root partition if we've successfully switched.
+if [ "${POSTINST_RETURN_CODE}" = "0" ]; then
+  cgpt add -i "$((${ROOT_PART} - 1))" -P 0 -S 0 -T 0 "${DEV}"
+  RC=$?
+  if [ "${RC}" != "0" ]; then
+    echo "Failed to run cgpt"
+    return 1
+  fi
+fi
+
 exit $POSTINST_RETURN_CODE