Force success

client/site_tests/factory_Wipe/src/switch_partitions.sh

 #!/bin/sh
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This script can be called to switch from kernel slot A / sda3
 # to kernel slot B / sda5 and vice versa.
 
 ROOT_DEV=$(rootdev -s)
 OTHER_ROOT_DEV=$(echo $ROOT_DEV | tr '35' '53')
 
 if [ "${ROOT_DEV}" = "${OTHER_ROOT_DEV}" ]
 then
   echo "Not a normal rootfs partition (3 or 5): ${ROOT_DEV}"
   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/^.*\([0-9]\)$/\1/')
+OTHER_ROOT_PART=$(echo "${OTHER_ROOT_DEV}" | sed -e 's/^.*\([0-9]\)$/\1/')
 
 # Successfully being able to mount the other partition
 # and run postinst guarantees that there is a real partition there.
 echo "Running postinst on $OTHER_ROOT_DEV"
 MOUNTPOINT=$(mktemp -d)
 mkdir -p "$MOUNTPOINT"
 mount -o ro  "$OTHER_ROOT_DEV" "$MOUNTPOINT"
 "$MOUNTPOINT"/postinst --noupdate_firmware "$OTHER_ROOT_DEV"
 POSTINST_RETURN_CODE=$?
 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
+  if [ "$?" != "0" ]; then
     echo "Failed to run cgpt"
     return 1
   fi
+  cgpt add -i "$((${OTHER_ROOT_PART} - 1))" -P 3 -S 1 -T 0 "${DEV}"
+  if [ "$?" != "0" ]; then
+    echo "Failed to run cgpt"
+    return 1
+  fi
 fi
 
 exit $POSTINST_RETURN_CODE