Update test harness to take in optional public and private keys to sign payloads.

image_to_vm.sh

 #!/bin/bash
 
 # 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.
 
 # Script to convert the output of build_image.sh to a VMware image and write a
 # corresponding VMware config file.
 
 # --- BEGIN COMMON.SH BOILERPLATE ---
@@ skipping 32 matching lines @@
 # Flags
 DEFINE_string board "${DEFAULT_BOARD}" \
   "Board for which the image was built"
 DEFINE_boolean factory $FLAGS_FALSE \
     "Modify the image for manufacturing testing"
 DEFINE_boolean factory_install $FLAGS_FALSE \
     "Modify the image for factory install shim"
 
 # We default to TRUE so the buildbot gets its image. Note this is different
 # behavior from image_to_usb.sh
-DEFINE_boolean force_copy ${FLAGS_TRUE} "Always rebuild test image"
+DEFINE_boolean force_copy ${FLAGS_FALSE} "Always rebuild test image"
 DEFINE_string format "qemu" \
   "Output format, either qemu, vmware or virtualbox"
 DEFINE_string from "" \
   "Directory containing rootfs.image and mbr.image"
 DEFINE_boolean full "${FLAGS_FALSE}" "Build full image with all partitions."
 DEFINE_boolean make_vmx ${FLAGS_TRUE} \
   "Create a vmx file for use with vmplayer (vmware only)."
 DEFINE_integer mem "${DEFAULT_MEM}" \
   "Memory size for the vm config in MBs (vmware only)."
 DEFINE_integer rootfs_partition_size 1024 \
@@ skipping 218 matching lines @@
   echo "${VMX_CONFIG}"
 fi
 
 
 if [ "${FLAGS_format}" == "qemu" ]; then
   echo "If you have qemu-kvm installed, you can start the image by:"
   echo "sudo kvm -m ${FLAGS_mem} -vga std -pidfile /tmp/kvm.pid -net nic,model=virtio " \
        "-net user,hostfwd=tcp::9222-:22 \\"
   echo "        -hda ${FLAGS_to}/${DEFAULT_QEMU_IMAGE}"
 fi