build_image: fix hash perms & arm image path

build_image

 #!/bin/bash
 
 # Copyright (c) 2009 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 build a bootable keyfob-based chromeos system image from within
 # a chromiumos setup. This assumes that all needed packages have been built into
 # the given target's root with binary packages turned on. This script will
 # build the Chrome OS image using only pre-built binary packages.
@@ skipping 309 matching lines @@
   local usb_disk="${FLAGS_usb_disk}"
   local bootloader_to="$(mount | grep ${ESP_FS_DIR} | cut -f1 -d' ')"
   if [[ "${ARCH}" == "arm" ]]; then
     # TODO(wad) mmcblk1p3 is hardcoded for arm for now!
     usb_disk="/dev/mmcblk1p3"
     kernel_part="--kernel_cmdline='"
     kernel_part="${kernel_part}\
 $(cat ${OUTPUT_DIR}/boot.config | tr -s '\n' ' ')"
     kernel_part="${kernel_part} ${FLAGS_arm_extra_bootargs}'"
     local kpart_offset="--kernel_partition_offset=${koffset}"
-    local kpart_size="--kernel_partition_sectors=$(partsize ${image_name} 2)"
+    local kpart_size="\
+      --kernel_partition_sectors=$(partsize ${OUTPUT_DIR}/${image_name} 2)"
     kernel_part="${kernel_part} ${kpart_size} ${kpart_offset}"
     bootloader_to="${OUTPUT_DIR}/arm.mbr"
   fi
 
   # Update partition 12 / legacy bootloaders and arm.
   ${SCRIPTS_DIR}/update_bootloaders.sh \
     --arch=${ARCH} \
     --to="${bootloader_to}" \
     --from="${OUTPUT_DIR}"/boot \
     --vmlinuz="${OUTPUT_DIR}"/boot/vmlinuz \
@@ skipping 336 matching lines @@
   echo "Developer image created as ${DEVELOPER_IMAGE_NAME}"
 fi
 
 print_time_elapsed
 
 echo "To copy to USB keyfob, OUTSIDE the chroot, do something like:"
 echo "  ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdX"
 echo "To convert to VMWare image, OUTSIDE the chroot, do something like:"
 echo "  ./image_to_vmware.sh --from=${OUTSIDE_OUTPUT_DIR}"
 echo "from the scripts directory where you entered the chroot."