chromeos-installer: delete unused files

bin/cros_mod_image_for_dev_recovery.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 create a Chrome OS dev recovery image using a dev install shim
-
-# Source constants and utility functions
-. "/usr/lib/crosutils/common.sh"
-. "/usr/lib/installer/chromeos-common.sh"
-
-get_default_board
-
-DEFINE_string board "$DEFAULT_BOARD" "Board for which the image was built \
-Default: ${DEFAULT_BOARD}"
-DEFINE_string dev_install_shim "" "Path of the developer install shim. \
-Default: (empty)"
-DEFINE_string payload_dir "" "Directory containing developer payload and \
-(optionally) a custom install script. Default: (empty)"
-
-# Parse command line
-FLAGS "$@" || exit 1
-eval set -- "${FLAGS_ARGV}"
-
-set -e
-
-# No board set and no default set then we can't proceed
-if [ -z $FLAGS_board ] ; then
-  setup_board_warning
-  die "No board set"
-fi
-
-# Abort early if --payload_dir is not set, invalid or empty
-if [ -z $FLAGS_payload_dir ] ; then
-  die "flag --payload_dir not set"
-fi
-
-if [ ! -d "${FLAGS_payload_dir}" ] ; then
-  die "${FLAGS_payload_dir} is not a directory"
-fi
-
-PAYLOAD_DIR_SIZE=
-if [ -z "$(ls -A $FLAGS_payload_dir)" ] ; then
-  die "${FLAGS_payload_dir} is empty"
-else
-  # Get directory size in 512-byte sectors so we can resize stateful partition
-  PAYLOAD_DIR_SIZE=\
-"$(du --apparent-size -B 512 ${FLAGS_payload_dir} | awk '{print $1}')"
-  info "${FLAGS_payload_dir} has ${PAYLOAD_DIR_SIZE} 512-byte sectors"
-fi
-
-DEV_INSTALL_SHIM="dev_install_shim.bin"
-# We have a board name but no dev_install_shim set. Try find a recent one
-if [ -z $FLAGS_dev_install_shim ] ; then
-  IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
-  FLAGS_dev_install_shim=\
-"${IMAGES_DIR}/$(ls -t $IMAGES_DIR 2>&-| head -1)/${DEV_INSTALL_SHIM}"
-fi
-
-# Turn relative path into an absolute path.
-FLAGS_dev_install_shim=$(eval readlink -f ${FLAGS_dev_install_shim})
-
-# Abort early if we can't find the install shim
-if [ ! -f $FLAGS_dev_install_shim ] ; then
-  die "No dev install shim found at $FLAGS_dev_install_shim"
-else
-  info "Using a recent dev install shim at ${FLAGS_dev_install_shim}"
-fi
-
-# Constants
-INSTALL_SHIM_DIR="$(dirname "$FLAGS_dev_install_shim")"
-DEV_RECOVERY_IMAGE="dev_recovery_image.bin"
-
-# Resize stateful partition of install shim to hold payload content
-# Due to this resize, we can't just re-pack the modified part back into an
-# image using pack_partition.sh generated for the dev install shim. Instead,
-# a revised partition table and a new image is needed
-# (see update_partition_table() for details)
-resize_statefulfs() {
-  local source_part=$1  # source stateful partition
-  local num_sectors=$2  # number of 512-byte sectors to be added
-
-  source_image_sectors=$(roundup $(numsectors ${source_part}))
-  info "source stateful fs has $((512 * $(expr $source_image_sectors))) bytes"
-  resized_image_bytes=$((512 * $(expr $source_image_sectors + $num_sectors)))
-  info "resized stateful fs has $resized_image_bytes bytes"
-
-  STATEFUL_LOOP_DEV=$(sudo losetup -f)
-  if [ -z "${STATEFUL_LOOP_DEV}" ]; then
-    die "No free loop device. Free up a loop device or reboot. Exiting."
-  fi
-
-  # Extend the source file size to the new size.
-  dd if=/dev/zero of="${source_part}" bs=1 count=1 \
-      seek=$((resized_image_bytes - 1))
-
-  # Resize the partition.
-  sudo losetup "${STATEFUL_LOOP_DEV}" "${source_part}"
-  sudo e2fsck -f "${STATEFUL_LOOP_DEV}"
-  sudo resize2fs "${STATEFUL_LOOP_DEV}"
-  sudo losetup -d "${STATEFUL_LOOP_DEV}"
-}
-
-# Update partition table with resized stateful partition and create the final
-# dev recovery image
-update_partition_table() {
-  TEMP_IMG=$(mktemp)
-
-  TEMP_KERN="${TEMP_DIR}"/part_2
-  TEMP_ROOTFS="${TEMP_DIR}"/part_3
-  TEMP_OEM="${TEMP_DIR}"/part_8
-  TEMP_ESP="${TEMP_DIR}"/part_12
-  TEMP_PMBR="${TEMP_DIR}"/pmbr
-  dd if="${FLAGS_dev_install_shim}" of="${TEMP_PMBR}" bs=512 count=1
-
-  # Set up a new partition table
-  install_gpt "${TEMP_IMG}" "$(numsectors $TEMP_ROOTFS)" \
-    "$(numsectors $TEMP_STATE)" "${TEMP_PMBR}" "$(numsectors $TEMP_ESP)" \
-    false $(roundup $(numsectors ${TEMP_ROOTFS}))
-
-  # Copy into the partition parts of the file
-  dd if="${TEMP_ROOTFS}" of="${TEMP_IMG}" conv=notrunc bs=512 \
-    seek="${START_ROOTFS_A}"
-  dd if="${TEMP_STATE}"  of="${TEMP_IMG}" conv=notrunc bs=512 \
-    seek="${START_STATEFUL}"
-  # Copy the full kernel (i.e. with vboot sections)
-  dd if="${TEMP_KERN}"   of="${TEMP_IMG}" conv=notrunc bs=512 \
-    seek="${START_KERN_A}"
-  dd if="${TEMP_OEM}"    of="${TEMP_IMG}" conv=notrunc bs=512 \
-    seek="${START_OEM}"
-  dd if="${TEMP_ESP}"    of="${TEMP_IMG}" conv=notrunc bs=512 \
-    seek="${START_ESP}"
-}
-
-# Creates a dev recovery image using an existing dev install shim
-# If successful, content of --payload_dir is copied to a directory named
-# "dev_payload" under the root of stateful partition.
-create_dev_recovery_image() {
-  # Split apart the partitions so we can make modifications
-  TEMP_DIR=$(mktemp -d)
-  (cd "${TEMP_DIR}" &&
-    "${INSTALL_SHIM_DIR}/unpack_partitions.sh" "${FLAGS_dev_install_shim}")
-
-  TEMP_STATE="${TEMP_DIR}"/part_1
-
-  resize_statefulfs $TEMP_STATE $PAYLOAD_DIR_SIZE
-
-  # Mount resized stateful FS and copy payload content to its root directory
-  TEMP_MNT_STATE=$(mktemp -d)
-  mkdir -p "${TEMP_MNT_STATE}"
-  sudo mount -o loop "${TEMP_STATE}" "${TEMP_MNT_STATE}"
-  sudo cp -R "${FLAGS_payload_dir}" "${TEMP_MNT_STATE}"
-  sudo mv "${TEMP_MNT_STATE}/$(basename ${FLAGS_payload_dir})" \
-"${TEMP_MNT_STATE}/dev_payload"
-  # Mark image as dev recovery
-  sudo touch "${TEMP_MNT_STATE}/.recovery"
-  sudo touch "${TEMP_MNT_STATE}/.dev_recovery"
-
-  # TODO(tgao): handle install script (for default and custom cases)
-  update_partition_table
-
-  sudo umount "${TEMP_MNT_STATE}"
-  trap - EXIT
-}
-
-# Main
-DST_PATH="${INSTALL_SHIM_DIR}/${DEV_RECOVERY_IMAGE}"
-info "Attempting to create dev recovery image using dev install shim \
-${FLAGS_dev_install_shim}"
-create_dev_recovery_image
-
-mv -f $TEMP_IMG $DST_PATH
-info "Dev recovery image created at ${DST_PATH}"