flatcar-scripts/get_latest_image.sh
David James 868d7bb6b9 Added --preserve option and logic.
Other changes:
- Added update_base_packages() method.
- Fix a get_latest_image.sh problem when the image does not already exist.
- Cleanup method invocations, and remove OUTPUT_IMG global variable.
- Add kernel testing logic back (it was accidentally deleted in an earlier patch.)

TEST=Built regular image. Updated old image to contain new packages.
BUG=none

Patch by: Don Garrett <dgarrett@chromium.org>
(Tweaked by me to address review feedback.)

Review URL: http://codereview.chromium.org/2857020
2010-06-24 21:48:14 -07:00

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#!/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.
# Prints the path to the most recently built image to stdout.
# Load common constants. This should be the first executable line.
# The path to common.sh should be relative to your script's location.
. "$(dirname "$0")/common.sh"
get_default_board
DEFINE_string board "$DEFAULT_BOARD" \
"The name of the board to check for images."
# Parse command line flags
FLAGS "$@" || exit 1
eval set -- "${FLAGS_ARGV}"
# Check on the board that they are trying to set up.
if [ -z "$FLAGS_board" ] ; then
echo "Error: --board required."
exit 1
fi
IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
# If there are no images, return nothing
[ -d $IMAGES_DIR ] || exit 0
# Default to the most recent image
DEFAULT_FROM="${IMAGES_DIR}/`ls -t $IMAGES_DIR | head -1`"
echo $DEFAULT_FROM