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3a6d6f886e
This makes the output easier to follow when multiple scripts are being run. BRANCH=None BUG=chromium:714598 TEST=signing images still works Change-Id: I072994dd07cf559a60e8a139eaeaf000cbbf72e3 Reviewed-on: https://chromium-review.googlesource.com/497301 Commit-Ready: Mike Frysinger <vapier@chromium.org> Tested-by: Mike Frysinger <vapier@chromium.org> Reviewed-by: David Riley <davidriley@chromium.org>
107 lines
2.8 KiB
Bash
107 lines
2.8 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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. "$(dirname "$0")/common_minimal.sh"
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CROS_LOG_PREFIX="${PROG}: "
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# Array of actions that are executed during the clean up process.
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declare -a cleanup_actions
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# Adds an action to be executed during the clean up process.
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# Actions are executed in the reverse order of when they were added.
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# ARGS: ACTION
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add_cleanup_action() {
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cleanup_actions[${#cleanup_actions[*]}]=$1
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}
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# Performs the latest clean up action and removes it from the list.
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perform_latest_cleanup_action() {
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local num_actions=${#cleanup_actions[*]}
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if [ ${num_actions} -gt 0 ]; then
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eval "${cleanup_actions[$num_actions-1]}" > /dev/null 2>&1
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unset cleanup_actions[$num_actions-1]
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fi
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}
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# Performs clean up by executing actions in the cleanup_actions array in
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# reversed order.
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cleanup() {
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set +e
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while [ ${#cleanup_actions[*]} -gt 0 ]; do
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perform_latest_cleanup_action
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done
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set -e
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}
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# ANSI color codes used when displaying messages.
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# Taken from src/scripts/common.sh.
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V_RED="\e[31m"
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V_YELLOW="\e[33m"
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V_BOLD_GREEN="\e[1;32m"
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V_BOLD_RED="\e[1;31m"
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V_BOLD_YELLOW="\e[1;33m"
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V_VIDOFF="\e[0m"
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# Prints an informational message.
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# Taken from src/scripts/common.sh.
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# Arg: MESSAGE
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info() {
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echo -e >&2 "${V_BOLD_GREEN}${CROS_LOG_PREFIX:-}INFO : $1${V_VIDOFF}"
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}
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# Prints a warning message.
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# Taken from src/scripts/common.sh.
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# Arg: MESSAGE
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warn() {
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echo -e >&2 "${V_BOLD_YELLOW}${CROS_LOG_PREFIX:-}WARNING: $1${V_VIDOFF}"
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}
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# Prints the specified error and exit the script with an error code.
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# Taken from src/scripts/common.sh.
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# Args: MESSAGE
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error() {
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echo -e >&2 "${V_BOLD_RED}${CROS_LOG_PREFIX:-}ERROR : $1${V_VIDOFF}"
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}
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# Prints an error message and exit with an error code.
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# Taken from src/scripts/common.sh.
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# Args: MESSAGE
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die() {
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error "$1"
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exit 1
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}
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# Usage: lsbval path-to-lsb-file key
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# Returns the value for the given lsb-release file variable.
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lsbval() {
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local lsbfile="$1"
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local key="$2"
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grep "^${key}=" "${lsbfile}" | sed "s/^${key}=//"
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}
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# Usage: get_board_from_lsb_release rootfs
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# Returns the exact board name from /etc/lsb-release. This may contain
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# dashes or other characters not suitable for variable names. See the
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# next function for that.
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get_board_from_lsb_release() {
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local rootfs="$1"
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lsbval "${rootfs}/etc/lsb-release" CHROMEOS_RELEASE_BOARD
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}
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# Usage: get_boardvar_from_lsb_release rootfs
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# Returns the board name from /etc/lsb-release in a mangled form that can
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# be used in variable names. e.g. dashes are turned into underscores.
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get_boardvar_from_lsb_release() {
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get_board_from_lsb_release "$@" | sed 's:[-]:_:g'
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}
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# This will override the trap set in common_minmal.sh
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trap "cleanup" INT TERM EXIT
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add_cleanup_action "cleanup_temps_and_mounts"
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