blob: 49060ff5e879c03773d8553b63c0cbbf16c04f5d [file] [log] [blame]
#!/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.
# This script generates the list of board overlays and variants.
# Load common CrOS utilities. Inside the chroot this file is installed in
# /usr/lib/crosutils. Outside the chroot we find it relative to the scripts
# location.
common_paths="/usr/lib/crosutils $(dirname "$0")/../../../scripts"
for path in ${common_paths} ; do
if [ -f "${path}/common.sh" ] ; then
COMMON_SH="${path}/common.sh"
break
fi
done
if [ -z "${COMMON_SH}" ] ; then
echo "common.sh not found in search path (${common_paths})"
exit 1
fi
. "${COMMON_SH}"
get_default_board
# Flags
DEFINE_boolean all_boards "${FLAGS_FALSE}" \
"Return paths to overlays for all boards. (Default: false)"
DEFINE_string board "$DEFAULT_BOARD" "The name of the board to set up."
DEFINE_string board_overlay "" "Location of the board overlay."
DEFINE_boolean primary_only ${FLAGS_FALSE} \
"Only return the path to the board's primary overlay. (Default: false)"
DEFINE_boolean private ${FLAGS_TRUE} \
"Include private overlays. (Default: true)"
DEFINE_boolean public ${FLAGS_TRUE} \
"Include public overlays. (Default: true)"
DEFINE_string variant "" "Board variant."
# Parse command line flags
FLAGS "$@" || exit 1
eval set -- "${FLAGS_ARGV}"
# Only now can we die on error. shflags functions leak non-zero error codes,
# so will die prematurely if 'set -e' is specified before now.
set -e
public() { [ "$FLAGS_public" = "$FLAGS_TRUE" ]; }
private() { [ "$FLAGS_private" = "$FLAGS_TRUE" ]; }
if [ "$FLAGS_all_boards" = "$FLAGS_TRUE" ] ; then
overlays=
public && overlays="$overlays ${SRC_ROOT}/overlays/*overlay*"
private && overlays="$overlays ${SRC_ROOT}/private-overlays/*overlay*"
for overlay in $overlays ; do
if [ -d "$overlay" ] ; then
echo $overlay
fi
done
exit 0
fi
if [ -z "$FLAGS_board" ] ; then
error "--board required."
exit 1
fi
if [[ $FLAGS_board =~ [_\ ] ]] ; then
error "--board name must not contain an underscore (_) or a space ( )."
exit 1
fi
if [[ $FLAGS_variant =~ [_\ ] ]] ; then
error "--variant name must not contain an underscore (_) or a space ( )."
exit 1
fi
#
# Check that the provided variant overlay name is valid.
#
if [ -n "$FLAGS_variant" ] ; then
VARIANT_NAME="overlay-variant-${FLAGS_board}-${FLAGS_variant}"
VARIANT_OVERLAY="${SRC_ROOT}/overlays/${VARIANT_NAME}"
PRIVATE_VARIANT_NAME="overlay-variant-${FLAGS_board}-${FLAGS_variant}-private"
PRIVATE_VARIANT_OVERLAY="${SRC_ROOT}/private-overlays/${PRIVATE_VARIANT_NAME}"
if [ ! -d "${VARIANT_OVERLAY}" ] && \
[ ! -d "${PRIVATE_VARIANT_OVERLAY}" ] ; then
error "There is no variant overlay called '${FLAGS_variant}'"
exit 1
fi
fi
function is_primary_overlay() {
local directory=$1
[ -f "${directory}/make.conf" ] || return 1
[ -f "${directory}/toolchain.conf" ] || return 1
return 0
}
BOARD_OVERLAY="${SRC_ROOT}/overlays/overlay-${FLAGS_board}"
PRIVATE_OVERLAY_NAME="overlay-${FLAGS_board}-private"
PRIVATE_BOARD_OVERLAY="${SRC_ROOT}/private-overlays/${PRIVATE_OVERLAY_NAME}"
#
# Identify the primary board overlay or die.
#
if public && is_primary_overlay ${BOARD_OVERLAY}; then
PRIMARY_OVERLAY="${BOARD_OVERLAY}"
elif private && is_primary_overlay "${PRIVATE_BOARD_OVERLAY}"; then
PRIMARY_OVERLAY="${PRIVATE_BOARD_OVERLAY}"
fi
if [ ! -n "${PRIMARY_OVERLAY}" ]; then
error "There is no primary board overlay for ${FLAGS_board}"
exit 1
fi
#
# If only the primary overlay is needed, provide it and exit.
#
if [ "${FLAGS_primary_only}" -eq "${FLAGS_TRUE}" ]; then
echo "${PRIMARY_OVERLAY}"
exit 0
fi
#
# Check for chromeos-overlay.
#
CHROMEOS_OVERLAY="${SRC_ROOT}/private-overlays/chromeos-overlay"
if private && [ -d "${CHROMEOS_OVERLAY}" ]; then
echo "${CHROMEOS_OVERLAY}"
fi
#
# Check for chromeos-partner-overlay.
#
CHROMEOS_PARTNER_OVERLAY="${SRC_ROOT}/private-overlays/chromeos-partner-overlay"
if private && [ -d "${CHROMEOS_PARTNER_OVERLAY}" ]; then
echo "${CHROMEOS_PARTNER_OVERLAY}"
fi
#
# Check if there are any public board overlays.
#
if public && [ -d "${BOARD_OVERLAY}" ]; then
echo "${BOARD_OVERLAY}"
#
# Add the public variant overlay if it exists.
#
if [ -n "$FLAGS_variant" ] ; then
if [ -d "$VARIANT_OVERLAY" ] ; then
echo "${VARIANT_OVERLAY}"
fi
fi
fi
#
# Add any private overlays and private variant overlays for this board.
#
if private && [ -d "${SRC_ROOT}/private-overlays" ] ; then
OVERLAY_NAME="overlay-${FLAGS_board}-private"
PRIVATE_OVERLAY="${SRC_ROOT}/private-overlays/${OVERLAY_NAME}"
if [ -d "${PRIVATE_OVERLAY}" ] ; then
echo "${PRIVATE_OVERLAY}"
fi
#
# Add the private variant overlay if it exists.
#
if [ -n "$FLAGS_variant" ] ; then
if [ -d "${PRIVATE_VARIANT_OVERLAY}" ] ; then
echo "${PRIVATE_VARIANT_OVERLAY}"
fi
fi
fi
#
# Finally, add in any user requested board overlays.
#
if [ -d "${FLAGS_board_overlay}" ] ; then
echo "${FLAGS_board_overlay}"
fi