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# Copyright 2021 The ChromiumOS Authors
# Distributed under the terms of the GNU General Public License v2
#
# Standardizes the setup for chromeos-config-bsp ebuilds across
# all overlays based on config managed in the project specific
# repos (located under src/project).
# Note: this eclass does not support cros_workon_make as it
# updates the source tree (where config files are generated)
# Check for EAPI 7+
case "${EAPI:-0}" in
7) ;;
*) die "unsupported EAPI (${EAPI}) in eclass (${ECLASS})" ;;
esac
# @ECLASS-VARIABLE: PROGRAM
# @PRE_INHERIT
# @REQUIRED
# @DESCRIPTION:
# Name of the program under src/program
: "${PROGRAM:=alpha}"
# @ECLASS-VARIABLE: PROJECTS
# @PRE_INHERIT
# @REQUIRED
# @DESCRIPTION:
# Names of the projects under src/project/$PROGRAM/ that will be
# included in this build.
: "${PROJECTS:=(one two three)}"
PROJECT_PREFIX="project_"
PROJECT_ALL="${PROJECT_PREFIX}all"
IUSE="${PROJECT_ALL} ${PROJECTS[*]/#/${PROJECT_PREFIX}}"
# Watch for any change anywhere in the projects or program
export CONFIG_ROOT=""
inherit cros-unibuild cros-constants
SRC_URI=""
LICENSE="BSD-Google"
SLOT="0/${PF}"
BDEPEND="
dev-go/lucicfg
"
EXPORT_FUNCTIONS src_compile src_install
# @FUNCTION: cros-config-bsp_build_config
# @USAGE: cros-config-bsp_build_config <generate_dir> <starlark_file>
# @DESCRIPTION:
# Generates a payload (ConfigBundle) config file based on Starlark config.
cros-config-bsp_build_config() {
local config_dir=$1
local starlark_file=$2
lucicfg generate --config-dir "${config_dir}" "${starlark_file}" \
|| die "Failed to generate config under $(pwd)."
}
# @FUNCTION: cros-config-bsp_proto_converter
# @USAGE:
# cros-config-bsp_proto_converter <program_name> <project_name> <output_dir>
# @DESCRIPTION:
# Transforms a ConfigBundle file to platform JSON.
cros-config-bsp_proto_converter() {
local program_config=$1
local project_config=$2
local output_dir=$3
if [[ ! -e "${program_config}" || ! -e "${project_config}" ]]; then
die "'${program_config}' and '${project_config}' must exist."
fi
rm -rf "${output_dir}"
mkdir -p "${output_dir}"
cros_config_proto_converter \
--output "${output_dir}/project-config.json" \
--program-config "${program_config}" \
--project-configs "${project_config}" \
--dtd-path config/payload_utils/media_profiles.dtd \
|| die "Failed to run cros_config_proto_converter."
}
# @FUNCTION: cros-config-bsp_merge_payloads
# @USAGE:
# cros-config-bsp_merge_payloads <imported_config> <config_bundle> <output_file>
# @DESCRIPTION:
# Merges a backfilled ConfigBundle file with the ConfigBundle produced by Starlark.
cros-config-bsp_merge_payloads() {
local imported_config=$1
local config_bundle=$2
local output_file=$3
cros_config_merge_backfilled_config \
--backfilled-config-bundle "${imported_config}" \
--config-bundle "${config_bundle}" \
--output "${output_file}" \
|| die "Failed to merge backfilled config and config payload"
}
# @FUNCTION: cros-config-bsp_gen_config
# @USAGE: cros-config-bsp_gen_config
# @DESCRIPTION:
# Generates platform configuration files for the program and associated projects.
cros-config-bsp_gen_config() {
# Re-establish the symlinks as they exist in the source tree.
ln -sfT "${S}/config" "${S}/program/${PROGRAM}/config" \
|| die "Failed to create '${PROGRAM}' link."
(
cd "${S}/program/${PROGRAM}" || die "Unable to cd into ${PROGRAM}."
cros-config-bsp_build_config generated config.star
)
local project
for project in "${PROJECTS[@]}"; do
# Clean any generated config dirs
rm -rf "${S}/${project}/sw_build_config/platform/chromeos-config/generated" \
|| die "Unable to remove sw_build_config generated dir"
rm -rf "${S}/${project}/public_sw_build_config/platform/chromeos-config/generated" \
|| die "Unable to remove public_sw_build_config generated dir"
ln -sfT "${S}/config" "${S}/${project}/config" \
|| die "Failed to create '${project}/config' link."
ln -sfT "${S}/program/${PROGRAM}" "${S}/${project}/program" \
|| die "Failed to create '${project}/program' link."
local output_dir="sw_build_config/platform/chromeos-config/generated"
(
cd "${S}/${project}" || die "Unable to cd into ${project}."
cros-config-bsp_build_config generated config.star
cros-config-bsp_proto_converter "program/generated/config.jsonproto" \
"generated/config.jsonproto" "${output_dir}"
cros-config-bsp_merge_payloads "generated/imported.jsonproto" \
"generated/config.jsonproto" "generated/joined.jsonproto"
)
done
}
cros-config-bsp_src_compile() {
cros-config-bsp_gen_config
platform_json_compile
}
cros-config-bsp_src_install() {
platform_json_install
local project
for project in "${PROJECTS[@]}"; do
platform_merged_install "${project}"
done
unibuild_install_files arc-files "${WORKDIR}/project-config.json"
unibuild_install_files thermal-files "${WORKDIR}/project-config.json"
unibuild_install_touch_files "${WORKDIR}/project-config.json"
unibuild_install_files intel-wifi-sar-files "${WORKDIR}/project-config.json"
unibuild_install_files proximity-sensor-files "${WORKDIR}/project-config.json"
}