brillo_config/Android.mk

#
# Copyright (C) 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Build time settings used by system services
# ========================================================
ifdef OSRELEASED_DIRECTORY

include $(CLEAR_VARS)
LOCAL_MODULE := product_id
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/$(OSRELEASED_DIRECTORY)
include $(BUILD_SYSTEM)/base_rules.mk

# Attempt to populate the product id from a file in the product path.
LOADED_BRILLO_PRODUCT_ID := $(call cfgtree-get-if-exists,brillo/product_id)

# We don't really have a default value for the product id as the backend
# interaction will not work if this is not set correctly.
$(LOCAL_BUILT_MODULE): BRILLO_PRODUCT_ID ?= "$(LOADED_BRILLO_PRODUCT_ID)"
$(LOCAL_BUILT_MODULE):
	$(hide)mkdir -p $(dir $@)
	echo $(BRILLO_PRODUCT_ID) > $@

include $(CLEAR_VARS)
LOCAL_MODULE := product_version
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/$(OSRELEASED_DIRECTORY)
include $(BUILD_SYSTEM)/base_rules.mk


# The version is set to 0.0.0 if the user did not set the actual version and
# a version cannot be loaded from the product cfgtree.
# This allows us to have a valid version number while being easy to filter.
ifeq ($(BRILLO_PRODUCT_VERSION),)
# Load from file first
BRILLO_PRODUCT_VERSION := $(call cfgtree-get-if-exists,brillo/product_version)
endif
# If the version is still empty, override it with 0.0.0
ifeq ($(BRILLO_PRODUCT_VERSION),)
BRILLO_PRODUCT_VERSION := "0.0.0"
endif
ifeq ($(shell echo $(BRILLO_PRODUCT_VERSION) | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$$'),)
$(error Invalid BRILLO_PRODUCT_VERSION "$(BRILLO_PRODUCT_VERSION)", must be \
  three numbers separated by dots. Example: "1.2.0")
endif

# Append BUILD_NUMBER if it is a number or a build timestamp otherwise.
# We don't want to use BUILD_DATETIME_FROM_FILE as this timestamp must be
# different at every build.
# If you don' want this to change at every build, you can define BUILD_NUMBER in
# your product makefile and increase it manually.
$(LOCAL_BUILT_MODULE):
	$(hide)mkdir -p $(dir $@)
ifeq ($(shell echo $(BUILD_NUMBER) | grep -E '[^0-9]'),)
	echo $(BRILLO_PRODUCT_VERSION).$(BUILD_NUMBER) > $@
else
	echo $(BRILLO_PRODUCT_VERSION).$(BUILD_DATETIME) > $@
endif

endif