#
# Copyright (C) 2011 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.
#

# Restrict the vendor module owners here.
_vendor_owner_whitelist := \
	broadcom \
	csr \
	imgtec \
	invensense \
	nxp \
	samsung \
	ti


ifneq (,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RESTRICT_VENDOR_FILES))

_check_modules := $(sort $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES))

# expand with the required modules
# $(1) the module name set to expand
define _expand_required_modules
$(eval _erm_new_modules:=)\
$(foreach m, $(1), $(eval r:=$(ALL_MODULES.$(m).REQUIRED))\
  $(if $(r), $(if $(filter $(_check_modules), $(r)),,\
    $(eval _check_modules := $(_check_modules) $(r))\
    $(eval _erm_new_modules := $(_erm_new_modules) $(r)))))\
$(if $(_erm_new_modules), $(call _expand_required_modules, $(_erm_new_modules)))
endef

$(call _expand_required_modules, $(_check_modules))


# Restrict owners
ifneq (,$(filter true owner all, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RESTRICT_VENDOR_FILES)))

ifneq (,$(filter vendor/%, $(PRODUCT_PACKAGE_OVERLAYS) $(DEVICE_PACKAGE_OVERLAYS)))
$(error Error: Product "$(TARGET_PRODUCT)" can not have overlay in vendor tree: \
    $(filter vendor/%, $(PRODUCT_PACKAGE_OVERLAYS) $(DEVICE_PACKAGE_OVERLAYS)))
endif
ifneq (,$(filter vendor/%, $(PRODUCT_COPY_FILES)))
$(error Error: Product "$(TARGET_PRODUCT)" can not have PRODUCT_COPY_FILES from vendor tree: \
    $(filter vendor/%, $(PRODUCT_COPY_FILES)))
endif

$(foreach m, $(_check_modules), \
  $(if $(filter vendor/%, $(ALL_MODULES.$(m).PATH)),\
    $(if $(filter $(_vendor_owner_whitelist), $(ALL_MODULES.$(m).OWNER)),,\
      $(error Error: vendor module "$(m)" in $(ALL_MODULES.$(m).PATH) with unknown owner \
        "$(ALL_MODULES.$(m).OWNER)" in product "$(TARGET_PRODUCT)"))))

endif


# Restrict paths
ifneq (,$(filter path all, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_RESTRICT_VENDOR_FILES)))

$(foreach m, $(_check_modules), \
  $(if $(filter vendor/%, $(ALL_MODULES.$(m).PATH)),\
    $(if $(filter $(TARGET_OUT_VENDOR)/%, $(ALL_MODULES.$(m).INSTALLED)),,\
      $(error Error: vendor module "$(m)" in $(ALL_MODULES.$(m).PATH) \
        in product "$(TARGET_PRODUCT)" being installed to \
        $(ALL_MODULES.$(m).INSTALLED) which is not in the vendor tree))))

endif

endif