#
# Linux-specific packaging script
#

ifndef OPENPILOT_IS_COOL
    $(error Top level Makefile must be used to build this target)
endif

FW_DIR := $(PACKAGE_DIR)/firmware

# Update this number for every formal release.  The Deb packaging system relies on this to know to update a
# package or not.  Otherwise, the user has to uninstall first.
# Until we do that, package name does NOT include $(VERNUM) and uses $(PACKAGE_LBL) only
VERNUM			:= 0.1.0
VERSION_FULL		:= $(VERNUM)-$(PACKAGE_LBL)
DEB_BUILD_DIR		:= $(ROOT_DIR)/debian

SED_DATE_STRG		= $(shell date -R)
SED_SCRIPT		= s/<VERSION>/$(VERNUM)/;s/<DATE>/$(SED_DATE_STRG)/

DEB_CFG_CMN		:= $(ROOT_DIR)/package/linux/deb_common
DEB_CFG_I386_DIR	:= $(ROOT_DIR)/package/linux/deb_i386
DEB_CFG_AMD64_DIR	:= $(ROOT_DIR)/package/linux/deb_amd64
DEB_CFG_CMN_FILES	:= $(shell ls $(DEB_CFG_CMN))
DEB_CFG_I386_FILES	:= $(shell ls $(DEB_CFG_I386_DIR))
DEB_CFG_AMD64_FILES	:= $(shell ls $(DEB_CFG_AMD64_DIR))

DEB_PLATFORM		:= amd64
DEB_MACHINE_DIR		:= $(DEB_CFG_AMD64_DIR)
DEB_MACHINE_FILES	:= $(DEB_CFG_AMD64_FILES)
MACHINE_TYPE		:= $(shell uname -m)
ifneq ($(MACHINE_TYPE), x86_64)
 DEB_PLATFORM		:= i386
 DEB_MACHINE_DIR	:= $(DEB_CFG_I386_DIR)
 DEB_MACHINE_FILES	:= $(DEB_CFG_I386_FILES)
endif
DEB_PACKAGE_NAME	:= openpilot_$(VERNUM)_$(DEB_PLATFORM)
FULL_PACKAGE_NAME	:= $(PACKAGE_NAME)$(PACKAGE_SEP)$(PACKAGE_LBL)$(PACKAGE_SEP)$(DEB_PLATFORM)

ALL_DEB_FILES  = $(foreach f, $(DEB_CFG_CMN_FILES), $(DEB_BUILD_DIR)/$(f))
ALL_DEB_FILES += $(foreach f, $(DEB_MACHINE_FILES), $(DEB_BUILD_DIR)/$(f))

.PHONY: package
package: $(ALL_DEB_FILES)
	$(V1) echo "Building Linux package, please wait..."
	$(V1) mkdir -p $(DEB_BUILD_DIR)
	$(V1)$(shell echo $(FW_DIR) > $(BUILD_DIR)/package_dir)
	$(V1)sed -i -e "$(SED_SCRIPT)" $(DEB_BUILD_DIR)/changelog
	$(V1) cd .. && dpkg-buildpackage -b -us -uc
	$(V1) mv $(ROOT_DIR)/../$(DEB_PACKAGE_NAME).deb $(BUILD_DIR)/$(FULL_PACKAGE_NAME).deb
	$(V1) mv $(ROOT_DIR)/../$(DEB_PACKAGE_NAME).changes $(BUILD_DIR)/$(FULL_PACKAGE_NAME).changes
	$(V1) rm -rf $(DEB_BUILD_DIR)

define CP_DEB_FILES_TEMPLATE
.PHONY: $(2)/$(1)
$(2)/$(1): $(3)/$(1)
	$(V1) mkdir -p $(2)
	$(V1) cp -a $$< $$@
endef

$(foreach cpfile, $(DEB_CFG_CMN_FILES), $(eval $(call CP_DEB_FILES_TEMPLATE,$(cpfile),$(DEB_BUILD_DIR),$(DEB_CFG_CMN))))
$(foreach cpfile, $(DEB_MACHINE_FILES), $(eval $(call CP_DEB_FILES_TEMPLATE,$(cpfile),$(DEB_BUILD_DIR),$(DEB_MACHINE_DIR))))