#!/usr/bin/make -f

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk

export CC = clang
export CXX = clang++

# https://android.googlesource.com/platform/development/+/refs/tags/android-u-beta-1-gpl/sdk/build_tools_source.prop_template
export ANDROID_BUILD_TOOLS_VERSION = 33.0.0
export DEB_HOST_MULTIARCH

VERSION_UPSTREAM=$(DEB_VERSION_UPSTREAM)
## Only need below if we need to pull an unofficial release version, e.g. from a devel branch
#VERSION_UPSTREAM=u-beta-1-gpl

## Security Hardening
export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=-lto
# https://android.googlesource.com/platform/build/soong/+/refs/tags/android-u-beta-1-gpl/cc/config/global.go#307
export DEB_CFLAGS_MAINT_APPEND = -fPIC -std=gnu17 -gdwarf-4
export DEB_CXXFLAGS_MAINT_APPEND = -fPIC -std=gnu++2a -gdwarf-4
export DEB_LDFLAGS_MAINT_APPEND = -fPIC
export DEB_CPPFLAGS_MAINT_APPEND = -DNDEBUG -UDEBUG \
  -I/usr/include/android \
  -Wno-c99-designator \
  -Wno-gnu-designator \
  -Wno-gnu-folding-constant \
  -fmessage-length=0 \
  -fno-exceptions \
  -fno-strict-aliasing \
  -no-canonical-prefixes \

ifneq (, $(shell which lld))
  export DEB_LDFLAGS_MAINT_APPEND += -fuse-ld=lld -Wl,--build-id=sha1
endif

ifeq ($(IMPORT_VER),)
	GBP_IMPORT = --uscan
else ifneq ("$(wildcard ../$(DEB_SOURCE)_$(IMPORT_VER).tar.gz)","")
	GBP_IMPORT = ../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar.xz
else
	GBP_IMPORT =
endif

debian/out/aapt: debian/aapt.mk debian/out/libaapt.so
	dh_auto_build --buildsystem=makefile -- -f $<

debian/out/aapt2: debian/aapt2.mk debian/out/libaapt2.so
	dh_auto_build --buildsystem=makefile -- -f $<

debian/out/lib%.so: debian/lib%.mk debian/out/libandroidfw.so
	dh_auto_build --buildsystem=makefile -- -f $<

debian/out/split-select: debian/split-select.mk debian/out/libandroidfw.so debian/out/libaapt.so
	dh_auto_build --buildsystem=makefile -- -f $<

debian/out/%_test: debian/%_test.mk debian/out/libaapt2.so
	dh_auto_build --buildsystem=makefile -- --file=$<

%:
	dh $@ --with bash-completion

override_dh_auto_configure:
	mkdir -p debian/out
	rm -f tools/aapt2/integration-tests/ConvertTest/duplicate_entries.apk
	dh_auto_configure

override_dh_auto_build-arch: debian/out/aapt debian/out/aapt2 debian/out/split-select
	pandoc -s -o debian/out/split-select.1 debian/split-select.1.md

override_dh_auto_build-indep: debian/out/aapt2
	LD_LIBRARY_PATH=debian/out \
	debian/out/aapt2 compile --dir core/res/res \
				-o debian/out/resources.zip
	LD_LIBRARY_PATH=debian/out \
	debian/out/aapt2 link --manifest core/res/AndroidManifest.xml \
				debian/out/resources.zip \
				-o debian/out/framework-res.apk \
				-A core/res/assets \
				--min-sdk-version 33 --target-sdk-version 33 \
				--product default \
				--version-code 33 --version-name 13.0.0

# Build-Depends (for dh_auto_test): wget
# If there's no wget, some tests in aapt2_test will be skipped
ifeq (,$(findstring nocheck, $(DEB_BUILD_OPTIONS)))
# Skip building aapt2_test for mipsel and mips64el, due to ftbfs: tools/aapt2/filter/AbiFilter_test.cpp:58:8: error: expected unqualified-id
ifeq ($(filter mipsel mips64el,$(DEB_HOST_ARCH)),)
override_dh_auto_test-arch: debian/out/aapt2_test
	LD_LIBRARY_PATH=debian/out debian/out/aapt version
	LD_LIBRARY_PATH=debian/out debian/out/aapt2 version
ifneq (, $(shell which wget))
	for dir in ConvertTest CommandTests CompileTest; do \
		(mkdir -p debian/out/integration-tests/$$dir; cd debian/out/integration-tests/$$dir; \
		wget -qO ../$${dir}.tgz \
			https://android.googlesource.com/platform/frameworks/base/+archive/refs/tags/android-$(subst +,_,$(VERSION_UPSTREAM))/tools/aapt2/integration-tests/$${dir}.tar.gz && \
		tar xfz ../$${dir}.tgz && rm ../$${dir}.tgz); \
	done
endif
	LD_LIBRARY_PATH=debian/out debian/out/aapt2_test
endif
endif

# Depends: git-buildpackage
get-orig-source:
ifneq ($(GBP_IMPORT),--uscan)
ifeq ("$(wildcard ../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar.xz)","")
	mkdir -p $(DEB_SOURCE)_$(IMPORT_VER)
	tar xfz ../$(DEB_SOURCE)_$(IMPORT_VER).tar.gz -C $(DEB_SOURCE)_$(IMPORT_VER)
	(cd $(DEB_SOURCE)_$(IMPORT_VER); tar cf ../../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar --exclude-from ../debian/orig.excludes .)
	rm -r $(DEB_SOURCE)_$(IMPORT_VER)
	mkdir -p $(DEB_SOURCE)_$(IMPORT_VER)
	tar xf ../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar -C $(DEB_SOURCE)_$(IMPORT_VER)
	find $(DEB_SOURCE)_$(IMPORT_VER) -type d -empty -delete
	rm ../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar
	(cd $(DEB_SOURCE)_$(IMPORT_VER); tar cf ../../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar --mtime=20100517 .)
	xz -9 < ../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar > $(GBP_IMPORT)
	rm -r $(DEB_SOURCE)_$(IMPORT_VER) ../$(DEB_SOURCE)_$(IMPORT_VER).orig.tar
endif
endif
	gbp import-orig $(GBP_IMPORT) \
		--no-interactive --debian-branch=$(shell git symbolic-ref --short HEAD) \
		--postimport="\
		dch -b -v\$$GBP_DEBIAN_VERSION \"New upstream release \$$GBP_UPSTREAM_VERSION\"; \
		git add debian/changelog; \
		git commit -m\"dch: Note new upstream version \$$GBP_UPSTREAM_VERSION\""
check-upstream:
	$(eval count = $$(shell git show upstream|wc -l))
	@test $(count) -gt 10 || ( \
		git reset --hard HEAD^^; \
		git tag -d upstream/$(shell echo $(DEB_VERSION_UPSTREAM)|sed "s/~/_/g;s/:/%/g"); \
		git checkout upstream; git reset --hard HEAD^; git checkout $(shell git symbolic-ref --short HEAD); \
		echo; \
		echo error: Line count of upstream/$(DEB_VERSION_UPSTREAM): $(count); \
		echo Upstream changes does not deserve an update.;\
		echo; \
		exit 1; \
	)
ifeq ($(GBP_IMPORT),)
update:
	@echo Cannot find orig to import: ../$(DEB_SOURCE)_$(IMPORT_VER).tar.gz
else
update: get-orig-source check-upstream
	@echo Package updated to upstream version: $(shell dpkg-parsechangelog -SVersion|sed 's/-[^-]*$$//'|sed 's/^[0-9]*://')
endif