#!/usr/bin/make -f
#export DH_VERBOSE=1
export DEB_BUILD_MAINT_OPTIONS = hardening=+all

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

PKD = $(abspath $(dir $(MAKEFILE_LIST)))
PKG = $(DEB_SOURCE)
VER = $(DEB_VERSION_UPSTREAM)
COMMIT = $$(git log -1 --pretty=%h)
LAST_TAG=$$(git describe --tags --abbrev=0)
COUNT_SINCE_LAST_TAG=$$(git rev-list $(LAST_TAG).. --count)
BASENAME=$(PKG)_$(VER)+$(COUNT_SINCE_LAST_TAG)+git$(COMMIT)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_HOST_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)

rav1e_archs = $(shell sed -n 's/.*\blibrav1e-dev[[:space:]]*\[\(.*\)\].*/\1/p' debian/control)

%:
	dh $@

override_dh_auto_configure:
	dh_auto_configure --buildsystem=cmake -- \
		-DCMAKE_INSTALL_INCLUDEDIR=include/$(DEB_HOST_MULTIARCH) \
		-DCMAKE_LIBRARY_ARCHITECTURE="$(DEB_HOST_MULTIARCH)" \
		-DPLUGIN_DIRECTORY=/usr/lib/$(DEB_HOST_MULTIARCH)/libheif/plugins \
		-DCMAKE_COMPILE_WARNING_AS_ERROR=OFF \
		-DWITH_AOM_DECODER_PLUGIN=ON \
		-DWITH_AOM_ENCODER_PLUGIN=ON \
		-DWITH_DAV1D=ON \
		-DWITH_DAV1D_PLUGIN=ON \
		-DWITH_HEADER_COMPRESSION=ON \
		-DWITH_FFMPEG_DECODER=ON \
		-DWITH_FFMPEG_DECODER_PLUGIN=ON \
		-DWITH_JPEG_DECODER=ON \
		-DWITH_JPEG_DECODER_PLUGIN=ON \
		-DWITH_JPEG_ENCODER=ON \
		-DWITH_JPEG_ENCODER_PLUGIN=ON \
		-DWITH_LIBDE265_PLUGIN=ON \
		-DWITH_OpenJPEG_DECODER=ON \
		-DWITH_OpenJPEG_DECODER_PLUGIN=ON \
		-DWITH_OpenJPEG_ENCODER=ON \
		-DWITH_OpenJPEG_ENCODER_PLUGIN=ON \
		-DWITH_X265_PLUGIN=ON \
		-DWITH_RAV1E=$(if $(filter $(DEB_HOST_ARCH),$(rav1e_archs)),ON,OFF) \
		-DWITH_RAV1E_PLUGIN=$(if $(filter $(DEB_HOST_ARCH),$(rav1e_archs)),ON,OFF) \
		-DWITH_SvtEnc=ON \
		-DWITH_SvtEnc_PLUGIN=ON \
		-DWITH_UNCOMPRESSED_CODEC=ON

override_dh_auto_test:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	LIBHEIF_PLUGIN_PATH=$(CURDIR)/obj-$(DEB_HOST_GNU_TYPE)/libheif/plugins ./debian/tests/test-decode
	LIBHEIF_PLUGIN_PATH=$(CURDIR)/obj-$(DEB_HOST_GNU_TYPE)/libheif/plugins dh_auto_test
endif

# some dependencies are in Ubuntu "universe"
# https://launchpad.net/bugs/2004453 https://launchpad.net/bugs/2004446
override_dh_gencontrol:
ifeq ($(shell dpkg-vendor --query vendor),Ubuntu)
	dh_gencontrol -- \
		-Vlibheif:Depends='libheif-plugin-aomdec (= $${binary:Version}) | libheif-plugin-dav1d (= $${binary:Version})' \
		-Vlibheif:Suggests:'libheif-plugin-x265 (= $${binary:Version})'
else
	dh_gencontrol -- \
		-Vlibheif:Depends='libheif-plugin-dav1d (= $${binary:Version}) | libheif-plugin-aomdec (= $${binary:Version})' \
		-Vlibheif:Recommends:'libheif-plugin-x265 (= $${binary:Version})'
endif

UURL = git://github.com/strukturag/libheif.git
get-head-source:
	$(if $(wildcard $(PKG)-$(VER)),$(error $(PKG)-$(VER) exist, aborting.))
	@echo "# Downloading..."
	git clone $(UURL) $(PKG)-$(VER) \
		|| $(RM) -r $(PKG)-$(VER)
	cd $(PKG)-$(VER) \
	&& echo "# Checking out commit $(COMMIT)..." \
	&& git checkout -q $(COMMIT) \
	&& echo "# Setting times..." \
	&& git ls-tree -r --name-only HEAD | while read F ; do touch --no-dereference -d "@$$(git log -1 --format="%ct" -- "$$F")" "$$F"; done \
	&& echo "# Writing to $(BASENAME).orig.tar.xz..." \
	&& find -L . -xdev -type f -not -path "*/.git/*" -print | LC_ALL=C sort \
		| XZ_OPT="-6v" tar -caf "../$(BASENAME).orig.tar.xz" -T- --transform "s/^\./$(BASENAME)/g" --owner=root --group=root --mode=a+rX
	@echo "# Cleaning up..." \
	&& $(RM) -r "$(PKG)-$(VER)"