#! /usr/bin/make -f

ARCH=$(shell dpkg-architecture -qDEB_HOST_ARCH)
VERSION=$(shell LC_ALL=C dpkg-parsechangelog | grep ^Version: | cut -d ' ' -f 2)
DATE=$(firstword $(subst +~, ,$(subst ., ,$(VERSION))))
SOURCE_DATE_EPOCH = $(shell date -d "$$(dpkg-parsechangelog -SDate)" +%s)
SUITE=$(shell LC_ALL=C dpkg-parsechangelog | grep ^Distribution: | cut -d ' ' -f 2)

# Daily builds vs. uploads to unstable:
ifeq (${SUITE},UNRELEASED)
USE_UDEBS_FROM=unstable
TRANSSTATUS=
BOOTMENU_BEEP=n
else
USE_UDEBS_FROM=forky
USE_PROPOSED_UPDATES=0
TRANSSTATUS=translation-status
BOOTMENU_BEEP=y
endif

# Adjust for non-released ports if needed:
RELEASE_ARCHES=amd64 arm64 armel armhf i386 loong64 mips mips64el mipsel ppc64el riscv64 s390x
ifeq (,$(filter $(ARCH), $(RELEASE_ARCHES)))
USE_UNRELEASED=1
USE_UDEBS_FROM=unstable
USE_PROPOSED_UPDATES=0
endif

# check profile to see if we're trying to just build a miniiso
ifneq ($(filter pkg.debian-installer.miniiso,$(DEB_BUILD_PROFILES)),)
BUILD_TARGETS=build_netboot-gtk
ADDITIONAL_BUILD_PRODUCT=miniiso
MINIISONAME=debian-$(VERSION)-$(ARCH)-gtkmini.iso
ifdef APTLY_REPO
PRESEED=$(CURDIR)/build/tmp/devel_repo_preseed.cfg
endif
else
BUILD_TARGETS=all_build stats release
ADDITIONAL_BUILD_PRODUCT=tarball
endif

ARCHIVEDIR=debian/tmp/installer-$(ARCH)
DESTDIR=$(ARCHIVEDIR)/$(DATE)
IMAGEDIR=$(DESTDIR)/images
TARNAME=debian-installer-images_$(VERSION)_$(ARCH).tar.gz

export SOURCE_DATE_EPOCH

clean:
	dh_testdir
	dh_testroot
	dh_clean
	$(MAKE) -C build reallyclean
	$(MAKE) -C doc/devel/partman clean
	$(MAKE) -C doc/devel/internals clean

# Must run as root, so is not run as part of regular build.
build-images:
	$(MAKE) -C build $(BUILD_TARGETS) \
		USE_UDEBS_FROM=$(USE_UDEBS_FROM) BUILD_DATE=$(DATE) \
		USE_PROPOSED_UPDATES=$(USE_PROPOSED_UPDATES) \
		USE_UNRELEASED=$(USE_UNRELEASED) \
		PRESEED=$(PRESEED) \
		$(addprefix LINUX_KERNEL_ABI=,$(LINUX_KERNEL_ABI)) \
		TRANSSTATUS=$(TRANSSTATUS) BOOTMENU_BEEP=$(BOOTMENU_BEEP)

publish-tarball:
	./build/util/gen-tarball debian/tmp ../$(TARNAME)
	dpkg-distaddfile $(TARNAME) raw-installer -

publish-miniiso:
	mv ./build/tmp/netboot-gtk/mini.iso ../$(MINIISONAME)
	dpkg-distaddfile $(MINIISONAME) raw-installer -

build: build-arch build-indep
build-arch: build-stamp
build-indep: build-stamp

build-stamp:
	rm -f $@
	$(MAKE) -C doc/devel/internals
	$(MAKE) -C doc/devel/partman
	touch $@

install: build
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs

	# $(PRESEED) is only defined in the pkg.debian-installer.miniiso profile
	# 
	# This creates the sources.list file including a salsa-CI aptly repo and
	# also adds a preseed file to the miniISO that enables the target to access
	# that repo after the first reboot.
	[ -z "$(PRESEED)" ] || ./build/util/create_aptly_udeb_local "$(PRESEED)"
	# It would be better to teach gen-sources.list.udeb to deal with an extra
	# repo that would be passed into the build via sbuild's --extra-repository

	debian/rules build-images

	install -d $(IMAGEDIR)
	cp -a build/dest/* $(IMAGEDIR)
	ln -s $(DATE) $(ARCHIVEDIR)/current

binary-arch: install
	dh_testdir
	dh_testroot
	dh_installchangelogs
	dh_installdocs doc/* -X Makefile -X build.sh -X .xsl \
		-X internals.xml -X partman-doc.dbk -X .gitignore
	dh_compress
	dh_fixperms

	./build/util/write-built-using

	dh_gencontrol
	dh_md5sums
	dh_builddeb

	debian/rules publish-$(ADDITIONAL_BUILD_PRODUCT)

binary-indep:

binary: binary-indep binary-arch
.PHONY: build build-images clean binary-indep binary-arch binary install