#!/usr/bin/make -f
# See debhelper(7) (uncomment to enable)
# output every command that modifies files on the build system.
#export DH_VERBOSE = 1

DEB_HOST_ARCH       ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_HOST_MULTIARCH  ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

DEB_CFLAGS_MAINT_STRIP = -O2
include /usr/share/dpkg/buildflags.mk

SOURCE := $(shell dpkg-parsechangelog | sed -ne 's,^Source: *\(.*\)$$,\1,p')
VERSION_COMPLETE := $(shell dpkg-parsechangelog | sed -ne 's,^Version: *\(.*\)$$,\1,p')
VERSION_DEBIAN := $(shell echo "$(VERSION_COMPLETE)" | sed -e 's,^[^-]*-,,')

DEVMAPPER_ABINAME = 1.02.1
DEVMAPPER_VERSION_PLAIN = $(shell awk '{print $$1}' VERSION_DM)
DEVMAPPER_VERSION = 2:$(DEVMAPPER_VERSION_PLAIN)
DEVMAPPER_VERSION_DEBIAN = $(DEVMAPPER_VERSION)-$(VERSION_DEBIAN)
DEVMAPPER_VERSION_FILE = $(DEVMAPPER_VERSION_PLAIN)-$(VERSION_DEBIAN)

ifeq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
CFLAGS_OPT_DEB = -O2
CFLAGS_OPT_UDEB = -Os
endif

%:
	dh $@ --parallel --with python3

override_dh_auto_configure: SOURCE_FILES = $(filter-out debian, $(wildcard * .[^.]*))
override_dh_auto_configure:
	mkdir -p debian/build/build_deb debian/build/build_udeb
	cp -al $(SOURCE_FILES) debian/build/build_deb/
	cp -al $(SOURCE_FILES) debian/build/build_udeb/
	dh_auto_configure --sourcedirectory=debian/build/build_deb -- \
		--exec-prefix= \
		--bindir=/bin \
		--libdir=/lib/$(DEB_HOST_MULTIARCH) \
		--sbindir=/sbin \
		--with-usrlibdir=/usr/lib/$(DEB_HOST_MULTIARCH) \
		--with-optimisation="$(CFLAGS_OPT_DEB)" \
		--with-cache=internal \
		--with-device-uid=0 \
		--with-device-gid=6 \
		--with-device-mode=0660 \
		--with-default-pid-dir=/run \
		--with-default-run-dir=/run/lvm \
		--with-default-locking-dir=/run/lock/lvm \
		--with-thin=internal \
		--with-thin-check=/usr/sbin/thin_check \
		--with-thin-dump=/usr/sbin/thin_dump \
		--with-thin-repair=/usr/sbin/thin_repair \
		--enable-applib \
		--enable-blkid_wiping \
		--enable-cmdlib \
		--enable-dmeventd \
		--enable-dbus-service \
		--enable-lvmlockd-dlm \
		--enable-lvmlockd-sanlock \
		--enable-lvmpolld \
		--enable-notify-dbus \
		--enable-pkgconfig \
		--enable-readline \
		--enable-udev_rules \
		--enable-udev_sync
	dh_auto_configure --sourcedirectory=debian/build/build_udeb -- \
		--exec-prefix= \
		--bindir=/bin \
		--libdir=/lib \
		--sbindir=/sbin \
		--with-usrlibdir=/usr/lib \
		--with-optimisation="$(CFLAGS_OPT_UDEB)" \
		--with-lvm1=none \
		--with-pool=none \
		--disable-readline \
		--disable-selinux

override_dh_auto_build:
	dh_auto_build --sourcedirectory=debian/build/build_deb -- \
		LIB_VERSION_DM=$(DEVMAPPER_ABINAME)
	dh_auto_build --sourcedirectory=debian/build/build_udeb -- \
		LIB_VERSION_DM=$(DEVMAPPER_ABINAME)

override_dh_auto_install:
	dh_auto_install --sourcedirectory=debian/build/build_deb \
		--destdir=debian/build/install_deb -- \
		install \
		install_systemd_generators \
		install_systemd_units \
		install_tmpfiles_configuration \
		LIB_VERSION_DM=$(DEVMAPPER_ABINAME)
	dh_auto_install --sourcedirectory=debian/build/build_udeb \
		--destdir=debian/build/install_udeb -- \
		LIB_VERSION_DM=$(DEVMAPPER_ABINAME)

override_dh_auto_clean:
	rm -rf debian/build

override_dh_gencontrol:
	dh_gencontrol \
		-pdmsetup \
		-pdmsetup-udeb \
		-pdmeventd \
		-plibdevmapper-dev \
		-plibdevmapper$(DEVMAPPER_ABINAME) \
		-plibdevmapper$(DEVMAPPER_ABINAME)-udeb \
		-plibdevmapper-event$(DEVMAPPER_ABINAME) \
		-- -v$(DEVMAPPER_VERSION_DEBIAN)
	dh_gencontrol --remaining-packages

override_dh_missing:
	dh_missing --sourcedir=debian/build/install_deb --fail-missing

override_dh_install:
	dh_install --sourcedir=debian/build/install_udeb \
		-pdmsetup-udeb \
		-plibdevmapper$(DEVMAPPER_ABINAME)-udeb \
		-plvm2-udeb
	dh_install --sourcedir=debian/build/install_deb \
		--remaining-packages

override_dh_installchangelogs:
	dh_installchangelogs -pdmeventd WHATS_NEW_DM
	dh_installchangelogs -plvm2 WHATS_NEW
	dh_installchangelogs --remaining-packages

override_dh_installinit:
	dh_installinit -plvm2 --no-start
	dh_installinit -plvm2 --restart-after-upgrade --name lvm2-lvmpolld

override_dh_makeshlibs:
	dh_makeshlibs -plibdevmapper$(DEVMAPPER_ABINAME) \
		--add-udeb 'libdevmapper$(DEVMAPPER_ABINAME)-udeb' \
	       	"-Vlibdevmapper$(DEVMAPPER_ABINAME) (>= $(DEVMAPPER_VERSION))" \
		-- "-v$(DEVMAPPER_VERSION_DEBIAN)" -c2
	dh_makeshlibs -plibdevmapper-event$(DEVMAPPER_ABINAME) \
		"-Vlibdevmapper-event$(DEVMAPPER_ABINAME) (>= $(DEVMAPPER_VERSION))" \
		-- "-v$(DEVMAPPER_VERSION_DEBIAN)" -c2
	dh_makeshlibs --remaining-packages -V \
		-- -c2

override_dh_installsystemd:
	dh_installsystemd -plvm2 --no-restart-after-upgrade --no-stop-on-upgrade \
		blk-availability.service \
		lvm2-monitor.service
	dh_installsystemd -plvm2 \
		lvm2-lvmpolld.socket
	dh_installsystemd --remaining-packages