#!/usr/bin/make -f

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

include /usr/share/dpkg/default.mk

SOURCE := $(shell dpkg-parsechangelog | sed -ne 's,^Source: *\(.*\)$$,\1,p')
VERSION_BINNMU := $(shell echo "$(DEB_VERSION)" | sed -ne 's,.*\+b\(.*\)$$,\1,p')

include debian/rules.defs

setup: debian/control
	dh_testdir
	$(MAKE) -f debian/rules.gen setup_$(DEB_HOST_ARCH)

build: build-arch build-indep

build-arch: setup
	dh_testdir
	$(MAKE) -f debian/rules.gen build-arch_$(DEB_HOST_ARCH)

build-indep: setup
	dh_testdir
	$(MAKE) -f debian/rules.gen build-indep

maintainerclean:
	rm -f debian/control* debian/rules.gen debian/xen-hypervisor-* debian/xen-utils-[0-9]*
	rm -rf $(filter-out .svn debian, $(wildcard * .[^.]*))

clean: debian/control
	dh_testdir
	rm -rf $(BUILD_DIR) $(STAMPS_DIR) debian/lib/python/debian_xen/*.pyc
	dh_clean

binary-indep:
	dh_testdir
	$(MAKE) -f debian/rules.gen binary-indep

binary-arch:
	dh_testdir
	$(MAKE) -f debian/rules.gen binary-arch_$(DEB_HOST_ARCH)

binary:	binary-indep binary-arch

DIR_ORIG = ../orig/$(SOURCE)-$(DEB_VERSION_EPOCH_UPSTREAM)
TAR_ORIG_MAIN_NAME = $(SOURCE)_$(DEB_VERSION_EPOCH_UPSTREAM).orig.tar.gz
TAR_ORIG_MAIN = $(firstword $(wildcard ../$(TAR_ORIG_MAIN_NAME)) $(wildcard ../orig/$(TAR_ORIG_MAIN_NAME)))
TAR_ORIG_QEMU_NAME = $(SOURCE)_$(DEB_VERSION_EPOCH_UPSTREAM).orig-qemu.tar.gz
TAR_ORIG_QEMU = $(firstword $(wildcard ../$(TAR_ORIG_QEMU_NAME)) $(wildcard ../orig/$(TAR_ORIG_QEMU_NAME)))

orig: $(DIR_ORIG)
	rsync --delete --exclude debian --exclude .svk --exclude .svn -a $(DIR_ORIG)/ .

$(DIR_ORIG):
ifeq ($(TAR_ORIG_MAIN),)
	$(error Cannot find main orig tarball $(TAR_ORIG_MAIN_NAME))
else
	mkdir -p ../orig
	tar -C ../orig -xzf $(TAR_ORIG_MAIN)
endif
ifeq ($(TAR_ORIG_QEMU),)
	$(warning Cannot find qemu orig tarball $(TAR_ORIG_QEMU_NAME))
else
	tar -C $@ -xzf $(TAR_ORIG_QEMU)
endif

CONTROL_FILES += debian/changelog debian/bin/gencontrol.py $(wildcard debian/templates/*.in) 
CONTROL_FILES += $(wildcard debian/arch/defines) $(wildcard debian/arch/*/defines)
GENCONTROL = $(__MODULES_DIR)gencontrol.py
debian/control debian/rules.gen: $(CONTROL_FILES)
ifeq ($(wildcard debian/control.md5sum),)
	$(MAKE) -f debian/rules debian/control-real
else ifeq ($(VERSION_BINNMU),)
	md5sum --check debian/control.md5sum --status || \
		$(MAKE) -f debian/rules debian/control-real
else
	grep -v debian/changelog debian/control.md5sum | md5sum --check - --status || \
		$(MAKE) -f debian/rules debian/control-real
endif

debian/control-real: $(CONTROL_FILES)
	debian/bin/gencontrol.py
	md5sum $^ > debian/control.md5sum
	@echo
	@echo This target is made to fail intentionally, to make sure
	@echo that it is NEVER run during the automated build. Please
	@echo ignore the following error, the debian/control file has
	@echo been generated SUCCESSFULLY.
	@echo
	exit 1

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