#!/usr/bin/make -f

# We require some bash features
override SHELL := /bin/bash

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

DEB_CFLAGS_MAINT_APPEND := -Wno-error=deprecated-declarations
DEB_CPPFLAGS_MAINT_APPEND := -DDEBIAN_VERSION='\"$(DEB_VERSION)\"'
DPKG_EXPORT_BUILDFLAGS := 1

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/buildflags.mk
include /usr/share/dpkg/buildtools.mk

LANGUAGES := en $(patsubst po/%.po,%,$(wildcard po/*.po))

# Files that have version strings substituted in the tarball but never in git
VERSION_SUB_FILES := devel.but osx/Info.plist puzzles.but version.h

%:
	dh $@ --without autoreconf

CMAKE_OPTS := -DNAME_PREFIX=sgt- -DCMAKE_INSTALL_BINDIR=/usr/games

override_dh_auto_configure:
# In a cross-build, we need to first do a native build to generate the
# icon files.  In a fully native build this is done automatically.
ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
	mkdir -p obj-$(DEB_BUILD_GNU_TYPE)
	cd obj-$(DEB_BUILD_GNU_TYPE) && cmake $(CMAKE_OPTS) ..
	$(MAKE) -C obj-$(DEB_BUILD_GNU_TYPE) VERBOSE=$(if $(filter terse,$(DEB_BUILD_OPTIONS)),0,1)
	cp obj-$(DEB_BUILD_GNU_TYPE)/icons/*-icon.c icons/
endif
	dh_auto_configure -- $(CMAKE_OPTS)

override_dh_auto_build:
	dh_auto_build
	cp obj-$(DEB_HOST_GNU_TYPE)/gamedesc.txt .
	$(MAKE) -f Makefile.doc BINPREFIX=sgt-

# Disable running tests; they are quite slow and don't seem likely to catch
# regressions.
override_dh_auto_test:

override_dh_installdocs:
	for lang in $(LANGUAGES); do \
		dh_install html-$$lang/*.html usr/share/sgt-puzzles/help/$$lang \
		|| exit; \
	done
	dh_installdocs

override_dh_installman:
	for lang in $(LANGUAGES); do \
		dh_installman --language=$${lang/en/C} man-$$lang/* || exit; \
	done

override_dh_auto_clean:
ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
	rm -rf obj-$(DEB_BUILD_GNU_TYPE)
	rm -f icons/*-icon.c
endif
	dh_auto_clean
	rm -f gamedesc.txt
	$(MAKE) -f Makefile.doc clean

FORCE:
.PHONY: FORCE

../puzzles.tar.gz: FORCE
	curl -L -R -o $@ $(if $(wildcard $@),-z $@) https://www.chiark.greenend.org.uk/~sgtatham/puzzles/puzzles.tar.gz

../puzzles.tar.version: ../puzzles.tar.gz
	version="$$(tar -xOzf $< --wildcards '*/version.h' | \
		    sed -n 's/^\#define VER "Version \([^ ]*\)"$$/\1/p')" && \
	test "$${version#*.}" != "$$version" &&				\
	echo "$$version" > $@

# Updating to a new upstream includes a rebase which will often
# require manual fixup.  Split the commands into two targets so it's
# possible to continue after that point.
update-upstream:
	debian/rules update-upstream-1
	debian/rules update-upstream-2
update-upstream-1: ../puzzles.tar.gz ../puzzles.tar.version
	test ! -d .pc || quilt pop -a
	version="$$(cat ../puzzles.tar.version)" &&			\
	upstream_commit="$${version#*.}" &&				\
	git tag -f -m "Upstream version $$version" "upstream/$$version"	\
		"$$upstream_commit" &&					\
	git deborig --force --version "$$version" &&			\
	git merge "upstream/$$version"
update-upstream-2:
	QUILT_PATCHES=debian/patches quilt push 0001-Apply-version-string-substitutions-from-the-tarball.patch
	tar -xzf ../puzzles.tar.gz --strip-components=1 --wildcards	\
		$(addprefix '*/',$(VERSION_SUB_FILES))
	quilt refresh
	quilt push -a
.PHONY: update-upstream

update-po:
	set +e; quilt unapplied >/dev/null && echo 'Patch series not fully applied'; test $$? -eq 1
	dh_auto_configure -- $(CMAKE_OPTS)
	cp obj-$(DEB_HOST_GNU_TYPE)/gamedesc.txt .
	make -f Makefile.doc update-po
	quilt pop 0003-Add-German-translation-of-documentation.patch
	quilt refresh
	quilt pop 206_translate-docs.diff
	quilt refresh
	quilt push -a
.PHONY: update-po