#!/usr/bin/make -f

derives_from_ubuntu := $(shell (dpkg-vendor --derives-from Ubuntu && echo "yes") || echo "no")

-include /usr/share/python3/python.mk
ifeq (,$(py_sitename))
   py_sitename = site-packages
   py_libdir = /usr/lib/python$(subst python,,$(1))/site-packages
   py_sitename_sh = $(py_sitename)
   py_libdir_sh = $(py_libdir)
endif

# Override py_sitename as the python.mk module gives the wrong "dist-packages"
py_sitename = site-packages

PYTHON=python3
PYTHON_DEFAULT_VERSION:=$(shell py3versions -dv)
PYTHON_SITENAME:=$(call py_sitename, $(PYTHON_DEFAULT_VERSION))

PKGTMP:=$(CURDIR)/debian/tmp
PPDDIR:=$(PKGTMP)/usr/share/ppd

# Autoconf
export DEB_HOST_ARCH_OS   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
export DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
export DEB_BUILD_MAINT_OPTIONS = hardening=+all

GZIP = gzip -n --best

##
##  Build-tree preparation
##

%:
	dh $@ --buildsystem=autoconf --with python3 --with pyppd

override_dh_autoreconf:
	dh_autoreconf --as-needed sh -- debian/autogen.sh

# Clean everything up, including everything auto-generated
# at build time that needs not to be kept around in the Debian diff
override_dh_clean:
	dh_clean
	find . -regextype posix-extended -iregex '.*\.(ldl|ppd|pdf|ps|pcl)\.gz' | xargs gunzip -f ;\
	rm -f *.1
	-rm -f prnt/hpijs/platform.h prnt/hpijs/auto-include.h
	find -type d -name build -print0 | xargs -0 -r rm -rf \;
	# We prefer to regenerate these using pyuic
	(cd ui5 && for i in *.ui ; do rm -f $${i%.ui}.py ; done)


##
##  Package build
##

override_dh_auto_configure:
	dh_auto_configure -- \
		PYTHON="$(PYTHON)" \
	 	--config-cache \
		--docdir=\$${prefix}/share/doc/hplip \
		--with-docdir=\$${prefix}/share/doc/hplip \
		--with-htmldir=\$${prefix}/share/doc/hplip-doc \
		--disable-foomatic-rip-hplip-install \
		--with-drvdir=\$${prefix}/share/cups/drv \
		--with-hpppddir=\$${prefix}/share/ppd/hplip/HP \
		--datadir=\$${prefix}/share \
		--without-icondir \
		--enable-hpcups-install \
		--enable-cups-drv-install \
		--enable-hpijs-install \
		--enable-foomatic-drv-install \
		--disable-foomatic-ppd-install \
		--enable-network-build \
		--enable-scan-build \
		--enable-gui-build \
		--enable-fax-build \
		--disable-qt3 \
		--disable-qt4 \
		--enable-qt5 \
		--enable-policykit

override_dh_auto_build:
	# Compress various files before building, they are needed for the build, and were
	# compressed in the non-repacked upstream tarballs
	-find . -name '*.ppd' | xargs ${GZIP} -f
	-find data/ -regextype posix-extended -regex '.*\.(ldl|pcl|ps|pdf)' | xargs ${GZIP} -f

	# Rebuild the UI files and patch the imports to be relative
	(set -e; cd ui5; \
		for i in *.ui ; do pyuic5 -o $${i%.ui}.py $$i; done; \
		modules=$$(for i in *.py; do echo -n $${i%%.py}\|; done; echo dummyalternative); \
		sed -r "s#from ($$modules)#from .\1#" -i *.py \
	)
	# Patch out retranslateUi call like upstream does
	sed -i s/self.retranslateUi/#self.retranslateUi/ ui5/devmgr5_base.py

	# Rebuild the .drv.in files from drv.in.template
	$(PYTHON) ./dat2drv.py
	
	dh_auto_build

##
## Debian packaging
##

override_dh_install:
	# Clean up libtool archives
	find $(PKGTMP) -name '*.la' -delete

	# Remove hpcups support for the HP Officejet Pro K550 as it is known
	# to not work. This way hpijs (which works) will be used (Ubuntu bugs
	# #981473, #1311697)
	perl -e '$$content = join("", <>); $$content =~ s:^\s*\{[^\n]*?\n[^\n]*?pro.k550.*?\}\s*\n::ism; print $$content' $(PKGTMP)/usr/share/cups/drv/hpcups.drv > $(PKGTMP)/usr/share/cups/drv/hpcups.drv.new
	rm $(PKGTMP)/usr/share/cups/drv/hpcups.drv
	mv $(PKGTMP)/usr/share/cups/drv/hpcups.drv.new $(PKGTMP)/usr/share/cups/drv/hpcups.drv

ifeq ($(derives_from_ubuntu),yes)
	# Install wrapper script for hp-plugin, to be called by update-notifier
	# on udev signal (Ubuntu only)
	install -d $(CURDIR)/debian/hplip/usr/bin/
	install -m 755 debian/local/scripts/hp-plugin-ubuntu $(CURDIR)/debian/hplip/usr/bin/
endif
	# Install Apport hook
	install -D -m 644 debian/local/apport-hook.py $(PKGTMP)/usr/share/apport/package-hooks/source_hplip.py

	# Remove identical PPD files shipped under different names
	( cd "$(PKGTMP)" && fdupes -r1q usr/share/ppd | while read s; do \
	      set -- $$(echo $$s | tr ' ' '\n' | sort); \
	      f=$$1; shift; \
	      for d; do \
		  echo "Removing duplicate PPD file $$d, original is $$f"; \
		  rm $$d; \
	      done; \
	  done )

	# Generate man pages corresponding to the programs
	export HPLIP_BUILD=1; \
	( cd ./debian/tmp/usr/bin/; \
	    for file in *; do \
			if readlink $$file | grep ".py"; then \
				PYTHONPATH=../lib/python$(PYTHON_DEFAULT_VERSION)/$(PYTHON_SITENAME)/ \
				HOME=./ \
				LD_LIBRARY_PATH=../lib/$(DEB_HOST_MULTIARCH) $(PYTHON) ./$$file --help-man > $(CURDIR)/$$file.1 ; \
			fi; \
	    done \
	)

	# Correct Python interpreter path in all executables, and 'upgrade' it to $(PYTHON)
	for file in ./debian/tmp/usr/bin/* ./debian/tmp/usr/lib/cups/*/*; do \
	    perl -p -i -e 's:^\s*\#\!\s*/usr/bin/(env\s+)?python.*:#!/usr/bin/$(PYTHON):' `readlink -f $$file`; \
	done

	# Remove unneeded explicit calls of the Python interpreter to let the
	# (upgraded) shebangs rule
	for file in ./debian/tmp/*/udev/rules.d/*.rules; do \
	    perl -p -i -e 's:/usr/bin/$(PYTHON)\b\s*::' `readlink -f $$file`; \
	done

	# Remove all *.pyc files, they do not need to be shipped with the
	# package
	find ./debian/tmp/ -name '*.pyc' -print0 | xargs -0 rm -f

	# Remove files we are not to ship from the install tree
	@echo Removing non-shipped files, see debian/non-shipped-files.txt
	@cat debian/non-shipped-files.txt | \
		( cd "$(PKGTMP)" && xargs -d '\n' -t -r rm -fv )

	# Remove stray #! lines on python libraries, and fix permissions
	find "$(PKGTMP)/usr/share/hplip" -maxdepth 1 -mindepth 1 -type d -print0 | \
		xargs -0 -r -i@ find @ -type f -name '*.py' | \
		while read -r i ; do \
			chmod a-x "$$i" && \
			sed < "$$i" > "$$i.tmp" -e '/^#!/ {1 d}' && \
			mv -f "$$i.tmp" "$$i" ; \
		done

	# executable-not-elf-or-script
	chmod -x $(PKGTMP)/usr/share/hplip/installer/distros.dat

	mkdir -p "$(PKGTMP)/usr/share/applications"
	install -m 644 debian/*.desktop "$(PKGTMP)/usr/share/applications"

	mkdir -p "$(PKGTMP)/etc/sane.d/dll.d"
	install -m 644 debian/hplip.sane "$(PKGTMP)/etc/sane.d/dll.d/hplip"

	dh_install

	# Modify all Ghostscript command lines to have the "-dNOINTERPOLATE"
	# coomand line option. This makes rendering the pages much faster
	perl -p -i -e "s/(\-sDEVICE=)/-dNOINTERPOLATE \1/" \
		$(CURDIR)/debian/*/usr/share/ppd/hplip/HP/HP-Fax*.ppd \
		$(CURDIR)/debian/*/usr/share/cups/drv/hpijs.drv \
		$(CURDIR)/debian/*/usr/lib/cups/filter/pstotiff

	# Patch the PPDs for the hpijs-ppds package to use foomatic-rip
	# as CUPS filter and not foomatic-rip-hplip. Also add
	# "-dNOINTERPOLATE" to the Ghostscript command lines to make rendering
	# by Ghostscript faster.
	(if dh_listpackages | grep -q hpijs-ppds; then  \
	  cd $(CURDIR)/debian/hpijs-ppds/usr/share/ppd/hplip/HP/ && \
	  for ppdgz in *.ppd.gz; do \
	    gunzip -f $$ppdgz; \
	    ppd=$$(basename $$ppdgz .gz);\
	    perl -p -i -e 's/foomatic-rip-hplip/foomatic-rip/g' $$ppd; \
	    perl -p -i -e "s/(\-sDEVICE=)/-dNOINTERPOLATE \1/" $$ppd; \
	  done; fi \
	)

	# Circumvent CUPS forbidding 'Custom' options (see #935918 and https://github.com/apple/cups/issues/5639 )
	(if dh_listpackages | grep -q printer-driver-postscript-hp; then  \
	  cd $(CURDIR)/debian/printer-driver-postscript-hp/usr/share/ppd/hplip/HP/ && \
	  for ppdgz in *.ppd.gz; do \
	    gunzip -f $$ppdgz; \
	    ppd=$$(basename $$ppdgz .gz);\
	    perl -p -i -e 's/^(\*[^%%].*) Custom([^a-zA-Z].*)$$/\1 Customized\2/g' $$ppd; \
	  done; fi \
	)

	# Remove models.dat from hplip-data - we ship with libsane-hpaio
	if dh_listpackages | grep -q hplip-data; then \
		rm $(CURDIR)/debian/hplip-data/usr/share/hplip/data/models/models.dat; \
	fi

override_dh_pyppd:
	# Don't compress the 4 Fax PPDs
	dh_pyppd -Nprinter-driver-hpijs -Nprinter-driver-hpcups

override_dh_makeshlibs:
	dh_makeshlibs -plibsane-hpaio --noscripts
	dh_makeshlibs --remaining-packages

override_dh_python3:
	dh_python3 --no-shebang-rewrite
	dh_python3 /usr/share/hplip --no-shebang-rewrite

override_dh_shlibdeps:
	dh_shlibdeps --dpkg-shlibdeps-params=--ignore-missing-info

get-orig-source:
	set -e;\
	curbranch=$$(git rev-parse --abbrev-ref HEAD); \
	repackv=+dfsg0; \
	quilt pop -af || true ;\
	rm -Rf .pc ;\
	gbp import-orig --no-pristine-tar --no-merge --uscan --upstream-branch=upstream/latest;\
	git checkout upstream/latest-repack ;\
	utag=`git describe --exact-match heads/upstream/latest | sed -e 's#^upstream/##'` ;\
	git merge --strategy-option=theirs --no-commit upstream/$$utag || true ;\
	find . -regextype posix-extended -iregex '.*\.(ldl|ppd|pdf|ps|pcl)\.gz' | xargs gunzip -f ;\
	rm -f locatedriver prnt/plugins/*.so; \
	git add -A . ;\
	git commit -m "Merge upstream $$utag version; un-gzip source files; remove locatedriver and compiled plugins" ;\
	urtag=$$utag$$repackv ;\
	urcommit=`git rev-parse --verify HEAD`;\
	git tag upstream/$$urtag -m "Upstream repacked $$utag version" ;\
	git archive --format=tar --prefix=hplip-$$urtag/ upstream/$$urtag | xz -6e > ../hplip_$$urtag.orig.tar.xz ;\
	pristine-tar commit ../hplip_$$urtag.orig.tar.xz upstream/$$urtag ;\
	git checkout $$curbranch ;\
	git debrebase new-upstream $$urtag $$urcommit^{commit}