#!/usr/bin/make -f

UPSTREAM_GIT    ?= git://github.com/mitsuhiko/itsdangerous.git
DEBVERS         ?= $(shell dpkg-parsechangelog | sed -n -e 's/^Version: //p')
VERSION         ?= $(shell echo '$(DEBVERS)' | sed -e 's/^[[:digit:]]*://' -e 's/[-].*//')
DEBFLAVOR       ?= $(shell dpkg-parsechangelog | grep -E ^Distribution: | cut -d" " -f2)
DEBPKGNAME      ?= $(shell dpkg-parsechangelog | grep -E ^Source: | cut -d" " -f2)
GIT_TAG         ?= $(shell echo '$(VERSION)' | sed -e 's/~/_/')
MANIFEST_EXCLUDE_STANDARD ?= $(DEBPKGNAME)
DEBIAN_BRANCH   ?= $(shell cat debian/gbp.conf | grep debian-branch | cut -d'=' -f2 | awk '{print $1}')

PYTHONS:=$(shell pyversions -vr)
PYTHON3S:=$(shell py3versions -vr)

%:
	dh $@ --buildsystem=python_distutils --with python2,python3,sphinxdoc

override_dh_clean:
	dh_clean -O--buildsystem=python_distutils
	rm -rf build itsdangerous.egg-info

override_dh_auto_install:
	set -e && for pyvers in $(PYTHONS); do \
		python$$pyvers setup.py install --install-layout=deb \
			--root $(CURDIR)/debian/python-itsdangerous; \
	done

	set -e && for pyvers in $(PYTHON3S); do \
		python$$pyvers setup.py install --install-layout=deb \
			--root $(CURDIR)/debian/python3-itsdangerous; \
	done

override_dh_sphinxdoc:
ifeq (,$(findstring nodocs, $(DEB_BUILD_OPTIONS)))
	sphinx-build -b html docs $(CURDIR)/debian/python-itsdangerous-doc/usr/share/doc/python-itsdangerous-doc/html
	dh_sphinxdoc -O--buildsystem=python_distutils
endif

############################################
### Below is to manage upstream Git repo ###
### and is not used during package build ###
############################################
fetch-upstream-remote:  
	git remote add upstream $(UPSTREAM_GIT) || true
	git fetch upstream

gen-orig-xz:
	if [ ! -f ../$(DEBPKGNAME)_$(VERSION).orig.tar.xz ] ; then \
		git archive --prefix=$(DEBPKGNAME)-$(GIT_TAG)/ $(GIT_TAG) | xz >../$(DEBPKGNAME)_$(VERSION).orig.tar.xz ; \
	fi
	[ ! -e ../build-area ] && mkdir ../build-area || true
	[ ! -e ../build-area/$(DEBPKGNAME)_$(VERSION).orig.tar.xz ] && cp ../$(DEBPKGNAME)_$(VERSION).orig.tar.xz ../build-area

get-master-branch:
	if ! git checkout master ; then \
		echo "No upstream branch: checking out" ; \
		git checkout -b master upstream/master ; \
	fi
	git checkout $(DEBIAN_BRANCH)

get-vcs-source:
	$(CURDIR)/debian/rules fetch-upstream-remote
	$(CURDIR)/debian/rules gen-orig-xz
	$(CURDIR)/debian/rules get-master-branch