# $Id$

prefix:=/usr/local
DESTDIR:=

PKG=relevation
VERSION=$(shell bash devtools/relver.bash 2>/dev/null | awk '{ print $$1 }')
PKGVER=$(PKG)-$(VERSION)
PACKAGER:=$(shell finger -lp `echo $USER` 2>/dev/null | head -n1 | cut -d: -f3)
ifeq ($(PACKAGER),)
  PACKAGER:=$(shell getent passwd "`id -un`" | cut -d: -f5 | cut -d, -f1)
endif
TAR_EXCLUDES=--exclude-vcs --exclude=$(PKGVER) \
			 --exclude=*.swp --exclude=*.pyo --exclude=*.pyc \
			 --exclude=manpage.html --exclude=manpage.pdf

INSTALLROOT=$(DESTDIR)$(prefix)
MANROOT=$(INSTALLROOT)/share/man
# Where to install additional packages
PYTHONROOT=$(DESTDIR)$(shell python -c "import sys;from distutils import sysconfig; print(sysconfig.get_python_lib(0,0,prefix='$(prefix)'))")
DUSETUP=python3 setup.py # Distutils' setup
# Debian derived systems need special treatment for clean uninstalls
# since it uses different than standard directories
INSTALL_LAYOUT=
ifeq ($(findstring dist-packages,$(PYTHONROOT)),dist-packages)
  INSTALL_LAYOUT=--install-layout=deb
endif
# Set to something from the command-line to allow packaging of pre-releases
force:=

all: $(PKG).1
	@echo
	@echo "########################################################"
	@echo "# TARGETS:"
	@echo "#  install"
	@echo "#  uninstall"
	@echo "#  zip              (-> $(PKGVER).zip)"
	@echo "#  tarball          (-> $(PKGVER).tar.gz)"
	@echo "#  rpm"
	@echo "#  dist             (-> tarball + zip)"
	@echo "#  clean"
	@echo "#  distclean"
	@echo "#  testman           Displays compiled manpage"
	@echo "#  test_min_python   Find min. Python version required"
	@echo "#  "
	@echo "#        append force=1 to allow packaging pre-releases"
	@echo "########################################################"
	@echo

testman:
	docbook-to-man manpage_source.sgml | nroff -man | less

testmake:
	@echo VERSION=$(VERSION)
	@echo PKGVER=$(PKGVER)
	@echo PACKAGER=$(PACKAGER)
	@echo prefix=$(prefix)
	@echo DESTDIR=$(DESTDIR)
	@echo INSTALLROOT=$(INSTALLROOT)
	@echo MANROOT=$(MANROOT)
	@echo PYTHONROOT=$(PYTHONROOT)
	@echo INSTALL_LAYOUT=$(INSTALL_LAYOUT)

test_min_python: pyqver2.py
	python pyqver2.py -v -m 2.4 src/$(PKG).py src/$(PKG)/*.py

install: setup.py
	$(DUSETUP) install --prefix=$(DESTDIR)$(prefix) $(INSTALL_LAYOUT)

# There's no distutils uninstall
uninstall:
	-$(RM) $(INSTALLROOT)/bin/$(PKG) $(INSTALLROOT)/share/man/man1/$(PKG).1
	-for tool in gui.py devtools/*.py; do \
		$(RM) $(INSTALLROOT)/share/doc/$(PKG)/extra/`basename $$tool` ; \
	done
	-$(RM) $(PYTHONROOT)/$(PKG)/*
	-$(RM) $(PYTHONROOT)/$(PKGVER).egg-info
	-rmdir --parents $(INSTALLROOT)/share/doc/$(PKG)/extra/ \
			$(MANROOT)/man1/ \
			$(INSTALLROOT)/bin/ \
			$(PYTHONROOT)/$(PKG)/

clean:
	-$(RM) *.pyc *.pyo manpage.html manpage.pdf $(PKG).spec setup.py

distclean: clean
	-$(RM) $(PKGVER).tar.gz $(PKGVER).zip
	-$(RM) -r dist build $(PKGVER)/ pyqver2.py

dist: tarball zip
	-$(RM) -r $(PKGVER)

tarball: $(PKGVER).tar.gz

zip: $(PKGVER).zip

rpm: $(PKGVER).tar.gz $(PKG).spec
	@# XXX: ??? Combined doesn't catch Build-Requires
	rpmbuild -tb $< && rpmbuild -ts $<

$(PKGVER).tar.gz: is_release distclean $(PKG).spec setup.py
	$(DUSETUP) sdist -u root -g root --formats=gztar && mv dist/$@ .
	-@rmdir dist

$(PKGVER).zip: is_release distclean manpage.pdf manpage.html $(PKG).spec setup.py
	@# Specifial manifest with additional files
	cp MANIFEST.in MANIFEST.in.tmp
	echo include manpage.pdf manpage.html >> MANIFEST.in.tmp
	$(DUSETUP) sdist --formats=zip --template MANIFEST.in.tmp && mv dist/$@ .
	-$(RM) MANIFEST.in.tmp MANIFEST
	-@rmdir dist

setup.py: devtools/setup.py.in
	sed 's/@VERSION@/$(VERSION)/g' < $< > $@

egg: setup.py
	cat $< | sed -e 's/scripts=/py_modules=["__main__"],scripts=/' \
			-e 's/from distutils.core/from setuptools/' | python - bdist_egg

$(PKG).1: manpage_source.sgml
	docbook-to-man $< > $@

manpage.html: $(PKG).1
	man2html $< | sed '1,2d' > $@

manpage.pdf: $(PKG).1
	man -t ./$(PKG).1 | ps2pdf14 - > $@

is_release:
	# Only allowed if RELEASE
	test -n "$(force)" || bash devtools/relver.bash | grep -q -v 'DEBUG'

package_copy:
	@# Make a temporary copy to package
	-mkdir $(PKGVER)
	tar c . $(TAR_EXCLUDES) | ( cd $(PKGVER) && tar x )

$(PKG).spec: devtools/$(PKG).spec.in
	test -n "$(VERSION)" # Version (=$(VERSION)) must be defined
	@echo "[creating $@]"
	@cat "$<" | sed -e 's/@VERSION@/$(VERSION)/g' \
					-e 's/@PACKAGER@/$(PACKAGER)/g' > "$@"

pyqver2.py:
	wget https://github.com/ghewgill/pyqver/raw/master/pyqver2.py

exe:
	python win/setup_py2exe.py py2exe

.PHONY: testman clean distclean dist exe is_release zip