PKGNAME =  tarsnap
SPECFILE = $(PKGNAME).spec
ARCH = $(shell rpm --eval "%{_arch}")
RPMBUILD = $(shell rpm --eval "%{_builddir}")
RPMSOURCE = $(shell rpm --eval "%{_sourcedir}")
RPMDIR = $(shell rpm --eval "%{_rpmdir}")

version = $(shell egrep "^Version" $(SPECFILE) | awk '{ print $$2}')
release = $(shell egrep "^Release" $(SPECFILE) | awk '{ print $$2}' | cut -d% -f1)
dist = $(shell rpm --eval "%{?dist}")

sourceurl = https://www.tarsnap.com/download/tarsnap-autoconf-$(version).tgz
source = $(RPMSOURCE)/tarsnap-autoconf-$(version).tgz

RPM = $(RPMDIR)/$(ARCH)/$(PKGNAME)-$(version)-$(release)$(dist).$(ARCH).rpm
SHA = $(PKGNAME)-$(version)-$(release)$(dist).$(ARCH).rpm.sha256

all: $(RPM)

$(RPM): $(SPECFILE) $(source)
	rpmbuild -bb $<

$(source):
	wget -O $@ $(sourceurl)

sign: $(RPM)
	rpm --addsign $<
	rpm -K $<

release: $(RPM) sign
	sha256sum $< > $(SHA)
	tea release create --draft --title "v$(version)" --tag v$(version) \
		--asset $< --asset $(SHA)

clean:
	rm $(RPM) $(source) $(SHA)

.PHONY: clean