Makefile

#
# Variables needed to build the kernel module
#
name      = cern-rpmverify

#
# Distributions which src rpms are built for by default
# The corresponding spec file is needed: DIST/$(name).spec
#
DISTS     ?= slc6 el7.centos

#
# Get current version number
# 
version   = $(shell cat VERSION | cut -d- -f1)
release   = $(shell cat VERSION | cut -d- -f2)

#
# Get machine architecture
#
arch      = $(shell uname -i)

#
# variables for all external commands (we try to be verbose)
#

GIT       = git
PERL      = perl
RPMBUILD  = rpmbuild
SED       = sed

all: srpms

#+++############################################################################
#                                                                              #
# version management                                                           #
#                                                                              #
#---############################################################################

#
# internal targets
#

.PHONY: _increment_version _increment_release _increment_release_build _update_spec _git_commit_tag

_increment_version:
	@$(PERL) -pi -e 'die("invalid version: $$_\n") unless \
	  s/^(\d+)\.(\d+)-\d+(.*?)$$/sprintf("%d.%d-%d%s", $$1+1, 0, 1, $$3)/e' VERSION

_increment_release:
	@$(PERL) -pi -e 'die("invalid version: $$_\n") unless \
	  s/^(\d+)\.(\d+)-\d+(.*?)$$/sprintf("%d.%d-%d%s", $$1, $$2+1, 1, $$3)/e' VERSION

_increment_release_build:
	@$(PERL) -pi -e 'die("invalid version: $$_\n") unless \
	  s/^(\d+)\.(\d+)-(\d+)(.*?)$$/sprintf("%d.%d-%d%s", $$1, $$2, $$3+1, $$4)/e' VERSION

_update_spec: $(DISTS:=.specfile)

%.specfile: $(name).spec
	@version=`cat VERSION | cut -d- -f1`; \
	$(SED) -i -e "s/^\(Version:\s\+\)\S\+\s*$$/\1$$version/" $<
	@release=`cat VERSION | cut -d- -f2`; \
	$(SED) -i -e "s/^\(Release:\s\+\)\d\+\(\S*\)\s*$$/\1$$release\2/" $<

_git_commit_tag:
	@version=`cat VERSION | cut -d- -f1`; \
	$(GIT) commit -a -m "global commit for version $(version)" || exit 1; \
	tag="v$(version)" ; \
	$(GIT) tag $$tag || exit 1; \
        $(GIT) push || exit 1; \
        $(GIT) push origin $$tag || exit 1; \
	echo "New version is $(version) (tag $$tag)"

_git_force_commit_tag:
	@version=`cat VERSION | cut -d- -f1`; \
	$(GIT) commit -a -m "global commit for version $(version)" || exit 1; \
	tag="v$(version)" ; \
	$(GIT) tag -f $$tag || exit 1; \
        $(GIT) push || exit 1; \
        $(GIT) push origin $$tag || exit 1; \
	echo "New version is $(version) (tag $$tag)"

#
# standard targets
#

version:       _increment_version _update_spec _git_commit_tag

release:       _increment_release _update_spec _git_commit_tag

release_build: _increment_release_build _update_spec _git_force_commit_tag


#+++############################################################################
#                                                                              #
# RPMs building                                                                #
#                                                                              #
#---############################################################################


dist: $(name)-$(version).tgz

%.tgz:
	@git archive --format=tar --prefix=$(name)-$(version)/ v$(version) \
	| gzip > $(name)-$(version).tgz

dir.%:
	@mkdir -p $*

srpms: $(DISTS:=.srpm)
rpms: $(DISTS:=.rpm)

slc5.srpm: $(name).spec dist dir.rpms
	@$(RPMBUILD) --define "_sourcedir ${PWD}" --define "_srcrpmdir ${PWD}/rpms" --define "dist .slc5" --define '_source_filedigest_algorithm 1' --define '_binary_filedigest_algorithm 1' --define '_binary_payload w9.gzdio' -bs $<;

%.srpm: $(name).spec dist dir.rpms
	@$(RPMBUILD) --define "_sourcedir ${PWD}" --define "_srcrpmdir ${PWD}/rpms" --define "dist .$*" -bs $<;

%.rpm: %.srpm
	@rpmbuild --rebuild --define '_rpmdir ${PWD}/rpms' --define 'dist .$*' rpms/$(name)-$(version)-$(release).$*.src.rpm

dist.clean:
	@rm -f *tgz