# To make real stable releases or devel snapshots, use either:
# 	make release-check
# or	make release-publish

TAR_OPTIONS = --owner=0 --group=0

RELEASE_UPLOAD_HOST = clutter-project.org
RELEASE_UPLOAD_USER = clutter
RELEASE_UPLOAD_DIR  = $(RELEASE_UPLOAD_USER)@$(RELEASE_UPLOAD_HOST):~$(RELEASE_UPLOAD_USER)/upload-source

RELEASE_URL_BASE = http://source.clutter-project.org/sources/clutter
RELEASE_URL      = $(RELEASE_URL_BASE)/$(CLUTTER_MAJOR_VERSION).$(CLUTTER_MINOR_VERSION)

RELEASE_ANNOUNCE_LIST = clutter-announce@clutter-project.org
RELEASE_ANNOUNCE_CC   = gnome-announce-list@gnome.org

tar_file    = $(distdir).tar.bz2
sha256_file = $(distdir).sha256sum

$(sha256_file): $(tar_file)
	$(AM_V_GEN)sha256sum $^ > $@

release-tag:
	@if test "x$(CLUTTER_RELEASE_STATUS)" = "xgit"; then \
	  echo "Cannot tag a Git version; please, update the Clutter version" >&2; \
	else \
	  if test -d "$(top_srcdir)/.git"; then \
	    echo "Tagging release $(CLUTTER_VERSION)..." ; \
	    $(top_srcdir)/build/missing --run git tag \
	 	-s \
	      	-m "Clutter $(CLUTTER_VERSION) ($(CLUTTER_RELEASE_STATUS))" \
		$(CLUTTER_VERSION) ; \
	  else \
	    echo A git checkout is required to tag a release >&2; \
	  fi \
	fi

release-check: release-verify-even-micro release-verify-sane-changelogs release-verify-news
	TAR_OPTIONS="$(TAR_OPTIONS)" $(MAKE) $(AM_MAKEFLAGS) distcheck

release-verify-news:
	@echo -n "Checking that the NEWS file has been updated..."
	@if ! grep -q "$(CLUTTER_VERSION)" $(top_srcdir)/NEWS; then \
	  (echo "Ouch." && \
	   echo "The version in the NEWS file does not match $(CLUTTER_VERSION)." && \
	   echo "This probably means you haven't updated the NEWS file." && \
	   false); else :; fi
	@echo "Good."

release-verify-sane-changelogs: changelogs
	@echo -n "Checking that the ChangeLog files are sane..."
	@if grep -q "is required to generate" $(CHANGELOGS); then \
	  (echo "Ouch." && \
	   echo "Some of the ChangeLogs are not generated correctly." && \
	   echo "Remove ChangeLog* and make changelogs" && false); else :; fi
	@echo "Good."

release-verify-even-micro:
	@echo -n "Checking that $(VERSION) has an even micro component..."
	@test "$(CLUTTER_MICRO_VERSION)" = "`echo $(CLUTTER_MICRO_VERSION)/2*2 | bc`" || \
	  (echo "Ouch." && \
	   echo "The version micro component '$(CLUTTER_MICRO_VERSION)' is not an even number." && \
	   echo "The version in configure.ac must be incremented before a new release." && \
	   false)
	@echo "Good."

release-upload: $(sha256_file)
	@scp $(tar_file) $(RELEASE_UPLOAD_DIR)
	@mv -f $(sha256_file) $(top_builddir)/build/$(sha256_file)

release-message:
	@echo "     Release URL: $(RELEASE_URL)/$(tar_file)"
	@echo "Release checksum: $(RELEASE_URL)/$(sha256_file)"
	@echo "Send an email to: $(RELEASE_ANNOUNCE_LIST)"
	@echo "              Cc: $(RELEASE_ANNOUNCE_CC)"
	@echo "         Subject: Clutter $(CLUTTER_VERSION) ($(CLUTTER_RELEASE_STATUS))"
	@echo "        Contents:"
	@echo "--- CUT HERE ---"
	@echo "Good news, everyone!"
	@echl ""
	@echo "A new Clutter $(CLUTTER_RELEASE_STATUS) is now available at:"
	@echo ""
	@echo "  $(RELEASE_URL)/$(tar_file)"
	@echo ""
	@echo "SHA256 Checksum:"
	@echo ""
	@cat $(top_builddir)/build/$(sha256_file)
	@echo ""
	@echo "Additionally, a git clone of the source tree:"
	@echo "  git clone git://git.gnome.org/clutter"
	@echo ""
	@echo "will include a signed $(CLUTTER_VERSION) tag which points to a commit named:"
	@echo "  `git cat-file tag $(CLUTTER_VERSION) | grep ^object | sed -e 's,object ,,'`"
	@echo ""
	@echo "which can be verified with:"
	@echo "  git verify-tag $(CLUTTER_VERSION)"
	@echo ""
	@echo "and can be checked out with a command such as:"
	@echo "  git checkout -b build $(CLUTTER_VERSION)"
	@echo ""
	@echo "--- CUT HERE ---"

release-publish: release-check
	$(MAKE) $(AM_MAKEFLAGS) release-tag
	$(MAKE) $(AM_MAKEFLAGS) release-upload
	$(MAKE) $(AM_MAKEFLAGS) release-message
	
.PHONY: \
	release-check \
	release-message \
	release-publish \
	release-tag \
	release-upload \
	release-verify-even-micro \
	release-verify-sane-changelogs