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

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

RELEASE_URL_BASE = http://download.gnome.org/sources/cogl
RELEASE_URL      = $(RELEASE_URL_BASE)/$(COGL_1_MAJOR_VERSION).$(COGL_1_MINOR_VERSION)

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

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

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

release-tag:
	@if test "x$(COGL_RELEASE_STATUS)" = "xgit"; then \
	  echo "Cannot tag a Git version; please, update the Cogl version" >&2; \
	else \
	  if test -d "$(top_srcdir)/.git"; then \
	    echo "Tagging release $(COGL_1_VERSION)..." ; \
	    $(top_srcdir)/build/missing --run git tag \
	 	-s \
	      	-m "Cogl $(COGL_1_VERSION) ($(COGL_RELEASE_STATUS))" \
		$(COGL_1_VERSION) ; \
	  else \
	    echo A git checkout is required to tag a release >&2; \
	  fi \
	fi

release-check: release-verify-even-micro 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 "$(COGL_1_VERSION)" $(top_srcdir)/NEWS; then \
	  (echo "Ouch." && \
	   echo "The version in the NEWS file does not match $(COGL_1_VERSION)." && \
	   echo "This probably means you haven't updated the NEWS file." && \
	   false); else :; fi
	@echo "Good."

release-verify-even-micro:
	@echo -n "Checking that $(VERSION) has an even micro component..."
	@test "$(COGL_1_MICRO_VERSION)" = "`echo $(COGL_1_MICRO_VERSION)/2*2 | bc`" || \
	  (echo "Ouch." && \
	   echo "The version micro component '$(COGL_1_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)
	@echo "Uploading to master.gnome.org..."
	@scp $(tar_file) master.gnome.org:
	@echo "Running ftpadmin install..."
	@ssh master.gnome.org ftpadmin install $(tar_file)
	@mv -f $(sha256_file) $(top_builddir)/build/$(sha256_file)
	@echo "Done."

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: Release Cogl $(COGL_1_VERSION) ($(COGL_RELEASE_STATUS))"
	@echo "        Contents:"
	@csplit -q --prefix=.README-section- $(top_builddir)/README '/^--$$/' '{*}'
	@csplit -q --prefix=.NEWS-section- NEWS '/^Cogl/' '{*}'
	@echo "--- CUT HERE ---"
	@echo "Good news, everyone!"
	@echo ""
	@echo "A new Cogl $(COGL_RELEASE_STATUS) ($(COGL_1_VERSION)) is now available:"
	@echo ""
	@echo "LATEST NEWS"
	@echo "-------------------------------------------------------------------------------"
	@echo ""
	@cat .NEWS-section-01
	@echo "FETCHING THE RELEASE"
	@echo "-------------------------------------------------------------------------------"
	@echo ""
	@echo "Tarballs can be downloaded from:"
	@echo ""
	@echo "  http://download.gnome.org/sources/cogl/1.$(COGL_1_MINOR_VERSION)/"
	@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/cogl"
	@echo ""
	@echo "will include a signed $(COGL_1_VERSION) tag which points to a commit named:"
	@echo "  `git cat-file tag $(COGL_1_VERSION) | $(GREP) ^object | $(SED) -e 's,object ,,'`"
	@echo ""
	@echo "which can be verified with:"
	@echo "  git verify-tag $(COGL_1_VERSION)"
	@echo ""
	@echo "and can be checked out with a command such as:"
	@echo "  git checkout -b build $(COGL_1_VERSION)"
	@echo ""
	@tail -n +2 .README-section-01
	@echo ""
	@tail -n +2 .README-section-02
	@echo ""
	@echo ""
	@echo "DOCUMENTATION"
	@echo "-------------------------------------------------------------------------------"
	@echo ""
	@echo "The 1.x stable API is documented here:"
	@echo "  http://developer.gnome.org/cogl/stable/"
	@echo "The 1.x development API is documented here:"
	@echo "  http://developer.gnome.org/cogl/1.$(COGL_1_MINOR_VERSION)"
	@echo ""
	@echo "The experimental 2.0 API is currently not hosted online but can be built"
	@echo "by passing the --enable-gtk-doc option to ./configure when building."
	@echo ""
	@echo ""
	@echo "RELEASE NOTES"
	@echo "-------------------------------------------------------------------------------"
	@if test "x$(COGL_RELEASE_STATUS)" = "xsnapshot"; then \
		echo "  - This is a development snapshot release so there are not API or ABI stability"; \
		echo "    guarantees at this point for new APIs since the last stable release."; \
		echo ""; \
	fi
	@echo "  - This Cogl release exports a 1.x API (For third-party Clutter"
	@echo "    developers to write custom actors) and an experimental 2.0 API which"
	@echo "    allows standalone application development."
	@echo ""
	@echo "  - Internally Clutter depends on the Cogl 2.0 experimental API so we maintain"
	@echo "    runtime compatibility between the 1.x API and experimental 2.0 APIs, which"
	@echo "    means developers can mix-and-match their use of the APIs in the same"
	@echo "    process.  API selection is done per-file by including a line like: '#define"
	@echo "    COGL_ENABLE_EXPERIMENTAL_2_0_API' before including cogl.h or clutter.h."
	@echo ""
	@echo "  - We recommend using the 2.0 API if you don't mind updating your code once in"
	@echo "    a while as this API evolves and stabilizes. We promise not to break the 2.0"
	@echo "    API during a 1.x stable cycle and hope that will encourage people to"
	@echo "    experiment with it and give critical feedback! For example after releasing"
	@echo "    1.8, the 2.0 API will be stable for 1.8.1, 1.8.2, 1.8.3 etc, but may update"
	@echo "    for 1.9/1.10."
	@echo ""
	@echo "  - Because we export the 1.x and 2.0 APIs from one libcogl.so the library"
	@echo "    versioning, and thus ABI, can only be considered as stable as our 2.0 API - "
	@echo "    i.e. during a stable release 1.x cycle."
	@echo ""
	@echo "  - Please report bugs using the Cogl Bugzilla product, at:"
	@echo "    http://bugzilla.gnome.org/enter_bug.cgi?product=cogl"
	@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
