+$(TAR_FILE):
+ git archive --format=tar --prefix=$(PACKAGE)-$(VERSION)/ HEAD | gzip > $(TAR_FILE)
+ @echo "Source is ready for release in $(TAR_FILE)"
+
+$(SHA1_FILE): $(TAR_FILE)
+ sha1sum $^ > $@
+
+$(GPG_FILE): $(SHA1_FILE)
+ @echo "Please enter your GPG password to sign the checksum."
+ gpg --armor --sign $^
+
+.PHONY: dist
+dist: $(TAR_FILE)
+
+.PHONY: release
+release: release-verify-newer $(TAR_FILE) $(SHA1_FILE) $(GPG_FILE)
+ mkdir -p releases
+ scp $(TAR_FILE) $(SHA1_FILE) $(GPG_FILE) $(RELEASE_HOST):$(RELEASE_DIR)
+ mv $(TAR_FILE) $(SHA1_FILE) $(GPG_FILE) releases
+ ssh $(RELEASE_HOST) "rm -f $(RELEASE_DIR)/LATEST-$(PACKAGE)-[0-9]* && ln -s $(TAR_FILE) $(RELEASE_DIR)/LATEST-$(PACKAGE)-$(VERSION)"
+ git tag -s -m "$(PACKAGE) $(VERSION) release" $(VERSION)
+
+.PHONY: release-verify-version
+release-verify-version:
+ @echo -n "Checking that $(VERSION) is a two-component version..."
+ @if echo $(VERSION) | grep -q -v -x '[0-9]*\.[0-9]*'; then \
+ (echo "Ouch." && \
+ echo "Before releasing the notmuch version should be a two-component value." && false);\
+ else :; fi
+ @echo "Good."
+
+.PHONY: release-verify-newer
+release-verify-newer: release-verify-version
+ @echo -n "Checking that no $(VERSION) release already exists..."
+ @ssh $(RELEASE_HOST) test ! -e $(RELEASE_DIR)/$(TAR_FILE) \
+ || (echo "Ouch." && echo "Found: $(RELEASE_HOST):$(RELEASE_DIR)/$(TAR_FILE)" \
+ && echo "Refusing to replace an existing release." && false)
+ @echo "Good."
+