chore(release): v1.0.0

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build-programs clippy clippy-guest clippy-all test integration-test fmt idl
+.PHONY: build-programs clippy clippy-guest clippy-all test integration-test fmt idl changelog release
 
 build-programs:
 	./scripts/build-guests.sh
@@ -27,3 +27,19 @@ idl:
 		program=$$(basename "$$src" .rs); \
 		cargo run -p idl-gen -- "$$src" > "artifacts/$${program}-idl.json" || exit 1; \
 	done
+
+changelog:
+	git cliff -o CHANGELOG.md
+
+# Cut a release: regenerate the changelog for VERSION, commit it, and tag that
+# commit so the tag contains the changelog. Usage: make release VERSION=v0.3.0
+# (omit VERSION to let git-cliff pick the next semver from the commit history).
+release:
+	@VERSION="$(VERSION)"; \
+	if [ -z "$$VERSION" ]; then VERSION=$$(git cliff --bumped-version); fi; \
+	echo "Releasing $$VERSION"; \
+	git cliff --tag "$$VERSION" -o CHANGELOG.md && \
+	git add CHANGELOG.md && \
+	git commit -m "chore(release): $$VERSION" && \
+	git tag -a "$$VERSION" -m "$$VERSION" && \
+	echo "Tagged $$VERSION. Push with: git push origin $$(git rev-parse --abbrev-ref HEAD) $$VERSION"