build: update monorepo makefile targets (#34)

Makefile

@@ -1,17 +1,6 @@
 .PHONY: test
 test: composer-dump composer-validate phpstan psalm phpunit
 
-.PHONY: monorepo
-monorepo: validate merge
-
-.PHONY: merge
-merge:
-	vendor/bin/monorepo-builder merge
-
-.PHONY: validate
-validate:
-	vendor/bin/monorepo-builder validate
-
 .PHONY: phpstan
 phpstan:
 	vendor/bin/phpstan analyse
@@ -45,3 +34,23 @@ tools/php-cs-fixer:
 rector:
 	$(PHP) vendor/bin/rector process > rector.log
 	make php-cs-fixer
+
+.PHONY: monorepo
+monorepo: monorepo-validate monorepo-merge
+
+.PHONY: monorepo-validate
+monorepo-validate:
+	vendor/bin/monorepo-builder validate
+
+.PHONY: monorepo-merge
+monorepo-merge:
+	$(PHP) vendor/bin/monorepo-builder merge
+
+.PHONY: monorepo-release-%
+monorepo-release-%:
+	git update-index --really-refresh > /dev/null; git diff-index --quiet HEAD || (echo "Working directory is not clean, aborting" && exit 1)
+	[ $$(git branch --show-current) == main ] || (echo "Not on main branch, aborting" && exit 1)
+	$(PHP) vendor/bin/monorepo-builder release $*
+	git switch -c release/$*
+	git add .
+	git commit -m "release: $*"