refactor: add amend commit to fetch and update commands

Signed-off-by: Felix Gateru <felix.gateru@gmail.com>

Author: felixgateru

Makefile

@@ -251,10 +251,16 @@ endif
 fetch_supermq:
 	@git subtree add --prefix=$(SUPERMQ_SUBTREE_DIR) $(SUPERMQ_REMOTE_PATH) main --squash
 	@find $(SUPERMQ_SUBTREE_DIR) -mindepth 1 ! -path 'supermq/docker*' -exec rm -rf {} +
+	@git add $(SUPERMQ_SUBTREE_DIR)
+	@git commit --amend --no-edit
 
 update_supermq:
 	@git subtree pull --prefix=$(SUPERMQ_SUBTREE_DIR) $(SUPERMQ_REMOTE_PATH) main --squash
 	@find $(SUPERMQ_SUBTREE_DIR) -mindepth 1 ! -path 'supermq/docker*' -exec rm -rf {} +
+	@git add $(SUPERMQ_SUBTREE_DIR)
+	@if ! git diff --cached --quiet; then \
+		git commit --amend --no-edit; \
+	fi
 
 run: check_certs
 	docker compose -f docker/docker-compose.yml --env-file docker/.env -p $(DOCKER_PROJECT) $(DOCKER_COMPOSE_COMMAND) $(args)