From 941ba8947e748436aafb9d59a48faf348075dee3 Mon Sep 17 00:00:00 2001
From: "Hongli Lai (Phusion)" <hongli@phusion.nl>
Date: Tue, 12 Nov 2013 17:55:35 +0100
Subject: [PATCH] 'make release' should warn if main image not yet build

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 2c37491..d454f4c 100644
--- a/Makefile
+++ b/Makefile
@@ -12,5 +12,6 @@ tag_latest:
 	docker tag $(NAME):$(VERSION) $(NAME):latest
 
 release: tag_latest
+	@if ! docker images phusion/baseimage | awk '{ print $$2 }' | grep -q -F $(VERSION); then echo "$(NAME) version $(VERSION) is not yet built. Please run 'make build'"; false; fi
 	docker push $(NAME)
 	@echo "*** Don't forget to create a tag. git tag rel-$(VERSION) && git push origin rel-$(VERSION)"