From 17d7ea7876afd037bb9ea870ae058f603ddf89ad Mon Sep 17 00:00:00 2001
From: Steve Kriss <krisss@vmware.com>
Date: Thu, 27 Feb 2020 10:05:56 -0700
Subject: [PATCH] add modules & verify-modules make targets

Signed-off-by: Steve Kriss <krisss@vmware.com>
---
 Makefile | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index e5e5ecda9..66a5a6d10 100644
--- a/Makefile
+++ b/Makefile
@@ -226,7 +226,17 @@ clean:
 	rm -rf .go _output
 	docker rmi $(BUILDER_IMAGE)
 
-ci: all verify test
+.PHONY: modules
+modules:
+	go mod tidy
+
+.PHONY: verify-modules
+verify-modules: modules
+	@if !(git diff --quiet HEAD -- go.sum go.mod); then \
+		echo "go module files are out of date, please commit the changes to go.mod and go.sum"; exit 1; \
+	fi
+
+ci: verify-modules verify all test
 
 changelog:
 	hack/changelog.sh