From 1dd4fbf559e515c9141c1cb0308742a9efb10cf3 Mon Sep 17 00:00:00 2001
From: Gil Raphaelli <g@raphaelli.com>
Date: Tue, 13 Nov 2018 17:06:16 -0500
Subject: [PATCH] tag container images with snapshot information (#9063)

---
 dev-tools/mage/dockerbuilder.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dev-tools/mage/dockerbuilder.go b/dev-tools/mage/dockerbuilder.go
index d7c3cc147a7..24baefd1eaf 100644
--- a/dev-tools/mage/dockerbuilder.go
+++ b/dev-tools/mage/dockerbuilder.go
@@ -127,6 +127,10 @@ func (b *dockerBuilder) prepareBuild() error {
 
 func (b *dockerBuilder) dockerBuild() (string, error) {
 	tag := fmt.Sprintf("%s:%s", b.Name, b.Version)
+	if b.Snapshot {
+		tag = tag + "-SNAPSHOT"
+	}
+
 	if repository, _ := b.ExtraVars["repository"]; repository != "" {
 		tag = fmt.Sprintf("%s/%s", repository, tag)
 	}