fix addLatestTagSuffix

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

Author: jessfraz

build.go

@@ -78,7 +78,7 @@ func (cmd *buildCommand) Run(args []string) (err error) {
 	}
 
 	// Add the latest lag if they did not provide one.
-	addLatestTagSuffix(cmd.tag)
+	cmd.tag = addLatestTagSuffix(cmd.tag)
 
 	// Create the context.
 	ctx := appcontext.Context()

push.go

@@ -37,7 +37,7 @@ func (cmd *pushCommand) Run(args []string) (err error) {
 	// Get the specified image.
 	cmd.image = args[0]
 	// Add the latest lag if they did not provide one.
-	addLatestTagSuffix(cmd.image)
+	cmd.image = addLatestTagSuffix(cmd.image)
 
 	// Create the context.
 	ctx := appcontext.Context()

tag.go

@@ -40,8 +40,8 @@ func (cmd *tagCommand) Run(args []string) (err error) {
 	cmd.image = args[0]
 	cmd.target = args[1]
 	// Add the latest lag if they did not provide one.
-	addLatestTagSuffix(cmd.image)
-	addLatestTagSuffix(cmd.target)
+	cmd.image = addLatestTagSuffix(cmd.image)
+	cmd.target = addLatestTagSuffix(cmd.target)
 
 	// Create the context.
 	ctx := appcontext.Context()