clean up formatting and add warning to packer push.

command/push.go

@@ -177,6 +177,15 @@ func (c *PushCommand) Run(args []string) int {
 	uploadOpts.Builds = make(map[string]*uploadBuildInfo)
 	for _, b := range tpl.Builders {
 		info := &uploadBuildInfo{Type: b.Type}
+		// todo: remove post-migration
+		if b.Type == "vagrant" {
+			c.Ui.Message("\n-----------------------------------------------------------------------------------\n" +
+				"Warning: Vagrant-related functionality will be moved from Terraform Enterprise into \n" +
+				"its own product, Vagrant Cloud. This migration is currently planned for June 27th, \n" +
+				"2017 at 6PM EDT/3PM PDT/10PM UTC. For more information see \n" +
+				"https://www.vagrantup.com/docs/vagrant-cloud/vagrant-cloud-migration.html\n" +
+				"-----------------------------------------------------------------------------------\n")
+		}
 
 		// Determine if we're artifacting this build
 		for _, pp := range atlasPPs {

post-processor/atlas/post-processor.go

@@ -145,9 +145,9 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 	// todo: remove/reword after the migration
 	if p.config.Type == "vagrant.box" {
 		ui.Message("\n-----------------------------------------------------------------------------------\n" +
-			"Warning: Vagrant-related functionality will be moved from Terraform Enterprise into " +
-			"its own product, Vagrant Cloud. This migration is currently planned for June 27th, " +
-			"2017 at 6PM EDT/3PM PDT/10PM UTC. For more information see " +
+			"Warning: Vagrant-related functionality will be moved from Terraform Enterprise into \n" +
+			"its own product, Vagrant Cloud. This migration is currently planned for June 27th, \n" +
+			"2017 at 6PM EDT/3PM PDT/10PM UTC. For more information see \n" +
 			"https://www.vagrantup.com/docs/vagrant-cloud/vagrant-cloud-migration.html\n" +
 			"-----------------------------------------------------------------------------------\n")
 	}