update CHANGELOG

CHANGELOG.md

@@ -27,6 +27,7 @@ BUG FIXES:
       AWS for spot instance. [GH-2017]
   * builder/amazon: Private key file (only available in debug mode)
       is deleted on cleanup. [GH-1801]
+  * builder/amazon: AMI copy won't copy to the source region [GH-2123]
   * builder/amazon/chroot: Retry waiting for disk attachments [GH-2046]
   * builder/amazon/instance: Use `-i` in sudo commands so PATH is inherited. [GH-1930]
   * builder/digitalocean: Ignore invalid fields from the ever-changing v2 API

builder/amazon/common/step_ami_region_copy.go

@@ -33,9 +33,9 @@ func (s *StepAMIRegionCopy) Run(state multistep.StateBag) multistep.StepAction {
 	var wg sync.WaitGroup
 	errs := new(packer.MultiError)
 	for _, region := range s.Regions {
-
 		if region == ec2conn.Config.Region {
-			ui.Message(fmt.Sprintf("Avoid copying AMI (%s) to %s", ec2conn.Config.Region, region))
+			ui.Message(fmt.Sprintf(
+				"Avoid copying AMI to duplicate region %s", region))
 			continue
 		}