fix: use refrence should after err handles (#2128)

* fix: use refrence should after err handles

* Update pkg/executor/build.go

Co-authored-by: Jason Hall <jason@chainguard.dev>

pkg/executor/build.go

@@ -634,11 +634,10 @@ func DoBuild(opts *config.KanikoOptions) (v1.Image, error) {
 		logrus.Infof("Building stage '%v' [idx: '%v', base-idx: '%v']",
 			stage.BaseName, stage.Index, stage.BaseImageIndex)
 
-		args = sb.args
-
 		if err != nil {
 			return nil, err
 		}
+		args = sb.args
 		if err := sb.build(); err != nil {
 			return nil, errors.Wrap(err, "error building stage")
 		}