Manage name changes (prefix/suffix) via YAML annotations rather than via in-memory-only fields.

plugin/builtin/hashtransformer/HashTransformer.go

@@ -32,6 +32,7 @@ func (p *plugin) Transform(m resmap.ResMap) error {
 			if err != nil {
 				return err
 			}
+			res.SetOriginalName(res.GetName(), false)
 			res.SetName(fmt.Sprintf("%s-%s", res.GetName(), h))
 		}
 	}

plugin/builtin/hashtransformer/HashTransformer_test.go

@@ -53,7 +53,7 @@ spec:
         image: nginx:1.7.9
 `)
 
-	th.AssertActualEqualsExpected(rm, `
+	th.AssertActualEqualsExpectedNoIdAnnotations(rm, `
 apiVersion: v1
 kind: ConfigMap
 metadata: