style: rm unneeded type assertions

client/registry.go

@@ -34,7 +34,7 @@ func GetRegistryTags(image string) (RawTags, error) {
 
 // getRegv2Token retrieves a registry v2 authentication token.
 func getRegv2Token(image reference.Named) (string, error) {
-	img := reference.Path(image.(reference.Named))
+	img := reference.Path(image)
 	authTokenURL := fmt.Sprintf("https://auth.docker.io/token?service=registry.docker.io&scope=repository:%s:pull", img)
 	req, err := http.NewRequest("GET", authTokenURL, nil)
 	if err != nil {
@@ -75,7 +75,7 @@ func getRegv2Token(image reference.Named) (string, error) {
 
 // GetTagDigest retrieves an image digest from a v2 registry
 func GetTagDigest(image reference.Named) (string, error) {
-	img := reference.Path(image.(reference.Named))
+	img := reference.Path(image)
 	tag := image.(reference.NamedTagged).Tag()
 	manifestURL := fmt.Sprintf("https://index.docker.io/v2/%s/manifests/%s", img, tag)
 

config/app.go

@@ -268,7 +268,7 @@ func UpdateAppComposeTag(recipe, image, tag string) error {
 				logrus.Fatal(err)
 			}
 
-			composeImage := reference.Path(img.(reference.Named))
+			composeImage := reference.Path(img)
 			if strings.Contains(composeImage, "library") {
 				// ParseNormalizedNamed prepends 'library' to images like nginx:<tag>,
 				// postgres:<tag>, i.e. images which do not have a username in the