Switch to go mod

vendor/github.com/heroku/docker-registry-client/registry/repositories.go

@@ -0,0 +1,26 @@
+package registry
+
+type repositoriesResponse struct {
+	Repositories []string `json:"repositories"`
+}
+
+func (registry *Registry) Repositories() ([]string, error) {
+	url := registry.url("/v2/_catalog")
+	repos := make([]string, 0, 10)
+	var err error //We create this here, otherwise url will be rescoped with :=
+	var response repositoriesResponse
+	for {
+		registry.Logf("registry.repositories url=%s", url)
+		url, err = registry.getPaginatedJson(url, &response)
+		switch err {
+		case ErrNoMorePages:
+			repos = append(repos, response.Repositories...)
+			return repos, nil
+		case nil:
+			repos = append(repos, response.Repositories...)
+			continue
+		default:
+			return nil, err
+		}
+	}
+}