prow/cmd/mkbuild-cluster/main.go
func getAccount() (string, error) {
	args, cmd := command("gcloud", "config", "get-value", "core/account")
	b, err := cmd.Output()
	if err != nil {
		return "", fmt.Errorf("%s: %v", strings.Join(args, " "), err)
	}
	return strings.TrimSpace(string(b)), nil
}
func getAccount() (string, error) {
	args, cmd := command("gcloud", "config", "get-value", "core/account")
	b, err := cmd.Output()
	if err != nil {
		return "", fmt.Errorf("%s: %v", strings.Join(args, " "), err)
	}
	return strings.TrimSpace(string(b)), nil
}
// getAccount returns gcloud config get-value core/account