code: func Summary() string {
  	if Version != "" && GitInfo != "" {
  		return Version + ", " + GitInfo
  	}
  	if GitInfo != "" {
  		return GitInfo
  	}
  	if Version != "" {
  		return Version
  	}
  	return "unknown"
  }
docs: // Summary returns the version and/or git version of this binary.
  // If the linker flags were not provided, the return value is "unknown".