Function OS

version/prop.go:41–58

OS returns runtime.GOOS, except instead of returning "darwin" it returns "iOS" or "macOS".

()

// OS returns runtime.GOOS, except instead of returning "darwin" it returns
// "iOS" or "macOS".
func OS() string {
	// If you're wondering why we have this function that just returns
	// runtime.GOOS written differently: in the old days, Go reported
	// GOOS=darwin for both iOS and macOS, so we needed this function to
	// differentiate them. Then a later Go release added GOOS=ios as a separate
	// platform, but by then the "iOS" and "macOS" values we'd picked, with that
	// exact capitalization, were already baked into databases.
	if IsAppleTV() {
		return "tvOS"
	}
	if runtime.GOOS == "ios" {
		return "iOS"
	}
	if runtime.GOOS == "darwin" {
		return "macOS"
	}
	return runtime.GOOS
}

// IsMacGUIVariant reports whether runtime.GOOS=="darwin" and this one of the
// two GUI variants (that is, not tailscaled-on-macOS).