version

var (
	Name = valueOrFallback(name, func() string { return "berglas" })

	Version = valueOrFallback(version, func() string {
		if info, ok := debug.ReadBuildInfo(); ok {
			if v := info.Main.Version; v != "" {
				return v
			}
		}

		return "source"
	})

	Commit = valueOrFallback(commit, func() string {
		if info, ok := debug.ReadBuildInfo(); ok {
			for _, setting := range info.Settings {
				if setting.Key == "vcs.revision" {
					return setting.Value
				}
			}
		}

		return "HEAD"
	})

	// OSArch is the operating system and architecture combination.
	OSArch = runtime.GOOS + "/" + runtime.GOARCH

	// HumanVersion is the compiled version.
	HumanVersion = Name + " " + Version + " (" + Commit + ", " + OSArch + ")"

	UserAgent = valueOrFallback(userAgent, func() string {
		return Name + "/" + Version + " (+https://github.com/GoogleCloudPlatform/berglas)"
	})
)