Function IsUnknownRevision

util/gitutil/gitutil.go:130–137

(err error)

}

func IsUnknownRevision(err error) bool {
	if err == nil {
		return false
	}
	// https://github.com/git/git/blob/a6a323b31e2bcbac2518bddec71ea7ad558870eb/setup.c#L204
	errMsg := strings.ToLower(err.Error())
	return strings.Contains(errMsg, "unknown revision or path not in the working tree") || strings.Contains(errMsg, "bad revision")
}