GitUI.FormSettings.CheckIfFileIsInPath C# (CSharp) Метод

        public static bool CheckIfFileIsInPath(string fileName)
        {
            string path = string.Concat(Environment.GetEnvironmentVariable("path", EnvironmentVariableTarget.User), ";", Environment.GetEnvironmentVariable("path", EnvironmentVariableTarget.Machine));

            foreach (string dir in path.Split(';'))
            {
                if (File.Exists(dir + " \\" + fileName) || File.Exists(dir + fileName))
                    return true;
            }

            return false;
        }