]


class UserInputError(Exception):
  pass


def is_windows():
  return platform.system() == 'Windows'


def is_linux():
  return platform.system() == 'Linux'


def is_macos():
  return platform.system() == 'Darwin'


def is_ppc64le():
  return platform.machine() == 'ppc64le'


def is_s390x():
  return platform.machine() == 's390x'


def is_cygwin():

            dependencies {
                val extension = when {
                    BuildEnvironment.isWindows -> "windows.zip"
                    BuildEnvironment.isMacOsX && BuildEnvironment.isIntel -> "mac.zip"
                    BuildEnvironment.isMacOsX && !BuildEnvironment.isIntel -> "mac_arm.zip"
                    BuildEnvironment.isLinux -> "linux.tar.gz"

        } else if (isMacOS()) {
            return new String[]{"ps", "x", "-o", "pid,command"};
        } else {
            return new String[]{"ps", "x", "-o", "pid,cmd"};
        }
    }

    private static boolean isWindows() {
        return System.getProperty("os.name").toLowerCase().contains("windows");
    }

    private static boolean isMacOS() {

    val javaVersion = JavaVersion.current()
    val isWindows = OperatingSystem.current().isWindows
    val isLinux = OperatingSystem.current().isLinux
    val isMacOsX = OperatingSystem.current().isMacOsX
    val isIntel: Boolean = architecture == "x86_64" || architecture == "x86"
    val isSlowInternetConnection
        get() = System.getProperty("slow.internet.connection", "false")!!.toBoolean()

                        OperatingSystem.current().isWindows -> requirements = listOf("os=windows", "gbt-dogfooding")
                        OperatingSystem.current().isMacOsX -> requirements = listOf("os=macos", "gbt-dogfooding")
                    }
                } else {
                    requirements = listOf("gbt-dogfooding")
                }
            }
        }