add dtk-container-toolkit

internal/discover/none.go

+/**
+# Copyright (c) 2024, HCUOpt CORPORATION.  All rights reserved.
+**/
+
+package discover
+
+// None is a null discoverer that returns an empty list of devices and
+// mounts.
+type None struct{}
+
+var _ Discover = (*None)(nil)
+
+// Devices returns an empty list of devices
+func (e None) Devices() ([]Device, error) {
+	return []Device{}, nil
+}
+
+// Mounts returns an empty list of mounts
+func (e None) Mounts() ([]Mount, error) {
+	return []Mount{}, nil
+}
+
+// Hooks returns an empty list of hooks
+func (e None) Hooks() ([]Hook, error) {
+	return []Hook{}, nil
+}
+
+// AdditionalGIDs return an empty list of additionalGIDs
+func (e None) AdditionalGIDs() ([]uint32, error) {
+	return []uint32{}, nil
+}