vs := ValueOf(&xs).Elem()
	shouldPanic("SetLen", func() { vs.SetLen(10) })
	shouldPanic("SetCap", func() { vs.SetCap(10) })
	shouldPanic("SetLen", func() { vs.SetLen(-1) })
	shouldPanic("SetCap", func() { vs.SetCap(-1) })
	shouldPanic("SetCap", func() { vs.SetCap(6) }) // smaller than len
	vs.SetLen(5)
	if len(xs) != 5 || cap(xs) != 8 {
		t.Errorf("after SetLen(5), len, cap = %d, %d, want 5, 8", len(xs), cap(xs))
	}

	{ASETGT, yscond, Pb, opBytes{0x0f, 0x9f, 00}},
	{ASETHI, yscond, Pb, opBytes{0x0f, 0x97, 00}},
	{ASETLE, yscond, Pb, opBytes{0x0f, 0x9e, 00}},
	{ASETLS, yscond, Pb, opBytes{0x0f, 0x96, 00}},
	{ASETLT, yscond, Pb, opBytes{0x0f, 0x9c, 00}},
	{ASETMI, yscond, Pb, opBytes{0x0f, 0x98, 00}},
	{ASETNE, yscond, Pb, opBytes{0x0f, 0x95, 00}},
	{ASETOC, yscond, Pb, opBytes{0x0f, 0x91, 00}},

  local actual_device
  mountpoint="$1"
  actual_device="$2"

  # Trigger udev refresh so that newly formatted devices are propagated in by-uuid
  udevadm control --reload-rules
  udevadm trigger
  udevadm settle

  # find uuid for actual_device
  local myuuid
  myuuid=$(find -L /dev/disk/by-uuid -maxdepth 1 -samefile /dev/"${actual_device}" -printf '%P')
  # myuuid should be the uuid of the device as found in /dev/disk/by-uuid/

	// Stale and StaleReason remain here *only* for the list command.
	// They are only initialized in preparation for list execution.
	// The regular build determines staleness on the fly during action execution.
	Stale       bool   `json:",omitempty"` // would 'go install' do anything for this package?
	StaleReason string `json:",omitempty"` // why is Stale true?

	// Source files