1 files changed, 2 insertions, 0 deletions
diff --git a/hst/fs.go b/hst/fs.go
index cb35f925..2f2c377c 100644
--- a/hst/fs.go
+++ b/hst/fs.go
@@ -37,6 +37,8 @@ type Ops interface {
 	Bind(source, target *check.Absolute, flags int) Ops
 	// Overlay appends an op that mounts the overlay pseudo filesystem.
 	Overlay(target, state, work *check.Absolute, layers ...*check.Absolute) Ops
+	// OverlayEphemeral appends a MountOverlayOp with an ephemeral upperdir and workdir.
+	OverlayEphemeral(target *check.Absolute, layers ...*check.Absolute) Ops
 	// OverlayReadonly appends an op that mounts the overlay pseudo filesystem readonly.
 	OverlayReadonly(target *check.Absolute, layers ...*check.Absolute) Ops