1 files changed, 34 insertions, 7 deletions
diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go
index dcc2d5aa6..807a9ad8f 100644
--- a/pkg/adapter/runtime_remote.go
+++ b/pkg/adapter/runtime_remote.go
@@ -82,6 +82,7 @@ type remoteImage struct {
 	Digest      digest.Digest
 	isParent    bool
 	Runtime     *LocalRuntime
+	TopLayer    string
 }
 
 // Container ...
@@ -147,6 +148,7 @@ func imageInListToContainerImage(i iopodman.Image, name string, runtime *LocalRu
 		Names:       i.RepoTags,
 		isParent:    i.IsParent,
 		Runtime:     runtime,
+		TopLayer:    i.TopLayer,
 	}
 	return &ContainerImage{ri}, nil
 }
@@ -280,6 +282,11 @@ func (ci *ContainerImage) Dangling() bool {
 	return len(ci.Names()) == 0
 }
 
+// TopLayer returns an images top layer as a string
+func (ci *ContainerImage) TopLayer() string {
+	return ci.remoteImage.TopLayer
+}
+
 // TagImage ...
 func (ci *ContainerImage) TagImage(tag string) error {
 	_, err := iopodman.TagImage().Call(ci.Runtime.Conn, ci.ID(), tag)
@@ -755,13 +762,6 @@ func (r *LocalRuntime) HealthCheck(c *cliconfig.HealthCheckValues) (libpod.Healt
 	return -1, libpod.ErrNotImplemented
 }
 
-// JoinOrCreateRootlessPod joins the specified pod if it is running or it creates a new user namespace
-// if the pod is stopped
-func (r *LocalRuntime) JoinOrCreateRootlessPod(pod *Pod) (bool, int, error) {
-	// Nothing to do in the remote case
-	return true, 0, nil
-}
-
 // Events monitors libpod/podman events over a varlink connection
 func (r *LocalRuntime) Events(c *cliconfig.EventValues) error {
 	var more uint64
@@ -831,3 +831,30 @@ func (r *LocalRuntime) Events(c *cliconfig.EventValues) error {
 	}
 	return nil
 }
+
+// Diff ...
+func (r *LocalRuntime) Diff(c *cliconfig.DiffValues, to string) ([]archive.Change, error) {
+	var changes []archive.Change
+	reply, err := iopodman.Diff().Call(r.Conn, to)
+	if err != nil {
+		return nil, err
+	}
+	for _, change := range reply {
+		changes = append(changes, archive.Change{Path: change.Path, Kind: stringToChangeType(change.ChangeType)})
+	}
+	return changes, nil
+}
+
+func stringToChangeType(change string) archive.ChangeType {
+	switch change {
+	case "A":
+		return archive.ChangeAdd
+	case "D":
+		return archive.ChangeDelete
+	default:
+		logrus.Errorf("'%s' is unknown archive type", change)
+		fallthrough
+	case "C":
+		return archive.ChangeModify
+	}
+}