Fix regiression from #3403 with snapshot cmd

crosbymichael · crosbymichael · commit ce0d2489acdc · 2019-07-16T19:24:24.000Z
The snapshot command calls the snapshotter service directly, therefore,
the name must be resolved.

Signed-off-by: Michael Crosby &lt;crosbymichael@gmail.com&gt;
diff --git a/client.go b/client.go
@@ -557,6 +557,10 @@ func (c *Client) ContentStore() content.Store {
 
 // SnapshotService returns the underlying snapshotter for the provided snapshotter name
 func (c *Client) SnapshotService(snapshotterName string) snapshots.Snapshotter {
+	snapshotterName, err := c.resolveSnapshotterName(context.Background(), snapshotterName)
+	if err != nil {
+		snapshotterName = DefaultSnapshotter
+	}
 	if c.snapshotters != nil {
 		return c.snapshotters[snapshotterName]
 	}
