snapshot: wrap mount err

Signed-off-by: Akihiro Suda <[email protected]>
moby · Jun 2, 2018 · 1269bc5 · 1269bc5
1 parent 33d54ee
commit 1269bc5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/snapshot/localmounter.go b/snapshot/localmounter.go
@@ -65,7 +65,7 @@ func (lm *localMounter) Mount() (string, error) {
 
 	if err := mount.All(lm.mounts, dir); err != nil {
 		os.RemoveAll(dir)
-		return "", err
+		return "", errors.Wrapf(err, "failed to mount %s: %+v", dir, lm.mounts)
 	}
 	lm.target = dir
 	return dir, nil