ensure mount in commit
diff --git a/builder.go b/builder.go
index ab07233..420370b 100644
--- a/builder.go
+++ b/builder.go
@@ -124,6 +124,10 @@
func (builder *Builder) Commit(container *Container, repository, tag, comment, author string, config *Config) (*Image, error) {
// FIXME: freeze the container before copying it to avoid data corruption?
// FIXME: this shouldn't be in commands.
+ if err := container.EnsureMounted(); err != nil {
+ return nil, err
+ }
+
rwTar, err := container.ExportRw()
if err != nil {
return nil, err
