func (a *Driver) Changes(id string) ([]archive.Change, error) {
layers, err := a.getParentLayerPaths(id)
if err != nil {
return nil, err
}
return archive.Changes(layers, path.Join(a.rootPath(), "diff", id))
}
// Changes produces a list of changes between the specified layer
// and its parent layer. If parent is "", then all changes will be ADD changes.
func (a *Driver) Changes(id, parent string) ([]archive.Change, error) {
// AUFS doesn't have snapshots, so we need to get changes from all parent
// layers.
layers, err := a.getParentLayerPaths(id)
if err != nil {
return nil, err
}
return archive.Changes(layers, path.Join(a.rootPath(), "diff", id))
}