Imports github.com/docker/docker/pkg/mount github.com/docker/docker/pkg/chrootarchive github.com/docker/docker/pkg/archive github.com/Sirupsen/logrus github.com/vbatts/tar-split/tar/storage github.com/docker/docker/pkg/ioutils github.com/docker/docker/pkg/idtools Standard library imports errors path/filepath strings sync syscall time fmt os