| archive/tar | Package tar implements access to tar archives. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/containerd/continuity/driver | |
| github.com/containerd/continuity/pathdriver | |
| github.com/docker/docker/pkg/archive | Package archive provides helper functions for dealing with archive files. |
| github.com/docker/docker/pkg/idtools | |
| github.com/docker/docker/pkg/symlink | |
| github.com/docker/docker/pkg/system | |
| github.com/sirupsen/logrus | Package logrus is a structured logger for Go, completely API compatible with the standard library logger. |
| io | Package io provides basic interfaces to I/O primitives. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |