| archive/tar | Package tar implements access to tar archives. |
| bufio | Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
| bytes | Package bytes implements functions for the manipulation of byte slices. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/docker/docker/builder/remotecontext/git | |
| github.com/docker/docker/pkg/ioutils | |
| github.com/docker/docker/pkg/progress | |
| github.com/docker/docker/pkg/streamformatter | Package streamformatter provides helper functions to format a stream. |
| github.com/docker/docker/pkg/stringid | Package stringid provides helper functions for dealing with string identifiers |
| github.com/moby/go-archive | Package archive provides helper functions for dealing with archive files. |
| github.com/moby/go-archive/compression | |
| github.com/moby/patternmatcher | |
| github.com/moby/patternmatcher/ignorefile | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| io | Package io provides basic interfaces to I/O primitives. |
| net/http | Package http provides HTTP client and server implementations. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| os/exec | Package exec runs external commands. |
| 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. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |