| archive/tar | Package tar implements access to tar archives. |
| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| crypto/sha256 | Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/containerd/continuity/sysx | |
| github.com/docker/docker/pkg/locker | |
| github.com/gogo/protobuf/gogoproto | Package gogoproto provides extensions for protocol buffers to achieve: |
| github.com/gogo/protobuf/proto | Package proto converts data structures to and from the wire format of protocol buffers. |
| github.com/hashicorp/go-immutable-radix | |
| github.com/hashicorp/golang-lru/simplelru | Package simplelru provides simple LRU implementation based on build-in container/list. |
| github.com/moby/buildkit/cache | |
| github.com/moby/buildkit/cache/metadata | |
| github.com/moby/buildkit/snapshot | |
| github.com/opencontainers/go-digest | Package digest provides a generalized type to opaquely represent message digests and their operations within the registry. |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| github.com/tonistiigi/fsutil | |
| github.com/tonistiigi/fsutil/types | |
| golang.org/x/sys/unix | |
| hash | Package hash provides interfaces for hash functions. |
| io | Package io provides basic interfaces to I/O primitives. |
| math | Package math provides basic constants and mathematical functions. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| syscall | Package syscall contains an interface to the low-level operating system primitives. |
| time | Package time provides functionality for measuring and displaying time. |