| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| github.com/moby/buildkit/identity | |
| github.com/moby/buildkit/util/testutil/integration | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| os/exec | Package exec runs external commands. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |