Imports of package sourcepolicy

PathSynopsis
contextPackage 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/solver/pb
github.com/moby/buildkit/sourcepolicy/pb
github.com/moby/buildkit/util/bklog
github.com/moby/buildkit/util/wildcard
github.com/pkg/errorsPackage errors provides simple error handling primitives.
github.com/sirupsen/logrusPackage logrus is a structured logger for Go, completely API compatible with the standard library logger.
regexpPackage regexp implements regular expression search.