DockerCLI/vendor/github.com/moby/buildkit/solver/errdefs/exit.go

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package errdefs
import "fmt"
const (
// ContainerdUnknownExitStatus is returned when containerd is unable to
// determine the exit status of a process. This can happen if the process never starts
// or if an error was encountered when obtaining the exit status, it is set to 255.
//
// This const is defined here to prevent importing github.com/containerd/containerd
// and corresponds with https://github.com/containerd/containerd/blob/40b22ef0741028917761d8c5d5d29e0d19038836/task.go#L52-L55
ContainerdUnknownExitStatus = 255
)
// ExitError will be returned when the container process exits with a non-zero
// exit code.
type ExitError struct {
ExitCode uint32
Err error
}
func (err *ExitError) Error() string {
if err.Err != nil {
return err.Err.Error()
}
return fmt.Sprintf("exit code: %d", err.ExitCode)
}
func (err *ExitError) Unwrap() error {
if err.Err == nil {
return fmt.Errorf("exit code: %d", err.ExitCode)
}
return err.Err
}