Function Wrap

util/progress/progress.go:19–48

(name string, l Logger, fn func(SubLogger) error)

}

func Wrap(name string, l Logger, fn func(SubLogger) error) (err error) {
	dgst := digest.FromBytes([]byte(identity.NewID()))
	tm := time.Now()
	l(&client.SolveStatus{
		Vertexes: []*client.Vertex{{
			Digest:  dgst,
			Name:    name,
			Started: &tm,
		}},
	})

	defer func() {
		tm2 := time.Now()
		errMsg := ""
		if err != nil {
			errMsg = err.Error()
		}
		l(&client.SolveStatus{
			Vertexes: []*client.Vertex{{
				Digest:    dgst,
				Name:      name,
				Started:   &tm,
				Completed: &tm2,
				Error:     errMsg,
			}},
		})
	}()

	return fn(&subLogger{dgst, l})
}

type subLogger struct {
	dgst   digest.Digest