File: reset.go

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package progresswriter

import (
	"time"

	"github.com/moby/buildkit/client"
)

func ResetTime(in Writer) Writer {
	w := &pw{Writer: in, status: make(chan *client.SolveStatus), tm: time.Now()}
	go func() {
		for {
			select {
			case <-in.Done():
				return
			case st, ok := <-w.status:
				if !ok {
					close(in.Status())
					return
				}
				if w.diff == nil {
					for _, v := range st.Vertexes {
						if v.Started != nil {
							d := v.Started.Sub(w.tm)
							w.diff = &d
						}
					}
				}
				if w.diff != nil {
					vertexes := make([]*client.Vertex, 0, len(st.Vertexes))
					for _, v := range st.Vertexes {
						v := *v
						if v.Started != nil {
							d := v.Started.Add(-*w.diff)
							v.Started = &d
						}
						if v.Completed != nil {
							d := v.Completed.Add(-*w.diff)
							v.Completed = &d
						}
						vertexes = append(vertexes, &v)
					}

					statuses := make([]*client.VertexStatus, 0, len(st.Statuses))
					for _, v := range st.Statuses {
						v := *v
						if v.Started != nil {
							d := v.Started.Add(-*w.diff)
							v.Started = &d
						}
						if v.Completed != nil {
							d := v.Completed.Add(-*w.diff)
							v.Completed = &d
						}
						v.Timestamp = v.Timestamp.Add(-*w.diff)
						statuses = append(statuses, &v)
					}

					logs := make([]*client.VertexLog, 0, len(st.Logs))
					for _, v := range st.Logs {
						v := *v
						v.Timestamp = v.Timestamp.Add(-*w.diff)
						logs = append(logs, &v)
					}

					st = &client.SolveStatus{
						Vertexes: vertexes,
						Statuses: statuses,
						Logs:     logs,
						Warnings: st.Warnings,
					}
				}
				in.Status() <- st
			}
		}
	}()
	return w
}

type pw struct {
	Writer
	tm     time.Time
	diff   *time.Duration
	status chan *client.SolveStatus
}

func (p *pw) Status() chan *client.SolveStatus {
	return p.status
}