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package dockerutil
import (
"encoding/json"
"io"
"time"
"github.com/docker/buildx/util/progress"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/moby/buildkit/client"
)
const minTimeDelta = 2 * time.Second
func fromReader(l progress.SubLogger, rc io.ReadCloser) error {
started := map[string]client.VertexStatus{}
defer func() {
for _, st := range started {
st := st
if st.Completed == nil {
now := time.Now()
st.Completed = &now
l.SetStatus(&st)
}
}
}()
dec := json.NewDecoder(rc)
var parsedErr error
var jm jsonmessage.JSONMessage
for {
if err := dec.Decode(&jm); err != nil {
if parsedErr != nil {
return parsedErr
}
if err == io.EOF {
break
}
return err
}
if jm.Error != nil {
parsedErr = jm.Error
}
if jm.ID == "" || jm.Progress == nil {
continue
}
id := "loading layer " + jm.ID
st, ok := started[id]
if !ok {
now := time.Now()
st = client.VertexStatus{
ID: id,
Started: &now,
}
}
timeDelta := time.Now().Sub(st.Timestamp)
if timeDelta < minTimeDelta {
continue
}
st.Timestamp = time.Now()
if jm.Status == "Loading layer" {
st.Current = jm.Progress.Current
st.Total = jm.Progress.Total
}
if jm.Error != nil {
now := time.Now()
st.Completed = &now
}
started[id] = st
l.SetStatus(&st)
}
return nil
}
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