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buildx/util/progress/printer.go

53 lines
1.0 KiB
Go

package progress
import (
"context"
"os"
"github.com/containerd/console"
"github.com/moby/buildkit/client"
"github.com/moby/buildkit/util/progress/progressui"
)
type printer struct {
status chan *client.SolveStatus
done <-chan struct{}
err error
}
func (p *printer) Done() <-chan struct{} {
return p.done
}
func (p *printer) Err() error {
return p.err
}
func (p *printer) Status() chan *client.SolveStatus {
if p == nil {
return nil
}
return p.status
}
func NewPrinter(ctx context.Context, out *os.File, mode string) Writer {
statusCh := make(chan *client.SolveStatus)
doneCh := make(chan struct{})
pw := &printer{
status: statusCh,
done: doneCh,
}
go func() {
var c console.Console
if cons, err := console.ConsoleFromFile(out); err == nil && (mode == "auto" || mode == "tty") {
c = cons
}
// not using shared context to not disrupt display but let is finish reporting errors
pw.err = progressui.DisplaySolveStatus(ctx, "", c, out, statusCh)
close(doneCh)
}()
return pw
}