func progressBarForReader(out io.Writer, r io.Reader, l int64) (*pb.ProgressBar, io.Reader) {
// setup bar reader
// TODO: get total length of files
bar := pb.New64(l).SetUnits(pb.U_BYTES)
bar.Output = out
// the progress bar lib doesn't give us a way to get the width of the output,
// so as a hack we just use a callback to measure the output, then git rid of it
bar.Callback = func(line string) {
terminalWidth := len(line)
bar.Callback = nil
log.Infof("terminal width: %v\n", terminalWidth)
}
barR := bar.NewProxyReader(r)
return bar, &clearlineReader{barR, out}
}
if err != nil {
res.SetError(u.ErrCast(), cmds.ErrNormal)
return
}
size := int64(0)
s, found := req.Values()["size"]
if found {
size = s.(int64)
}
showProgressBar := !quiet && size >= progressBarMinSize
var bar *pb.ProgressBar
var terminalWidth int
if showProgressBar {
bar = pb.New64(size).SetUnits(pb.U_BYTES)
bar.ManualUpdate = true
bar.Start()
// the progress bar lib doesn't give us a way to get the width of the output,
// so as a hack we just use a callback to measure the output, then git rid of it
terminalWidth = 0
bar.Callback = func(line string) {
terminalWidth = len(line)
bar.Callback = nil
bar.Output = res.Stderr()
log.Infof("terminal width: %v\n", terminalWidth)
}
bar.Update()
}
if err != nil {
res.SetError(u.ErrCast(), cmds.ErrNormal)
return
}
var showProgressBar bool
if prgFound {
showProgressBar = progress
} else if !quiet && !silent {
showProgressBar = true
}
var bar *pb.ProgressBar
var terminalWidth int
if showProgressBar {
bar = pb.New64(0).SetUnits(pb.U_BYTES)
bar.ManualUpdate = true
bar.Start()
// the progress bar lib doesn't give us a way to get the width of the output,
// so as a hack we just use a callback to measure the output, then git rid of it
terminalWidth = 0
bar.Callback = func(line string) {
terminalWidth = len(line)
bar.Callback = nil
bar.Output = res.Stderr()
log.Infof("terminal width: %v\n", terminalWidth)
}
bar.Update()
}