func copyFile(mach platform.Machine, r io.Reader, path string) error {
sess, err := mach.SSHSession()
if err != nil {
return err
}
defer sess.Close()
wr, err := sess.StdinPipe()
if err != nil {
return err
}
if err := sess.Start(fmt.Sprintf("tee %s", path)); err != nil {
return err
}
go func() {
io.Copy(wr, r)
wr.Close()
}()
return sess.Wait()
}
