// Override overrides the values in readline.Config that need to be
// set with wrapped values.
func Override(cfg *readline.Config) *readline.Config {
cfg.Stdin = wrappedstreams.Stdin()
cfg.Stdout = wrappedstreams.Stdout()
cfg.Stderr = wrappedstreams.Stderr()
cfg.FuncGetWidth = TerminalWidth
cfg.FuncIsTerminal = IsTerminal
rm := RawMode{StdinFd: int(wrappedstreams.Stdin().Fd())}
cfg.FuncMakeRaw = rm.Enter
cfg.FuncExitRaw = rm.Exit
return cfg
}
// StdinPiped returns true if the input is piped.
func (m *Meta) StdinPiped() bool {
fi, err := wrappedstreams.Stdin().Stat()
if err != nil {
// If there is an error, let's just say its not piped
return false
}
return fi.Mode()&os.ModeNamedPipe != 0
}
// IsTerminal determines if this process is attached to a TTY.
func IsTerminal() bool {
// Windows is always a terminal
if runtime.GOOS == "windows" {
return true
}
// Same implementation as readline but with our custom fds
return readline.IsTerminal(int(wrappedstreams.Stdin().Fd())) &&
(readline.IsTerminal(int(wrappedstreams.Stdout().Fd())) ||
readline.IsTerminal(int(wrappedstreams.Stderr().Fd())))
}
func (c *ConsoleCommand) modePiped(session *repl.Session, ui cli.Ui) int {
var lastResult string
scanner := bufio.NewScanner(wrappedstreams.Stdin())
for scanner.Scan() {
// Handle it. If there is an error exit immediately
result, err := session.Handle(strings.TrimSpace(scanner.Text()))
if err != nil {
ui.Error(err.Error())
return 1
}
// Store the last result
lastResult = result
}
// Output the final result
ui.Output(lastResult)
return 0
}