Function writeWithCarriageReturn

agent/agentssh/agentssh.go:1337–1349

writeWithCarriageReturn writes each line with a carriage return to ensure that each line starts at the beginning of the terminal.

(src io.Reader, dest io.Writer)

// writeWithCarriageReturn writes each line with a carriage return to ensure
// that each line starts at the beginning of the terminal.
func writeWithCarriageReturn(src io.Reader, dest io.Writer) error {
	s := bufio.NewScanner(src)
	for s.Scan() {
		_, err := fmt.Fprint(dest, s.Text()+"\r\n")
		if err != nil {
			return xerrors.Errorf("write line: %w", err)
		}
	}
	if err := s.Err(); err != nil {
		return xerrors.Errorf("read line: %w", err)
	}
	return nil
}

// userHomeDir returns the home directory of the current user, giving
// priority to the $HOME environment variable.