module RuboCop::Server::Helper

def self.redirect(stdin: $stdin, stdout: $stdout, stderr: $stderr, &_block)
  old_stdin = $stdin.dup
  old_stdout = $stdout.dup
  old_stderr = $stderr.dup
  $stdin = stdin
  $stdout = stdout
  $stderr = stderr
  yield
ensure
  $stdin = old_stdin
  $stdout = old_stdout
  $stderr = old_stderr
end