run_command

def run_command(command)
  Open3.popen3(*command) do |stdin, stdout, stderr, wait_thr|
    stdin.close_write
    files = [stdout, stderr]
    all_eof = lambda { files.all? { |f| f.eof } }
    print_lines = lambda { |buffer, method|
      while pos = buffer.index("\n")
        Log.send method, buffer[0..pos]
        buffer = buffer[(pos + 1)..-1]
      end
      buffer
    }

    stdout_buffer = ''
    stderr_buffer = ''
    until all_eof[] do
      ready = IO.select(files)

      next if !ready or ready[0].empty?

      ready[0].each do |f|
        begin
          data = f.read_nonblock(1024)
          if f == stdout
            stdout_buffer << data
          else
            stderr_buffer << data
          end
        rescue EOFError => e
        end
      end

      stdout_buffer = print_lines[stdout_buffer, 'info']
      stderr_buffer = print_lines[stderr_buffer, 'err']
    end

    wait_thr.value
  end
end