local fn = vim.fn
local install_path = fn.stdpath('data') .. '/site/pack/packer/start/packer.nvim'
if fn.empty(fn.glob(install_path)) > 0 then
  fn.system({ 'git', 'clone', '--depth=1', 'https://github.com/wbthomason/packer.nvim', install_path })
end