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
    packer_bootstrap = fn.system({'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path})
    vim.cmd [[packadd packer.nvim]]
end

packer = require('packer')
packer.init()

packer.use 'https://github.com/wbthomason/packer.nvim'

-- common dependencies which require setup
packer.use {
    'https://github.com/nvim-treesitter/nvim-treesitter',
    run = function()
        require('nvim-treesitter.install').update({ with_sync = true })
    end
}
packer.use {
    'https://github.com/vim-syntastic/syntastic',
    config = function()
	local sl = vim.o.statusline
        sl = sl .. '%#warningmsg#'
        sl = sl .. '%{SyntasticStatuslineFlag()}'
        sl = sl .. '%*'

        vim.g.syntastic_always_populate_loc_list = 1
        vim.g.syntastic_auto_loc_list = 1
        vim.g.syntastic_check_on_open = 1
        vim.g.syntastic_check_on_wq = 0
    end
}

-- compile and install new plugins when lua files in this dir are written
vim.cmd([[
    augroup packer_user_config
        autocmd!
        autocmd User PackerComplete PackerCompile
        autocmd BufWritePost nvim/lua/*.lua source <afile> | PackerInstall
    augroup end
]])