my-nvim-setup/lua/packerInit.lua

local packer
if
    not pcall(
        function()
            packer = require "packer"
        end
    )
 then
    local packer_path = vim.fn.stdpath("data") .. "/site/pack/packer/start/packer.nvim"

    print("Cloning packer..")
    -- remove the dir before cloning
    vim.fn.delete(packer_path, "rf")
    vim.fn.system(
        {
            "git",
            "clone",
            "https://github.com/wbthomason/packer.nvim",
            "--depth",
            "20",
            packer_path
        }
    )
    if pcall(
            function()
                packer = require "packer"
            end
        )
     then
        print("Packer cloned successfully.")
    else
        error("Couldn't clone packer !\nPacker path: " .. packer_path)
    end
end

return packer.init {
    display = {
        open_fn = function()
            return require("packer.util").float {border = "single"}
        end
    },
    git = {
        clone_timeout = 600 -- Timeout, in seconds, for git clones
    }
}