setup.lua

-- src/setup.lua
local version = _VERSION:match("%d+%.%d+")

package.path = 'lua_modules/share/lua/' .. version ..
    '/?.lua;lua_modules/share/lua/' .. version ..
    '/?/init.lua;' .. package.path
package.cpath = 'lua_modules/lib/lua/' .. version ..
    '/?.so;' .. package.cpath

steps.md

setup.sh

#!/bin/bash

if [[ $(uname) == "Darwin" ]]; then
  brew install lua luarocks
fi

mkdir -p project/src
cd project/
touch src/main.lua

luarocks init --lua-versions "5.1,5.2,5.3,5.4"
touch src/setup.lua

running

lua -l src/setup.lua src/main.lua