luacheck.yml

name: Static Analysis

on:
  push:
  pull_request:
    branches: [master]

jobs:
  luacheck:
    runs-on: ubuntu-latest

    steps:
      # LuaRocks needs the 5.1 headers to compile LuaCheck later, so we download them, too
      - name: Install LuaJIT
        run: sudo apt-get install luajit libluajit-5.1-dev

      - name: Download LuaRocks
        run: wget https://luarocks.org/releases/luarocks-3.7.0.tar.gz

      - name: Unpack LuaRocks release
        run: tar zxpf luarocks-3.7.0.tar.gz

      - name: Install LuaRocks
        run: cd luarocks-3.7.0 && ./configure && make && sudo make install

      - name: Install LuaCheck
        run: sudo luarocks install luacheck

      # We don't want LuaCheck to analyze LuaRocks itself
      # Ironically, it fails when doing that, but that's not useful here
      - name: Change to temporary directory
        run: mkdir temp && cd temp

      - name: Check out Git repository
        uses: actions/checkout@v2

      - name: Perform static analysis
        run: ./luacheck.sh