---
# Lint Lua code
name: Luacheck

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]

jobs:
  luacheck:
    runs-on: self-hosted
    steps:
      - name: Checkout
        run: git clone --depth=1 $GITHUB_SERVER_URL/$GITHUB_REPOSITORY.git .
      - name: Install Luacheck
        run: |
          if ! command -v luacheck &> /dev/null; then
            if command -v luarocks &> /dev/null; then
              luarocks install luacheck
            else
              curl -L -o luacheck.tar.gz "https://github.com/lunarmodules/luacheck/archive/refs/tags/v1.1.2.tar.gz"
              tar -xzf luacheck.tar.gz
              cd luacheck-*
              make install
              cd ..
              rm -rf luacheck-*
            fi
          fi
      - name: Run Luacheck
        run: luacheck .