check-demos.yml

name: Check Demos

on:
  push:
    branches:
      - main
    paths:
      - 'demos/**'

  pull_request:
    branches:
      - main
    paths:
      - 'demos/**'

  workflow_dispatch:
  workflow_call:

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1

      - name: Set up Lua
        uses: leafo/gh-actions-lua@35bcb06abec04ec87df82e08caa84d545348536e # v10.0.0

      - name: Set up LuaRocks
        uses: hishamhm/gh-actions-luarocks@master

      - name: Run luacheck on demos
        env:
          # renovate: datasource=github-releases depName=ammaraskar/msvc-problem-matcher
          MSCV_PROBLEM_MATCHER_VERSION: 0.3.0
        run: |
          IFS=$' \t\n'; set -euxo pipefail

          # install luacheck
          luarocks install luacheck

          # download and setup problem matcher for luacheck's visual_studio formatter
          wget -q "https://raw.githubusercontent.com/ammaraskar/msvc-problem-matcher/${MSCV_PROBLEM_MATCHER_VERSION}/msvc_matcher.json" \
            -O visual-studio-problem-matcher.json
          echo "::add-matcher::visual-studio-problem-matcher.json"

          # run luacheck
          luacheck ./demos/ --no-cache --formatter visual_studio