codeql.yml

name: CodeQL

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  schedule:
    # Weekly full scan, Monday 03:00 UTC
    - cron: '0 3 * * 1'

permissions:
  contents: read
  security-events: write
  actions: read

jobs:
  analyse:
    name: Analyse (${{ matrix.language }})
    runs-on: ubuntu-latest
    timeout-minutes: 20

    strategy:
      fail-fast: false
      matrix:
        # python: the package under src/ and the tests
        # actions: the workflows themselves
        language: [python, actions]

    steps:
      - name: Checkout
        uses: actions/checkout@v7

      # Neither language is compiled, so there is nothing to build before analysis.
      - name: Initialise CodeQL
        uses: github/codeql-action/init@v4
        with:
          languages: ${{ matrix.language }}
          build-mode: none
          # security-and-quality catches both vulnerability patterns and bad practices
          queries: security-and-quality

      - name: Perform CodeQL analysis
        uses: github/codeql-action/analyze@v4
        with:
          category: /language:${{ matrix.language }}