name: codeql

on:
  pull_request:
    branches:
    - main
  push:
    branches:
    - main
  schedule:
  - cron: '33 16 * * 0'

permissions:
  contents: read # Needed to checkout the repository.

concurrency:
  group: "${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}"
  # Only cancel superseded pull request runs, so every push to main is fully checked.
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  analyze:
    name: analyze (${{ matrix.language }})
    runs-on: 'ubuntu-latest'
    permissions:
      security-events: write # Needed to upload results.
      packages: read # Needed to fetch internal or private CodeQL packs.
      actions: read # Needed to read workflows.
      contents: read # Needed to checkout the repository.

    strategy:
      fail-fast: false
      matrix:
        include:
        - language: actions
          build-mode: none
        - language: rust
          build-mode: none
    steps:
    - name: harden runner
      uses: step-security/harden-runner@351661ca32ac09a36dc5ee2d536e3128f2a3c8ed # v2.22.0
      with:
        egress-policy: audit

    - name: checkout
      uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      with:
        persist-credentials: false

    - name: initialize codeql
      uses: github/codeql-action/init@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2 # v4.38.2
      with:
        languages: ${{ matrix.language }}
        build-mode: ${{ matrix.build-mode }}
        config-file: ./.github/codeql/codeql-config.yaml

    - name: perform codeql analysis
      uses: github/codeql-action/analyze@2892aa5e19bbd11bc0cff5427e3b750a04d9e3c2 # v4.38.2
      with:
        category: "/language:${{matrix.language}}"