name: codeql

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
permissions:
  contents: read

on:
  push:
    branches:
      - 'master'
    tags:
      - '*'
  pull_request:
    branches:
      - 'master'
  schedule:
    - cron: '0 12 * * 6'

jobs:
  codeql:
    runs-on: ubuntu-latest
    permissions:
      # same as global permissions
      contents: read
      # required for code scanning
      security-events: write
    steps:
      -
        name: Checkout
        uses: actions/checkout@v5
        with:
          fetch-depth: 2
      -
        name: Checkout HEAD on PR
        if: ${{ github.event_name == 'pull_request' }}
        run: |
          git checkout HEAD^2
      -
        name: Initialize CodeQL
        uses: github/codeql-action/init@v4
        with:
          languages: go
      -
        name: Autobuild
        uses: github/codeql-action/autobuild@v4
      -
        name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v4