name: codeql

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

jobs:
  codeql:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
        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@v1
        with:
          languages: go
      -
        name: Autobuild
        uses: github/codeql-action/autobuild@v1
      -
        name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v1