name: "CodeQL"

on: [push, pull_request]

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

env:
  CCACHE_BASEDIR: ${{ github.workspace }}
  CCACHE_COMPRESS: true
  CCACHE_MAXSIZE: 200M
  # CodeQL currently doesn't support ccache
  CCACHE_DISABLE: true
  OS_NAME: linux

jobs:
  pre-check:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip-check.outputs.should_skip }}
    steps:
      - id: skip-check
        uses: fkirc/skip-duplicate-actions@master
        with:
          concurrent_skipping: 'same_content_newer'

  analyze:
    needs: pre-check
    if: ${{ needs.pre-check.outputs.should_skip != 'true' }}
    runs-on: ubuntu-latest
    permissions:
      actions: write
      security-events: write
    strategy:
      fail-fast: false
      matrix:
        language: [ 'cpp', 'python', 'ruby' ]
    steps:
    - uses: actions/checkout@v6
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v4
      with:
        languages: ${{ matrix.language }}
        config-file: ./.github/codeql/config.yml

    - if: matrix.language == 'python' || matrix.language == 'ruby'
      name: Autobuild
      uses: github/codeql-action/autobuild@v4

    # this follows the steps of the Linux workflow
    - if: matrix.language == 'cpp'
      uses: actions/cache/restore@v5
      id: cache-restore
      with:
        path: ~/.cache/ccache
        key: ccache-ubuntu-latest-gcc-codeql
        restore-keys: |
          ccache-ubuntu-latest-gcc-all
          ccache-ubuntu-latest-gcc-
    - if: matrix.language == 'cpp'
      run: |
          sudo apt-get install -qq ccache
          echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
          ccache -z
    - if: matrix.language == 'cpp'
      env:
        TEST: codeql
      uses: ./.github/actions/default
    - if: matrix.language == 'cpp'
      run: ccache -sv
    # delete old cache entry as we currently can't update it any other way
    - if: matrix.language == 'cpp' && steps.cache-restore.outputs.cache-hit
      env:
        GH_TOKEN: ${{ github.token }}
      continue-on-error: true
      run: gh cache delete -r ${{ github.ref }} ${{ steps.cache-restore.outputs.cache-primary-key }}
    - if: matrix.language == 'cpp'
      uses: actions/cache/save@v5
      with:
        path: ~/.cache/ccache
        key: ${{ steps.cache-restore.outputs.cache-primary-key }}

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