codeql.yml

---
# This action is centrally managed in https://github.com/<organization>/.github/
# Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
# the above-mentioned repo.

# This workflow will analyze all supported languages in the repository using CodeQL Analysis.

name: "CodeQL"

on:
  push:
    branches: ["master", "nightly"]
  pull_request:
    branches: ["master", "nightly"]
  schedule:
    - cron: '00 12 * * 0'  # every Sunday at 12:00 UTC

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

jobs:
  languages:
    name: Get language matrix
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.lang.outputs.result }}
      continue: ${{ steps.continue.outputs.result }}
    steps:
      - name: Get repo languages
        uses: actions/github-script@v6
        id: lang
        with:
          script: |
            // CodeQL supports ['cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift']
            // Use only 'java' to analyze code written in Java, Kotlin or both
            // Use only 'javascript' to analyze code written in JavaScript, TypeScript or both
            // Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
            const supported_languages = ['cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift']

            const remap_languages = {
              'c++': 'cpp',
              'c#': 'csharp',
              'kotlin': 'java',
              'typescript': 'javascript',
            }

            const repo = context.repo
            const response = await github.rest.repos.listLanguages(repo)
            let matrix = {
              "include": []
            }

            for (let [key, value] of Object.entries(response.data)) {
              // remap language
              if (remap_languages[key.toLowerCase()]) {
                console.log(`Remapping language: ${key} to ${remap_languages[key.toLowerCase()]}`)
                key = remap_languages[key.toLowerCase()]
              }
              if (supported_languages.includes(key.toLowerCase()) &&
                  !matrix['include'].includes({"language": key.toLowerCase()})) {
                console.log(`Found supported language: ${key}`)
                matrix['include'].push({"language": key.toLowerCase()})
              }
            }

            // print languages
            console.log(`matrix: ${JSON.stringify(matrix)}`)

            return matrix

      - name: Continue
        uses: actions/github-script@v6
        id: continue
        with:
          script: |
            // if matrix['include'] is an empty list return false, otherwise true
            const matrix = ${{ steps.lang.outputs.result }}  // this is already json encoded

            if (matrix['include'].length == 0) {
              return false
            } else {
              return true
            }

  analyze:
    name: Analyze
    if: ${{ needs.languages.outputs.continue == 'true' }}
    needs: [languages]
    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
    timeout-minutes: ${{ (matrix.language == 'swift' && 120) || 360 }}
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.languages.outputs.matrix) }}

    steps:
      - name: Maximize build space
        uses: easimon/maximize-build-space@v8
        with:
          root-reserve-mb: 20480
          remove-dotnet: ${{ (matrix.language == 'csharp' && 'false') || 'true' }}
          remove-android: 'true'
          remove-haskell: 'true'
          remove-codeql: 'false'
          remove-docker-images: 'true'

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
        uses: github/codeql-action/init@v2
        with:
          languages: ${{ matrix.language }}
          # If you wish to specify custom queries, you can do so here or in a config file.
          # By default, queries listed here will override any specified in a config file.
          # Prefix the list here with "+" to use these queries and those in the config file.

          # yamllint disable-line rule:line-length
          # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
          # queries: security-extended,security-and-quality

      # Pre autobuild
      # create a file named .codeql-prebuild-${{ matrix.language }}.sh in the root of your repository
      - name: Prebuild
        run: |
          # check if .qodeql-prebuild-${{ matrix.language }}.sh exists
          if [ -f "./.codeql-prebuild-${{ matrix.language }}.sh" ]; then
            echo "Running .codeql-prebuild-${{ matrix.language }}.sh"
            ./.codeql-prebuild-${{ matrix.language }}.sh
          fi

      # Autobuild attempts to build any compiled languages (C/C++, C#, Go, Java, or Swift).
      - name: Autobuild
        uses: github/codeql-action/autobuild@v2

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v2
        with:
          category: "/language:${{matrix.language}}"