name: Linters

on:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]
  push:
    branches:
      - main
      - v[0-9]+.x-staging
      - v[0-9]+.x

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  PYTHON_VERSION: '3.11'
  NODE_VERSION: lts/*

permissions:
  contents: read

jobs:
  lint-addon-docs:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d  # v3.8.1
        with:
          node-version: ${{ env.NODE_VERSION }}
      - name: Environment Information
        run: npx envinfo
      - name: Lint addon docs
        run: NODE=$(command -v node) make lint-addon-docs
  lint-cpp:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - name: Set up Python ${{ env.PYTHON_VERSION }}
        uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1  # v4.7.0
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      - name: Environment Information
        run: npx envinfo
      - name: Lint C/C++ files
        run: make lint-cpp
  format-cpp:
    if: ${{ github.event.pull_request && github.event.pull_request.draft == false && github.base_ref == github.event.repository.default_branch }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          fetch-depth: 0
          persist-credentials: false
      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d  # v3.8.1
        with:
          node-version: ${{ env.NODE_VERSION }}
      - name: Set up Python ${{ env.PYTHON_VERSION }}
        uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1  # v4.7.0
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      - name: Environment Information
        run: npx envinfo
      - name: Format C/C++ files
        run: |
          make format-cpp-build
          # The `make format-cpp` error code is intentionally ignored here
          # because it is irrelevant. We already check if the formatter produced
          # a diff in the next line.
          # Refs: https://github.com/nodejs/node/pull/42764
          CLANG_FORMAT_START="$(git merge-base HEAD refs/remotes/origin/$GITHUB_BASE_REF)" \
            make format-cpp || true
          git --no-pager diff --exit-code && EXIT_CODE="$?" || EXIT_CODE="$?"
          if [ "$EXIT_CODE" != "0" ]
          then
            echo
            echo 'ERROR: Please run:'
            echo
            echo "  CLANG_FORMAT_START="$\(git merge-base HEAD ${GITHUB_BASE_REF}\)" make format-cpp"
            echo
            echo 'to format the commits in your branch.'
            exit "$EXIT_CODE"
          fi
  lint-js-and-md:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - name: Use Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d  # v3.8.1
        with:
          node-version: ${{ env.NODE_VERSION }}
      - name: Environment Information
        run: npx envinfo
      - name: Lint JavaScript files
        run: NODE=$(command -v node) make lint-js
      - name: Get release version numbers
        if: ${{ github.event.pull_request && github.event.pull_request.base.ref == github.event.pull_request.base.repo.default_branch }}
        id: get-released-versions
        run: ./tools/lint-md/list-released-versions-from-changelogs.mjs >> $GITHUB_OUTPUT
      - name: Lint markdown files
        run: |
          echo "::add-matcher::.github/workflows/remark-lint-problem-matcher.json"
          NODE=$(command -v node) make lint-md
        env:
          NODE_RELEASED_VERSIONS: ${{ steps.get-released-versions.outputs.NODE_RELEASED_VERSIONS }}
  lint-py:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - name: Set up Python ${{ env.PYTHON_VERSION }}
        uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1  # v4.7.0
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      - name: Environment Information
        run: npx envinfo
      - name: Lint Python
        run: |
          make lint-py-build
          make lint-py
  lint-yaml:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - name: Use Python ${{ env.PYTHON_VERSION }}
        uses: actions/setup-python@61a6322f88396a6271a6ee3565807d608ecaddd1  # v4.7.0
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      - name: Environment Information
        run: npx envinfo
      - name: Lint YAML
        run: |
          make lint-yaml-build || true
          make lint-yaml

  lint-sh:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - run: shellcheck -V
      - name: Lint Shell scripts
        run: tools/lint-sh.mjs .
  lint-codeowners:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          persist-credentials: false
      - uses: mszostok/codeowners-validator@7f3f5e28c6d7b8dfae5731e54ce2272ca384592f
        with:
          checks: files,duppatterns
  lint-pr-url:
    if: ${{ github.event.pull_request }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608  # v4.1.0
        with:
          fetch-depth: 2
          persist-credentials: false
      # GH Actions squashes all PR commits, HEAD^ refers to the base branch.
      - run: git diff HEAD^ HEAD -G"pr-url:" -- "*.md" | ./tools/lint-pr-url.mjs ${{ github.event.pull_request.html_url }}