name: CI

on:
  push:
    branches:
      - master
  pull_request:
  merge_group:

permissions:
  contents: read

env:
  HOMEBREW_DEVELOPER: 1
  HOMEBREW_NO_AUTO_UPDATE: 1
  HOMEBREW_NO_ENV_HINTS: 1
  HOMEBREW_BOOTSNAP: 1
  HOMEBREW_NO_INSTALL_CLEANUP: 1

concurrency:
  group: "${{ github.ref }}"
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  syntax:
    if: github.repository == 'Homebrew/brew'
    runs-on: ubuntu-22.04
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master

      - name: Cache Bundler RubyGems
        uses: actions/cache@v3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-

      - name: Install Bundler RubyGems
        run: brew install-bundler-gems --groups=sorbet

      - name: Install shellcheck and shfmt
        run: brew install shellcheck shfmt

      - run: brew style --display-cop-names

      - run: brew typecheck

      - name: Check RuboCop filepaths
        working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}/Library/Homebrew
        run: |
          public_apis=$(git grep -l "@api public" | wc -l | tr -d ' ')
          rubocop_docs=$(yq '.Style/Documentation.Include' .rubocop.yml | wc -l | tr -d ' ')
          if [[ public_apis -ne rubocop_docs ]]
          then
            echo "All public Homebrew APIs should be included in the Style/Documentation RuboCop."
            echo "There were ${public_apis} '@api public' lines but ${rubocop_docs} filepaths for the 'Style/Documentation' RuboCop."
            echo "Add or remove the filepaths from Library/Homebrew/.rubocop.yml as appropriate."
            exit 1
          fi

  tap-syntax:
    name: tap syntax
    needs: syntax
    if: startsWith(github.repository, 'Homebrew/')
    runs-on: ubuntu-22.04
    env:
      HOMEBREW_NO_INSTALL_FROM_API: 1
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master

      - name: Cache Bundler RubyGems
        uses: actions/cache@v3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-

      - name: Install Bundler RubyGems
        run: brew install-bundler-gems --groups=sorbet

      - name: Run brew readall on all taps
        run: brew readall --eval-all --aliases

      - name: Run brew style on homebrew-core
        run: brew style --display-cop-names homebrew/core

      - name: Run brew audit --skip-style on all taps
        run: brew audit --eval-all --skip-style --except=version --display-failures-only

      - name: Set up all Homebrew taps
        run: |
          brew tap homebrew/aliases
          brew tap homebrew/autoupdate
          brew tap homebrew/bundle
          brew tap homebrew/cask
          brew tap homebrew/cask-drivers
          brew tap homebrew/cask-fonts
          brew tap homebrew/cask-versions
          brew tap homebrew/command-not-found
          brew tap homebrew/core
          brew tap homebrew/formula-analytics
          brew tap homebrew/portable-ruby
          brew tap homebrew/services

          # brew style doesn't like world writable directories
          sudo chmod -R g-w,o-w "$(brew --repo)/Library/Taps"

      - name: Run brew audit --skip-style on homebrew-core for macOS
        run: brew audit --skip-style --except=version --tap=homebrew/core
        env:
          HOMEBREW_SIMULATE_MACOS_ON_LINUX: 1

      - name: Run brew style on official taps
        run: |
          brew style --display-cop-names homebrew/bundle \
                                         homebrew/services \
                                         homebrew/test-bot

          brew style --display-cop-names homebrew/aliases\
                                         homebrew/autoupdate\
                                         homebrew/command-not-found \
                                         homebrew/formula-analytics \
                                         homebrew/portable-ruby

      - name: Run brew style on cask taps
        run: |
          brew style --display-cop-names homebrew/cask \
                                         homebrew/cask-drivers \
                                         homebrew/cask-fonts \
                                         homebrew/cask-versions

  vendored-gems:
    name: vendored gems
    needs: syntax
    runs-on: ubuntu-22.04
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master

      - name: Configure Git user
        uses: Homebrew/actions/git-user-config@master
        with:
          username: BrewTestBot

      # Can't cache this because we need to check that it doesn't fail the
      # "uncommitted RubyGems" step with a cold cache.
      - name: Install Bundler RubyGems
        run: brew install-bundler-gems --groups=sorbet

      - name: Check for uncommitted RubyGems
        working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
        run: git diff --stat --exit-code Library/Homebrew/vendor/bundle/ruby

  docker:
    needs: syntax
    runs-on: ubuntu-22.04
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master

      - name: Build Docker image
        working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
        run: |
          docker build -t brew --build-arg=version=22.04 \
               --label org.opencontainers.image.created="$(date --rfc-3339=seconds --utc)" \
               --label org.opencontainers.image.url="https://brew.sh" \
               --label org.opencontainers.image.documentation="https://docs.brew.sh" \
               --label org.opencontainers.image.source="https://github.com/${GITHUB_REPOSITORY}" \
               --label org.opencontainers.image.revision="${GITHUB_SHA}" \
               --label org.opencontainers.image.vendor="${GITHUB_REPOSITORY_OWNER}" \
               --label org.opencontainers.image.licenses="BSD-2-Clause" \
               .

      - name: Deploy the Docker image to GitHub Packages and Docker Hub
        if: github.ref == 'refs/heads/master'
        run: |
          echo ${{secrets.HOMEBREW_BREW_GITHUB_PACKAGES_TOKEN}} |
            docker login ghcr.io -u BrewTestBot --password-stdin
          docker tag brew "ghcr.io/homebrew/ubuntu22.04:master"
          docker push "ghcr.io/homebrew/ubuntu22.04:master"
          echo ${{secrets.HOMEBREW_BREW_DOCKER_TOKEN}} |
            docker login -u brewtestbot --password-stdin
          docker tag brew "homebrew/ubuntu22.04:master"
          docker push "homebrew/ubuntu22.04:master"

  update-test:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runs-on }}
    needs: syntax
    if: github.event_name == 'pull_request' || github.event_name == 'merge_group'
    strategy:
      matrix:
        include:
          - name: update-test (Ubuntu 22.04)
            runs-on: ubuntu-22.04
          - name: update-test (macOS 12)
            runs-on: macos-12
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master

      - name: Cache Bundler RubyGems
        uses: actions/cache@v3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-

      - name: Install Bundler RubyGems
        run: brew install-bundler-gems

      - name: Run brew update-tests
        run: |
          brew update-test
          brew update-test --to-tag
          brew update-test --commit=HEAD

  tests:
    name: ${{ matrix.name }}
    needs: syntax
    runs-on: ${{ matrix.runs-on }}
    strategy:
      matrix:
        include:
          - name: tests (online)
            test-flags: --online --coverage
            runs-on: ubuntu-22.04
          - name: tests (generic OS)
            test-flags: --generic --coverage
            runs-on: ubuntu-22.04
          - name: tests (Ubuntu 22.04)
            test-flags: --coverage
            runs-on: ubuntu-22.04
          - name: tests (Ubuntu 20.04)
            test-flags: --coverage
            runs-on: ubuntu-20.04
          - name: tests (macOS 12)
            test-flags: --coverage
            runs-on: macos-12
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master
        env:
          HOMEBREW_NO_INSTALL_FROM_API: 1

      - name: Cache Bundler RubyGems
        uses: actions/cache@v3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-

      - name: Install Bundler RubyGems
        run: brew install-bundler-gems --groups=sorbet

      - name: Create parallel test log directory
        run: mkdir tests

      - name: Cache parallel tests log
        uses: actions/cache@v3
        with:
          path: tests
          key: ${{ runner.os }}-${{ matrix.test-flags }}-parallel_runtime_rspec-${{ github.sha }}
          restore-keys: ${{ runner.os }}-${{ matrix.test-flags }}-parallel_runtime_rspec-

      - name: Install brew tests dependencies
        if: matrix.name != 'tests (generic OS)'
        run: brew install buildpulse-test-reporter

      - name: Install brew tests --online dependencies
        if: matrix.name == 'tests (online)'
        run: brew install subversion curl

        # brew tests doesn't like world writable directories
      - name: Cleanup permissions
        if: runner.os == 'Linux'
        run: sudo chmod -R g-w,o-w /home/linuxbrew/.linuxbrew/Homebrew

      - name: Run brew tests
        if: github.event_name == 'pull_request' || matrix.name != 'tests (online)'
        run: |
          # brew tests

          # Don't attempt to use BuildPulse for generic tests.
          # Fails for no apparent reason.
          if [[ "${{ matrix.name }}" =~ "generic" ]]
          then
            unset HOMEBREW_BUILDPULSE_ACCESS_KEY_ID
          fi

          # Retry multiple times when using BuildPulse to detect and submit
          # flakiness (because rspec-retry is disabled).
          if [[ -n "${HOMEBREW_BUILDPULSE_ACCESS_KEY_ID}" ]]
          then
            brew tests ${{ matrix.test-flags }} ||
            brew tests ${{ matrix.test-flags }}
          else
            brew tests ${{ matrix.test-flags }}
          fi
        env:
          HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # These cannot be queried at the macOS level on GitHub Actions.
          HOMEBREW_LANGUAGES: en-GB
          HOMEBREW_BUILDPULSE_ACCESS_KEY_ID: ${{ secrets.BUILDPULSE_ACCESS_KEY_ID }}
          HOMEBREW_BUILDPULSE_SECRET_ACCESS_KEY: ${{ secrets.BUILDPULSE_SECRET_ACCESS_KEY }}
          HOMEBREW_BUILDPULSE_ACCOUNT_ID: 1503512
          HOMEBREW_BUILDPULSE_REPOSITORY_ID: 53238813

      - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70
        with:
          directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
          files: Library/Homebrew/test/coverage/coverage.xml

  test-default-formula:
    name: ${{ matrix.name }}
    needs: syntax
    if: startsWith(github.repository, 'Homebrew/')
    runs-on: ${{ matrix.runs-on }}
    strategy:
      matrix:
        include:
          - name: test default formula (Ubuntu 22.04)
            runs-on: ubuntu-22.04
          - name: test default formula (Ubuntu 20.04)
            runs-on: ubuntu-20.04
          - name: test default formula (macOS 12)
            runs-on: macos-12
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master

      - run: brew test-bot --only-cleanup-before

      - run: brew test-bot --only-setup

      - run: brew test-bot --only-formulae --only-json-tab --test-default-formula