name: CI

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

permissions:
  contents: read

env:
  HOMEBREW_DEVELOPER: 1
  HOMEBREW_NO_AUTO_UPDATE: 1
  HOMEBREW_NO_ENV_HINTS: 1
  HOMEBREW_NO_INSTALL_CLEANUP: 1
  HOMEBREW_VERIFY_ATTESTATIONS: 1

defaults:
  run:
    shell: bash -xeuo pipefail {0}

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

jobs:
  syntax:
    if: github.repository_owner == 'Homebrew'
    runs-on: ubuntu-latest
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: false
          cask: false
          test-bot: false

      - name: Cache Bundler RubyGems
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-syntax-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-syntax-

      - name: Install Bundler RubyGems
        run: brew install-bundler-gems --groups=style,typecheck

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

      - name: Cache style cache
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: ~/.cache/Homebrew/style
          key: syntax-style-cache-${{ github.sha }}
          restore-keys: syntax-style-cache-

      - run: brew style

      - 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" -- :^sorbet/ :^vendor/ | sort)"
          rubocop_docs="$(yq '.Style/Documentation.Include[]' .rubocop.yml | sort)"

          if [[ "${public_apis}" != "${rubocop_docs}" ]]; then
            echo "All public Homebrew APIs should be included in the \`Style/Documentation\` RuboCop."
            echo "Add/remove the following paths from \`Library/Homebrew/.rubocop.yml\` as appropriate:"
            echo "${public_apis} ${rubocop_docs}" | tr ' ' '\n' | sort | uniq -u

            exit 1
          fi

  tap-syntax:
    name: tap syntax
    needs: syntax
    if: github.repository_owner == 'Homebrew'
    runs-on: macos-15
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: true
          cask: true
          test-bot: true

      - name: Cache Bundler RubyGems
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-tap-syntax-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-tap-syntax-

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

      - name: Cache style cache
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: ~/.cache/Homebrew/style
          key: tap-syntax-style-cache-${{ github.sha }}
          restore-keys: tap-syntax-style-cache-

      - name: Run brew style on homebrew-core
        run: brew style homebrew/core

      - name: Set up all Homebrew taps
        run: |
          brew tap homebrew/command-not-found
          brew tap homebrew/portable-ruby

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

      - name: Run brew style on official taps
        run: |
          brew style homebrew/test-bot

          brew style homebrew/command-not-found \
                     homebrew/portable-ruby

      - name: Run brew style on homebrew/cask
        run: |
          brew style homebrew/cask

  formula-audit:
    name: formula audit
    needs: syntax
    if: github.repository_owner == 'Homebrew' && github.event_name != 'push'
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/homebrew/brew:main
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: false
          cask: false
          test-bot: false

      - name: Run brew readall on homebrew/core
        run: brew readall --os=all --arch=all --aliases homebrew/core

      - name: Run brew audit --skip-style on homebrew/core
        run: brew audit --skip-style --except=version --tap=homebrew/core

      - name: Generate formula API
        run: brew generate-formula-api --dry-run

  cask-audit:
    name: cask audit
    needs: syntax
    if: github.repository_owner == 'Homebrew' && github.event_name != 'push'
    runs-on: macos-15
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: true
          cask: true
          test-bot: false

      - name: Run brew readall on all casks
        run: brew readall --os=all --arch=all homebrew/cask

      - name: Run brew audit --skip-style on homebrew/cask
        run: |
          brew audit --skip-style --except=version --tap=homebrew/cask

      - name: Generate cask API
        run: brew generate-cask-api --dry-run

  vendored-gems:
    name: vendored gems
    needs: syntax
    runs-on: ubuntu-latest
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: false
          cask: false
          test-bot: false

      - name: Configure Git user
        uses: Homebrew/actions/git-user-config@main
        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=all

      - 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

  update-test:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runs-on }}
    needs: syntax
    if: github.event_name != 'push'
    strategy:
      matrix:
        include:
          - name: update-test (Linux)
            runs-on: ubuntu-latest
          - name: update-test (macOS)
            runs-on: macos-latest
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: false
          cask: false
          test-bot: false

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

  tests:
    if: github.event_name != 'push'
    name: ${{ matrix.name }}
    needs: syntax
    runs-on: ${{ matrix.runs-on }}
    strategy:
      matrix:
        include:
          - name: tests (online)
            test-flags: --online --coverage
            runs-on: ubuntu-latest
          - name: tests (generic OS)
            test-flags: --generic --coverage
            runs-on: ubuntu-latest
          - name: tests (Linux)
            test-flags: --coverage
            runs-on: ubuntu-24.04
          - name: tests (macOS)
            test-flags: --coverage
            runs-on: macos-15
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          # We only test needs_homebrew_core tests on macOS because
          # homebrew/core is not available by default on GitHub-hosted Ubuntu
          # runners, and it's expensive to tap it.
          core: ${{ runner.os == 'macOS' }}
          cask: false
          test-bot: false

      - name: Cache Bundler RubyGems
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ matrix.runs-on }}-tests-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ matrix.runs-on }}-tests-rubygems-

      - run: brew config

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

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

      - name: Cache parallel tests log
        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
        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 --online dependencies
        if: matrix.name == 'tests (online)'
        run: brew install subversion curl

      - name: Install brew tests macOS dependencies
        if: runner.os != 'Linux'
        run: |
          # Workaround GitHub Actions Python issues
          brew unlink python && brew link --overwrite python
          brew install subversion

        # 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: |
          # Retry multiple times to detect and submit flakiness to CodeCov (because rspec-retry is disabled).
          if [[ -n "${CODECOV_TOKEN-}" ]]
          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
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

      - name: Get RSpec JUnit XML filenames
        id: junit_xml
        working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
        run: |
          mkdir -p Library/Homebrew/test/junit
          filenames=$(find Library/Homebrew/test/junit -name 'rspec*.xml' -print | tr '\n' ',')
          echo "filenames=${filenames%,}" >> "$GITHUB_OUTPUT"

      - uses: codecov/test-results-action@47f89e9acb64b76debcd5ea40642d25a4adced9f # v1.1.1
        with:
          working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
          files: ${{ steps.junit_xml.outputs.filenames }}
          disable_search: true
          token: ${{ secrets.CODECOV_TOKEN }}

      - uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
        with:
          working-directory: ${{ steps.set-up-homebrew.outputs.repository-path }}
          files: Library/Homebrew/test/coverage/coverage.xml
          disable_search: true
          token: ${{ secrets.CODECOV_TOKEN }}

  test-bot:
    name: ${{ matrix.name }}
    needs: syntax
    if: github.repository_owner == 'Homebrew' && github.event_name != 'push'
    runs-on: ${{ matrix.runs-on }}
    container: ${{ matrix.container }}
    strategy:
      matrix:
        include:
          - name: test-bot (Linux arm64)
            runs-on: ubuntu-24.04-arm
            container: ghcr.io/homebrew/ubuntu24.04:latest
          - name: test-bot (Linux x86_64)
            runs-on: ubuntu-latest
            container: ghcr.io/homebrew/ubuntu22.04:main
          # Use Debian Old Stable for testing Homebrew's glibc support.
          - name: test-bot (Linux Homebrew glibc)
            runs-on: ubuntu-latest
            container: debian:oldstable
          - name: test-bot (macOS x86_64)
            runs-on: macos-13
          - name: test-bot (macOS arm64)
            runs-on: macos-15
    env:
      HOMEBREW_TEST_BOT_ANALYTICS: 1
      HOMEBREW_ENFORCE_SBOM: 1
    steps:
      - name: Install Homebrew and Homebrew's dependencies
        # All other images are built from our Homebrew Dockerfile.
        # This is the only one that needs to be set up manually.
        if: matrix.container == 'debian:oldstable'
        run: |
          # Slimmed down version from the Homebrew Dockerfile
          apt-get update
          apt-get install -y --no-install-recommends \
            bzip2 \
            ca-certificates \
            curl \
            file \
            g++ \
            git-core \
            less \
            locales \
            make \
            netbase \
            patch \
            procps \
            sudo \
            uuid-runtime \
            tzdata

          # Install Homebrew
          mkdir -p /home/linuxbrew/.linuxbrew/bin
          # Don't do shallow clone or it's unshallowed by "Set up Homebrew"
          git clone https://github.com/Homebrew/brew.git /home/linuxbrew/.linuxbrew/Homebrew
          cd /home/linuxbrew/.linuxbrew/bin
          ln -s ../Homebrew/bin/brew brew
          echo "/home/linuxbrew/.linuxbrew/bin" >>"$GITHUB_PATH"

      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: false
          cask: false
          test-bot: true

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

      - name: Setup environment variables
        run: |
          # Set enviroment variables to bypass `brew doctor` failures on Tier >=2 configurations
          if [[ "${MATRIX_NAME}" == "test-bot (Linux arm64)" ]]; then
            echo "HOMEBREW_ARM64_TESTING=1" >> "$GITHUB_ENV"
          elif [[ "${MATRIX_NAME}" == "test-bot (Linux Homebrew glibc)" ]]; then
            echo "HOMEBREW_GLIBC_TESTING=1" >> "$GITHUB_ENV"
          fi
        env:
          MATRIX_NAME: ${{ matrix.name }}

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

      - run: brew install gnu-tar

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

  bundle-and-services:
    name: ${{ matrix.name }}
    needs: syntax
    if: github.repository_owner == 'Homebrew' && github.event_name != 'push'
    runs-on: ${{ matrix.runs-on }}
    strategy:
      matrix:
        include:
          - name: bundle and services (Linux)
            runs-on: ubuntu-latest
          - name: bundle and services (macOS)
            runs-on: macos-latest
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main
        with:
          core: false
          cask: false
          test-bot: false

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

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

      - name: Run brew bundle and brew services integration tests
        run: |
          cat <<EOS >> Brewfile
            brew "git"
            brew "memcached", restart_service: true
            brew "postgresql@15", restart_service: true
            cask "1password"
            cask "1password-cli"
            cask "google-chrome"
            # VSCode cask is not available on Linux.
            vscode "github.copilot" if OS.mac?
          EOS

          brew bundle check && exit 1
          brew bundle check --verbose && exit 1
          brew bundle list
          brew bundle --verbose
          brew bundle --upgrade-formulae=memcached,postgresql@15
          brew bundle upgrade
          brew bundle env | grep PATH | grep git
          brew bundle env --install
          brew bundle exec --services true
          brew bundle dump --force --describe
          brew services list
          brew services info memcached postgresql@15
          brew services info --json memcached postgresql@15
          brew services cleanup
          brew bundle cleanup --force

  analytics:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runs-on }}
    strategy:
      matrix:
        include:
          - name: analytics (Linux)
            runs-on: ubuntu-latest
          - name: analytics (macOS)
            runs-on: macos-latest
    needs: syntax
    if: github.repository_owner == 'Homebrew' && github.event_name != 'push'
    steps:
    - name: Set up Homebrew
      id: set-up-homebrew
      uses: Homebrew/actions/setup-homebrew@main

    - name: Setup Python
      uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
      with:
        python-version-file: ${{ steps.set-up-homebrew.outputs.repository-path }}/Library/Homebrew/formula-analytics/.python-version

    - name: Cache Homebrew Bundler RubyGems
      id: cache
      uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
      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 Homebrew Bundler RubyGems
      if: steps.cache.outputs.cache-hit != 'true'
      run: brew install-bundler-gems

    - run: brew formula-analytics --setup

    - run: brew formula-analytics --install --json --days-ago=2
      if: github.event.pull_request.head.repo.fork == false && (github.event_name == 'pull_request' && github.event.pull_request.user.login != 'dependabot[bot]')
      env:
        HOMEBREW_INFLUXDB_TOKEN: ${{ secrets.HOMEBREW_INFLUXDB_READ_TOKEN }}

    - run: brew generate-analytics-api
      if: github.event.pull_request.head.repo.fork == false && (github.event_name == 'pull_request' && github.event.pull_request.user.login != 'dependabot[bot]')
      env:
        HOMEBREW_INFLUXDB_TOKEN: ${{ secrets.HOMEBREW_INFLUXDB_READ_TOKEN }}