build.yml

name: Update and Build Formulae
on:
  push:
    branches:
     - master
  schedule:
    - cron: '0 4 * * 4'
  repository_dispatch:
  workflow_dispatch:
  pull_request:
env:
  HOMEBREW_DEVELOPER: 1
  HOMEBREW_GITHUB_ACTIONS: 1
  HOMEBREW_NO_AUTO_UPDATE: 1
  HOMEBREW_NO_INSTALL_FROM_API: 1
  HOMEBREW_RELOCATE_RPATHS: 1

jobs:
  tap-syntax:
    if: "!contains(github.event.head_commit.message, 'skip-build')"
    runs-on: ubuntu-22.04
    container:
      image: ghcr.io/homebrew/ubuntu22.04:master
    env:
      HOMEBREW_SIMULATE_MACOS_ON_LINUX: 1
    outputs:
      testing_formulae: ${{ steps.formulae-detect.outputs.testing_formulae }}
      added_formulae: ${{ steps.formulae-detect.outputs.added_formulae }}
      deleted_formulae: ${{ steps.formulae-detect.outputs.deleted_formulae }}
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@master
        with:
          core: true
          cask: false
          test-bot: true

      - run: brew test-bot --only-tap-syntax

      - run: brew test-bot --only-formulae-detect
        if: github.event_name == 'pull_request'
        id: formulae-detect

  get-matrix:
    if: github.event_name != 'pull_request' && !contains(github.event.head_commit.message, 'skip-build')
    needs: tap-syntax
    runs-on: ubuntu-22.04
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Get matrix
        id: set-matrix
        env:
          GITHUB_MESSAGE: ${{ github.event.head_commit.message }}
        run: |
          extensions=()
          if [[ "$GITHUB_MESSAGE" != *--build-only-* ]]; then
              mapfile -t extensions < <(find ./Formula -name "*@*.rb" -print0 | xargs -0 basename -a | sed "s/@.*//" | sort | uniq)
          else
              IFS=, read -ra extensions <<< "$(echo "$GITHUB_MESSAGE" | grep -Po 'build-only-.*' | cut -d '-' -f 3-)"
          fi
          json_array=""
          first=true
          for extension in "${extensions[@]}"; do
              if [ "$first" = true ]; then
                  first=false
                  json_array="{\"extension\": \"$extension\"}"
              else
                  json_array+=", {\"extension\": \"$extension\"}"
              fi
          done
          echo "matrix={\"include\":[$json_array]}" >> "$GITHUB_OUTPUT"

  create-pr:
    if: github.event_name != 'pull_request' && !contains(github.event.head_commit.message, 'skip-build')
    needs: get-matrix
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.get-matrix.outputs.matrix)}}
    steps:
      - uses: actions/checkout@v4

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

      - name: Patch formula
        id: patch
        env:
          EXTENSION: ${{ matrix.extension }}
          GITHUB_MESSAGE: ${{ github.event.head_commit.message }}
          GITHUB_DEFAULT_BRANCH: master
          GITHUB_REPOSITORY: ${{ github.repository }}
          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
          GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}
          GITHUB_SHA: ${{ github.sha }}
        run: bash ./.github/scripts/pr.sh

  set-environment:
    if: github.event_name == 'pull_request' && !contains(github.event.head_commit.message, 'skip-build')
    runs-on: ubuntu-22.04
    needs: tap-syntax
    outputs:
      syntax-only: ${{ steps.check-labels.outputs.syntax-only }}
      linux-runner: ${{ steps.check-labels.outputs.linux-runner }}
      fail-fast: ${{ steps.check-labels.outputs.fail-fast }}
      test-dependents: ${{ steps.check-labels.outputs.test-dependents }}
      timeout-minutes: ${{ steps.check-labels.outputs.timeout-minutes }}
      container: ${{ steps.check-labels.outputs.container }}
      test-bot-formulae-args: ${{ steps.check-labels.outputs.test-bot-formulae-args }}
      test-bot-dependents-args: ${{ steps.check-labels.outputs.test-bot-dependents-args }}
    steps:
      - uses: actions/checkout@v4
      - name: Check for CI labels
        id: check-labels
        uses: actions/github-script@v7
        env:
          SCRIPTS_PATH: .github/scripts
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const path = require('path')
            const script = require(path.resolve(`${process.env.SCRIPTS_PATH}/environment.js`))
            const formula_detect = {
              testing_formulae: '${{needs.tap-syntax.outputs.testing_formulae}}',
              added_formulae: '${{needs.tap-syntax.outputs.added_formulae}}',
              deleted_formulae: '${{needs.tap-syntax.outputs.deleted_formulae}}'
            }
            try {
              await script({github, context, core}, formula_detect)
            } catch (error) {
              console.error(error);
            }

  build-formula:
    needs: set-environment
    if: github.event_name == 'pull_request' && !contains(github.event.head_commit.message, 'skip-build')
    strategy:
      matrix:
        include:
          - runner: 'macos-13-arm64'
            cleanup: true
          - runner: 'macos-15'
            cleanup: true
          - runner: 'macos-14'
            cleanup: true
          - runner: 'macos-13'
            cleanup: true
          - runner: ${{needs.set-environment.outputs.linux-runner}}
            container: ${{fromJson(needs.set-environment.outputs.container)}}
            workdir: /github/home
            cleanup: false
            timeout: 4320
      fail-fast: ${{fromJson(needs.set-environment.outputs.fail-fast)}}
    runs-on: ${{matrix.runner}}
    container: ${{matrix.container}}
    timeout-minutes: ${{ matrix.timeout || fromJson(needs.set-environment.outputs.timeout-minutes) }}
    defaults:
      run:
        shell: /bin/bash -e {0}
        working-directory: ${{matrix.workdir || github.workspace}}
    env:
      GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
      HOMEBREW_GITHUB_API_TOKEN: ${{secrets.GITHUB_TOKEN}}
      BOTTLES_DIR: ${{matrix.workdir || github.workspace}}/bottles
    steps:
      - name: Pre-test steps
        uses: Homebrew/actions/pre-build@master
        with:
          bottles-directory: ${{ env.BOTTLES_DIR }}
          cleanup: ${{ matrix.cleanup }}

      - name: Run brew test-bot ${{ needs.set-environment.outputs.test-bot-formulae-args }}
        id: brew-test-bot-formulae
        working-directory: ${{ env.BOTTLES_DIR }}
        run: |
          brew test-bot ${{ needs.set-environment.outputs.test-bot-formulae-args }}

      - name: Post-build steps
        if: always()
        uses: Homebrew/actions/post-build@master
        with:
          runner: ${{ matrix.runner }}
          cleanup: ${{ matrix.cleanup }}
          bottles-directory: ${{ env.BOTTLES_DIR }}
          logs-directory: ${{ format('{0}/logs', env.BOTTLES_DIR) }}

  add-label:
    needs: build-formula
    if: github.event_name == 'pull_request' && !contains(github.event.head_commit.message, 'skip-build') && github.event.pull_request.user.login == github.repository_owner
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Add Label
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh pr edit "$(echo "$GITHUB_REF" | awk 'BEGIN { FS = "/" } ; { print $3 }')" --add-label "build-complete"