homebrew-tap/.github/workflows/ci.yml at main · maptic/homebrew-tap · GitHub

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name: CI

on:
  push:
    branches: [main]
  pull_request:

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

permissions:
  contents: read

jobs:
  # `brew test-bot --only-tap-syntax` is the canonical tap check: it runs
  # `brew style` (rubocop-cask) and an offline `brew audit` over every cask.
  tap-syntax:
    runs-on: macos-26
    permissions:
      actions: read
      checks: read
      contents: read
      pull-requests: read
    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@c8707045ccae42888fe98e86f2ee8938bc7cc193 # 2026.08.10.1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Cache Homebrew Bundler RubyGems
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: macos-26-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: macos-26-rubygems-

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

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

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

  # Verifies that every cask's download URL resolves and that its sha256 still
  # matches the bytes upstream is serving.
  audit-online:
    runs-on: macos-26
    permissions:
      contents: read
    steps:
      - name: Set up Homebrew
        uses: Homebrew/actions/setup-homebrew@c8707045ccae42888fe98e86f2ee8938bc7cc193 # 2026.08.10.1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Audit casks
        env:
          HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          # "maptic/homebrew-tap" is addressed as "maptic/tap" by Homebrew.
          tap="${GITHUB_REPOSITORY/\/homebrew-//}"
          cd "$(brew --repository "${tap}")"
          [[ -d Casks ]] || { echo "No casks to audit."; exit 0; }
          casks=$(find Casks -name '*.rb' -exec basename {} .rb \; | sed "s|^|${tap}/|")
          [[ -n "${casks}" ]] || { echo "No casks to audit."; exit 0; }
          # shellcheck disable=SC2086
          brew audit --cask --online --strict $casks