actionlint.yml

# This file is synced from the `.github` repository, do not modify it directly.
name: Actionlint

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

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

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

env:
  HOMEBREW_DEVELOPER: 1
  HOMEBREW_NO_AUTO_UPDATE: 1
  HOMEBREW_NO_ENV_HINTS: 1

permissions: {}

jobs:
  workflow_syntax:
    if: github.repository_owner == 'Homebrew'
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Set up Homebrew
        id: setup-homebrew
        uses: Homebrew/actions/setup-homebrew@master
        with:
          core: false
          cask: false
          test-bot: false

      - name: Install tools
        run: brew install actionlint shellcheck zizmor

      - uses: actions/checkout@v4
        with:
          persist-credentials: false

      - run: |
          # NOTE: exit code intentionally suppressed here
          zizmor --format sarif . > results.sarif || true

      - name: Upload SARIF file
        uses: actions/upload-artifact@v4
        with:
          name: results.sarif
          path: results.sarif

      - name: Set up actionlint
        run: echo "::add-matcher::$(brew --repository)/.github/actionlint-matcher.json"

      - run: actionlint

  upload_sarif:
    needs: workflow_syntax
    # We want to always upload this even if `actionlint` failed.
    # This is only available on public repositories.
    if: >
      always() &&
      !contains(fromJSON('["cancelled", "skipped"]'), needs.workflow_syntax.result) &&
      !github.event.repository.private
    runs-on: ubuntu-latest
    permissions:
      contents: read
      security-events: write
    steps:
      - name: Download SARIF file
        uses: actions/download-artifact@v4
        with:
          name: results.sarif
          path: results.sarif

      - name: Upload SARIF file
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: results.sarif
          category: zizmor