name: CI

on:
  push:
    paths:
      - ".github/workflows/**"
    branches:
      - main
  pull_request:
    paths:
      - ".github/workflows/**"
    branches:
      - main
      - "!v[0-9]*"

permissions:
  contents: read

jobs:
  lint-workflows:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      # From https://github.com/rhysd/actionlint/blob/main/docs/usage.md#use-actionlint-on-github-actions
      - name: Check workflow files
        run: |
          bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
          ./actionlint -color -shellcheck=""