name: Check actions

on:
  push:
    branches:
      - '*'
  pull_request:
    branches:
      - 'main'
      - 'release*'

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f # v3.4.0
      - name: Ensure SHA pinned actions
        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@21991cec25093947ff3f62e4c223df0260c39944 # v2.1.2
        with:
          # slsa-github-generator requires using a semver tag for reusable workflows. 
          # See: https://github.com/slsa-framework/slsa-github-generator#referencing-slsa-builders-and-generators
          allowlist: |
            slsa-framework/slsa-github-generator