lint.yml

name: Lint
on:
  push:
    branches:
      - main
  pull_request:
permissions:
  contents: read # to fetch code (actions/checkout)
jobs:
  validate:
    name: Validate license and lint
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target:
          - validate-headers
          - lint
    permissions:
      id-token: write
      pull-requests: write
      contents: write
    env:
      # Docker Hub credentials and the Docker Build Cloud builder are only
      # available to same-repo events. Fork PRs run without secrets, so they
      # fall back to a local buildx builder (slower, no shared cache).
      IS_TRUSTED: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository }}
    steps:
      - name: Checkout
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
      - name: Setup Go
        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5
        with:
          go-version-file: go.work
      - name: Hub login
        if: env.IS_TRUSTED == 'true'
        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
        with:
          username: dockerpublicbot
          password: ${{ secrets.DOCKERPUBLICBOT_WRITE_PAT }}
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
        with:
          driver: ${{ env.IS_TRUSTED == 'true' && 'cloud' || 'docker-container' }}
          endpoint: ${{ env.IS_TRUSTED == 'true' && 'docker/secrets-engine' || '' }}
          install: true
      - name: Lint
        run: make BUILDER=${{ steps.buildx.outputs.name }} ${{ matrix.target }}