name: Check licenses
on:
  workflow_dispatch:
  push:
    branches: [main]
    paths:
      - "**.go"
      - "**/go.mod"
      - "**/go.sum"
  pull_request:
    paths:
      - "**.go"
      - "**/go.mod"
      - "**/go.sum"

jobs:
  check:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # tag=v3.1.0
        with:
          ref: ${{ github.head_ref }}

      - name: Setup Go environment
        uses: actions/setup-go@d0a58c1c4d2b25278816e339b944508c875f3613 # v3.4.0
        with:
          go-version: "1.19.3"
          cache: true

      - name: Install go-licenses
        run: go install github.com/google/go-licenses@latest

      - name: Check licenses
        run: hack/check-licenses.sh

      - name: Check for files without license header
        run: "! grep -rL --include='*.go' -e'SPDX-License-Identifier: AGPL-3.0-only' -e'DO NOT EDIT' | grep ''"