name: Dependency License Checks

on:
  push:
    branches:
      - main
      - release-*
    paths:
      - "go.mod"
  pull_request:
    paths:
      - "go.mod"
  workflow_dispatch: {}

jobs:
  license-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Go
        uses: actions/setup-go@v3
        with:
          go-version-file: "go.mod"

      - name: Find the Go Cache
        id: go
        run: |
          echo "::set-output name=build-cache::$(go env GOCACHE)"
          echo "::set-output name=mod-cache::$(go env GOMODCACHE)"
      - name: Cache the Go Build Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go.outputs.build-cache }}
          key: ${{ runner.os }}-build-check-diff-${{ github.sha }}-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-build-check-diff-${{ github.sha }}-

      - name: Cache Go Dependencies
        uses: actions/cache@v3
        with:
          path: ${{ steps.go.outputs.mod-cache }}
          key: ${{ runner.os }}-pkg-${{ github.sha }}-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-${{ github.sha }}-

      - name: License Checks
        run: |
          go install github.com/google/go-licenses@latest
          make license.check