ci.yml

name: ci
on:
  push:
    branches:
      - main
  pull_request: {}

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Get cache paths
        id: cache
        run: |
          echo "build=$(go env GOCACHE)" | tee -a $GITHUB_OUTPUT
          echo "module=$(go env GOMODCACHE)" | tee -a $GITHUB_OUTPUT

      - name: Set up cache
        uses: actions/cache@v4
        with:
          path: |
            ${{ steps.cache.outputs.build }}
            ${{ steps.cache.outputs.module }}
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Run tests
        run: go test -race ./...

  generate:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Get cache paths
        id: cache
        run: |
          echo "build=$(go env GOCACHE)" | tee -a $GITHUB_OUTPUT
          echo "module=$(go env GOMODCACHE)" | tee -a $GITHUB_OUTPUT

      - name: Set up cache
        uses: actions/cache@v4
        with:
          path: |
            ${{ steps.cache.outputs.build }}
            ${{ steps.cache.outputs.module }}
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Install tfplugindocs
        run: go install github.com/hashicorp/terraform-plugin-docs/cmd/tfplugindocs

      - name: Generate documentation
        run: go generate ./...

      - name: Check for uncommitted changes
        run: |
          git add .
          git diff --staged --exit-code

  format:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Get cache paths
        id: cache
        run: |
          echo "build=$(go env GOCACHE)" | tee -a $GITHUB_OUTPUT
          echo "module=$(go env GOMODCACHE)" | tee -a $GITHUB_OUTPUT

      - name: Set up cache
        uses: actions/cache@v4
        with:
          path: |
            ${{ steps.cache.outputs.build }}
            ${{ steps.cache.outputs.module }}
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Install goimports
        run: go install golang.org/x/tools/cmd/goimports

      - name: Format code
        run: |
          go fmt ./...
          goimports -w -local github.com/tailscale .

      - name: Check for uncommitted changes
        run: |
          git add .
          git diff --staged --exit-code

  licenses:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
        uses: actions/checkout@v4
      - name: check licenses
        run: ./scripts/check_license_headers.sh .