name: Go

on:
  push:
    branches:
      - master
      - release-*
  workflow_dispatch: {}
  pull_request:
    branches:
      - master
      - release-*

env:
  # Common versions
  GO_VERSION: '1.17'
  GOLANGCI_VERSION: 'v1.38'
  KIND_VERSION: 'v0.7.0'

jobs:

  detect-noop:
    runs-on: ubuntu-20.04
    outputs:
      noop: ${{ steps.noop.outputs.should_skip }}
    steps:
      - name: Detect No-op Changes
        id: noop
        uses: fkirc/skip-duplicate-actions@v3.3.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          paths_ignore: '["**.md", "**.mdx", "**.png", "**.jpg"]'
          do_not_skip: '["workflow_dispatch", "schedule", "push"]'
          concurrent_skipping: false

  staticcheck:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      - name: Install StaticCheck
        run: GO111MODULE=on go get honnef.co/go/tools/cmd/staticcheck@v0.3.0

      - name: Static Check
        run: staticcheck ./...

      - name: License Header Check
        run: make check-license-header

  lint:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      # This action uses its own setup-go, which always seems to use the latest
      # stable version of Go. We could run 'make lint' to ensure our desired Go
      # version, but we prefer this action because it leaves 'annotations' (i.e.
      # it comments on PRs to point out linter violations).
      - name: Lint
        uses: golangci/golangci-lint-action@v3
        with:
          version: ${{ env.GOLANGCI_VERSION }}

  check-diff:
    runs-on: aliyun
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Setup node
        uses: actions/setup-node@v2
        with:
          node-version: '14'

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      - name: Check code formatting
        run: go install golang.org/x/tools/cmd/goimports && make fmt

      - name: Run cross-build
        run: make cross-build

      - name: Check Diff
        run: make check-diff
              
      - name: Cleanup binary
        run: make build-cleanup
