go.yml

name: Go

env:
  BUF_TOKEN: ${{ secrets.BUF_TOKEN }}

on:
  pull_request:
    paths:
      - ".github/workflows/go.yml"
      - "**.go"
      - "/revive.toml"

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Go environment
        uses: actions/setup-go@v4
        with:
          cache: false
          go-version-file: go.mod

      - id: go-cache-paths
        run: |
          echo "go-build=$(go env GOCACHE)" >> $GITHUB_OUTPUT
          echo "go-mod=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT

      - name: Go Build Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-build }}
          key: ${{ runner.os }}-gobuild-build-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-gobuild-build-

      - name: Go Mod Cache
        id: go-mod-cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-mod }}
          key: ${{ runner.os }}-gomod-build-${{ hashFiles('**/go.sum') }}

      - name: Run vet linter
        id: vet
        uses: magefile/mage-action@v3
        with:
          version: latest
          args: vet

      - name: Run gofmt linter
        id: fmt
        uses: magefile/mage-action@v3
        with:
          version: latest
          args: fmt



  check-go-mod:
    name: Check go.mod tidiness
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Go environment
        uses: actions/setup-go@v4
        with:
          cache: false
          go-version-file: go.mod

      - id: go-cache-paths
        run: |
          echo "go-build=$(go env GOCACHE)" >> $GITHUB_OUTPUT
          echo "go-mod=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT

      - name: Go Build Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-build }}
          key: ${{ runner.os }}-gobuild-build-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-gobuild-build-

      - name: Go Mod Cache
        id: go-mod-cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-mod }}
          key: ${{ runner.os }}-gomod-build-${{ hashFiles('**/go.sum') }}


      - run: go mod tidy

      - name: Has Changes
        id: has_changes
        run: |
          [[ -z $(git status -s go.mod) ]] && [[ -z $(git status -s go.sum) ]] \
          && echo "::set-output name=hasChanges::${{ toJSON(false) }}" \
          || echo "::set-output name=hasChanges::${{ toJSON(true) }}"
      - name: Print Diff
        if: ${{ fromJSON(steps.has_changes.outputs.hasChanges) }}
        run: |
          git diff
      - name: Report and fail
        if: ${{ fromJSON(steps.has_changes.outputs.hasChanges) }}
        run: |
          echo "::error title=go.mod is not tidy::Please tidy locally and commit."
          exit 1