ci.yaml

name: CI build
on:
  pull_request:

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Install sodium
        run: sudo apt-get install -y libsodium-dev
          
      - name: Setup Go
        uses: actions/setup-go@v4
        with:
          go-version-file: 'go.mod'

      - name: Build
        run: make build
        
      - name: Test
        run: make test

  gomodtidy:
    name: Enforce go.mod tidiness
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0
        with:
          ref: "${{ github.event.pull_request.head.sha }}"
          repository: ${{github.event.pull_request.head.repo.full_name}}
          persist-credentials: false

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

      - name: Execute go mod tidy and check the outcome
        working-directory: ./
        run: |
          go mod tidy
          exit_code=$(git diff --exit-code)
          exit ${exit_code}

      - name: Print a comment in case of failure
        run: |
          echo "The go.mod and/or go.sum files appear not to be correctly tidied.
          
          Please, rerun go mod tidy to fix the issues."
          exit 1
        if: |
          failure() && github.event.pull_request.head.repo.full_name == github.repository