go.yml

name: Go

on:
  push:
    branches: [ 'main' ]
    tags: [ 'v*' ]
  pull_request:
    branches: [ '*' ]

permissions:
  contents: read

jobs:
  build:
    name: Build and test
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        go: [ 1.23, stable ]

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version: ${{ matrix.go }}

      - name: Check License
        if: matrix.go == 'stable'
        run: ./checklicense.sh

      - name: Check No External Dependencies
        if: matrix.go == 'stable'
        run: |
          if [ "$(go list -m all | wc -l | xargs)" -ne 1 ]; then
            echo "External dependencies found:"
            go list -m all
            exit 1
          fi
          echo "No external dependencies verified."

      - name: Build
        run: go build -v ./...

      - name: Test
        run: |
          if [ "${{ matrix.go }}" = "stable" ]; then
            go test -v -race -coverprofile=coverage.out ./...
          else
            go test -v -race ./...
          fi

      - name: Upload coverage reports to Codecov
        if: matrix.go == 'stable'
        uses: codecov/codecov-action@v5
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ./coverage.out

      - name: Check Coverage
        if: matrix.go == 'stable'
        run: |
          total=$(go tool cover -func=coverage.out | grep total | grep -oE "[0-9]+\.[0-9]+")
          if [ "$total" != "100.0" ]; then
            echo "Coverage is ${total}%, but 100.0% is required."
            exit 1
          fi