ci.yml

name: CI

on:
  pull_request:
  push:
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ci-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  quality:
    name: Quality
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

      - name: Verify formatting
        shell: bash
        run: |
          unformatted="$(gofmt -l .)"
          if [ -n "${unformatted}" ]; then
            echo "The following files are not gofmt-formatted:"
            echo "${unformatted}"
            exit 1
          fi

      - name: Vet
        run: go vet ./...

      - name: Race test
        run: go test -race ./...

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

  build-matrix:
    name: Build (${{ matrix.os }})
    needs: quality
    runs-on: ${{ matrix.os }}
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

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