# Continuous integration — runs on every push to main and every PR.
# Catches regressions early so the Release workflow on tag push doesn't
# surprise us with a red test run when we least want it.

name: CI

on:
  push:
    branches: [ main, 'v2-*' ]
  pull_request:
    branches: [ main ]

permissions:
  contents: read

jobs:
  test:
    name: Test & vet
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [ '1.21' ]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Go ${{ matrix.go-version }}
        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.go-version }}

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}

      - name: Verify modules
        run: go mod verify

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

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

      - name: Test (race detector)
        run: go test ./... -race -timeout 180s