name: validate
on:
  push:
    tags:
      - v*
    branches:
      - master
  pull_request:

jobs:

  commit:
    runs-on: ubuntu-20.04
    # Only check commits on pull requests.
    if: github.event_name == 'pull_request'
    steps:
      - name: get pr commits
        id: 'get-pr-commits'
        uses: tim-actions/get-pr-commits@v1.0.0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: check subject line length
        uses: tim-actions/commit-message-checker-with-regex@v0.3.1
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '^.{0,72}(\n.*)*$'
          error: 'Subject too long (max 72)'

  lint:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          go-version: 1.20.x
      - uses: golangci/golangci-lint-action@v3
        with:
          version: v1.51

  cross:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3
      - name: cross
        run: make build-cross

  test-stubs:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          go-version: 1.20.x
      - uses: golangci/golangci-lint-action@v3
        with:
          version: v1.51
      - name: test-stubs
        run: make test

  test:
    strategy:
      fail-fast: false
      matrix:
        go-version: [1.19.x, 1.20.x]
        race: ["-race", ""]
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3

      - name: install go ${{ matrix.go-version }}
        uses: actions/setup-go@v3
        with:
          stable: '!contains(${{ matrix.go-version }}, "beta") && !contains(${{ matrix.go-version }}, "rc")'
          go-version: ${{ matrix.go-version }}

      - name: build
        run: make BUILDFLAGS="${{ matrix.race }}" build

      - name: test
        run: make TESTFLAGS="${{ matrix.race }}" test