ci.yml

name: CI
on:
  pull_request:
    branches: [ '**' ]
  push:
    branches: [ '**' ]
    tags: [ v* ]
jobs:
  ci:
    # run on external PRs, but not on internal PRs since those will be run by push to branch
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up JDK
        uses: actions/setup-java@v3
        with:
          distribution: 'zulu'
          java-version: '21'
          cache: 'maven'
      - name: Test
        run: mvn --batch-mode --update-snapshots verify

  benchmark:
    needs: [ ci ]
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up JDK
        uses: actions/setup-java@v3
        with:
          distribution: 'zulu'
          java-version: '21'
          cache: 'maven'
      - name: Run benchmark
        run: |
          mvn package -DskipTests=true
          java -Djmh.executor=VIRTUAL -jar bench/target/benchmarks.jar -i 1 -wi 0 -f 1 -to 1100ms -r 1000ms -rf json
      - name: Extract branch name
        shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: extract_branch
      - name: Check & store benchmark result
        uses: benchmark-action/github-action-benchmark@v1
        # Only store updated benchmark results on main branch
        if: steps.extract_branch.outputs.branch == 'main'
        with:
          tool: 'jmh'
          output-file-path: jmh-result.json
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: true
          # Show alert with commit comment on detecting possible performance regression
          alert-threshold: '120%'
          # Enable alert commit comment
          comment-on-alert: true
          fail-on-alert: true
          alert-comment-cc-users: '@adamw'
          # Store benchmark results in the docs folder of the main branch
          gh-pages-branch: ${{ steps.extract_branch.outputs.branch }}
          benchmark-data-dir-path: 'docs/bench'
          skip-fetch-gh-pages: true
      - name: Check benchmark result
        uses: benchmark-action/github-action-benchmark@v1
        # PRs, other branches
        if: steps.extract_branch.outputs.branch != 'main'
        with:
          tool: 'jmh'
          output-file-path: jmh-result.json
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: false
          alert-threshold: '120%'
          comment-on-alert: true
          fail-on-alert: true
          alert-comment-cc-users: '@adamw'
          gh-pages-branch: ${{ steps.extract_branch.outputs.branch }}
          benchmark-data-dir-path: 'docs/bench'