build_pull_request.yml

name: CI Pull Request

on:
  pull_request:

jobs:
  check_wrapper:
    name: Validate Gradle Wrapper
    runs-on: ubuntu-latest

    steps:
      - name: Clone repo
        uses: actions/checkout@v3

      - name: Validate Gradle Wrapper
        uses: gradle/wrapper-validation-action@v1

  build:
    name: Build pull request
    needs: check_wrapper
    if: "!startsWith(github.event.head_commit.message, '[SKIP CI]')"
    runs-on: ubuntu-latest

    steps:
      - name: Cancel previous runs
        uses: styfle/cancel-workflow-action@0.10.0
        with:
          access_token: ${{ github.token }}

      - name: Checkout pull request
        uses: actions/checkout@v2
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          path: master
          fetch-depth: 0

      - name: Set up JDK 1.8
        uses: actions/setup-java@v1
        with:
          java-version: 1.8

      - name: Copy CI gradle.properties
        run: |
          cd master
          mkdir -p ~/.gradle
          cp .github/runner-files/ci-gradle.properties ~/.gradle/gradle.properties

      - name: Build Jar
        uses: gradle/gradle-build-action@v2
        with:
          build-root-directory: master
          arguments: :server:shadowJar --stacktrace