name: 'Release'

on:
  release:
    types: [created]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Validate semver
        env:
          RELEASE: ${{ github.event.release.tag_name }}
        run: echo $RELEASE | grep -oP '^v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$'
      - uses: actions/checkout@v2
      - name: Set up JDK 1.8
        uses: actions/setup-java@v1
        with:
          java-version: 1.8
      - name: Grant execute permission for gradlew
        run: chmod +x gradlew
      - name: Use gradle cache for faster builds
        uses: actions/cache@v1
        with:
          path: ~/.gradle/caches
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
      - name: Generate assets
        uses: GabrielBB/xvfb-action@v1.2
        env:
          RELEASE: ${{ github.event.release.tag_name }}
        with:
          run: ./gradlew runData --no-daemon
      - name: Build with Gradle
        env:
          RELEASE: ${{ github.event.release.tag_name }}
        run: ./gradlew build --no-daemon
      - name: Publish package
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE: ${{ github.event.release.tag_name }}
        run: ./gradlew publish --no-daemon