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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
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name: GitHub CI

on: [ push, pull_request ]

jobs:
  build:

    strategy:
      matrix:
        os: [ ubuntu-latest,windows-latest, macOS-latest ]
        java: [ 8, 11, 16, 17-ea ]
      fail-fast: false

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up cache for ~./m2/repository
        uses: actions/cache@v2
        with:
          path: ~/.m2/repository
          key: maven-${{ matrix.os }}-java${{ matrix.java }}-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            maven-${{ matrix.os }}-java${{ matrix.java }}-
            maven-${{ matrix.os }}-

      - name: Set up JDK
        uses: actions/setup-java@v2
        with:
          distribution: adopt
          java-version: ${{ matrix.java }}

      - name: Build with Maven
        run: mvn --batch-mode --errors --show-version verify
