Use GitHub Actions instead of Travis

.github/workflows/build.yml

@@ -0,0 +1,63 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file 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
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the license for the specific language governing permissions and
+# limitations under the license.
+
+name: build
+
+on:
+  push:
+    branches:
+      - trunk
+  pull_request:
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, macos-latest ]
+
+    steps:
+
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      # JDK 8 is needed for the build, and it is the primary bytecode target.
+      - name: Setup JDK 8
+        uses: actions/[email protected]
+        with:
+          distribution: temurin
+          java-version: 8
+          java-package: jdk
+          architecture: x64
+          cache: maven
+
+      - name: Inspect environment (Linux)
+        if: runner.os == 'Linux'
+        run: env | grep '^JAVA'
+
+      - name: Inspect environment (MacOS)
+        if: runner.os == 'macOS'
+        run: env | grep '^JAVA'
+
+      - name: Build with Maven
+        timeout-minutes: 90
+        shell: bash
+        run: |
+          ./mvnw \
+          --show-version --batch-mode --errors --no-transfer-progress \
+          -DtrimStackTrace=false \
+          -Dsurefire.rerunFailingTestsCount=2"