add github action ci.yml (jberet#12)

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+# This workflow will build a Java project with Maven
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
+
+name: JBeret Support CI
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+jobs:
+  build-test-matrix:
+    name: ${{ matrix.impl}}-${{ matrix.jdk }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 5
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        jdk: [8, 11, 17]
+        impl: [hotspot]
+    steps:
+    - name: Configure runner - Linux
+      if: contains(matrix.os, 'ubuntu')
+      run: |
+        sudo bash -c "echo '127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4' > /etc/hosts"
+        sudo bash -c "echo '::1         localhost localhost.localdomain localhost6 localhost6.localdomain6' >> /etc/hosts"
+    - name: Configure Runner - Windows
+      if: contains(matrix.os, 'windows')
+      run: |
+        echo '127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4' > %SystemRoot%\System32\drivers\etc\hosts
+        echo '::1         localhost localhost.localdomain localhost6 localhost6.localdomain6' >> %SystemRoot%\System32\drivers\etc\hosts
+      shell: cmd
+    - uses: actions/checkout@v2
+    - name: Set up JDK ${{ matrix.jdk }}
+      uses: AdoptOpenJDK/install-jdk@v1
+      with:
+        version: ${{ matrix.jdk }}
+        impl: ${{ matrix.impl }}
+    - name: Run Tests
+      run: mvn -ntp -U -B -fae clean install
+    - uses: actions/upload-artifact@v2
+      if: failure()
+      with:
+        name: surefire-reports-${{ matrix.openjdk}}-${{ matrix.jdk }}-${{ matrix.os }}
+        path: '**/surefire-reports/*.txt'