[BUILD] add github workflow

.github/workflows/ant.yml

@@ -0,0 +1,75 @@
+# 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: Ant+Ivy CI
+
+permissions:
+  contents: read
+
+on:
+  workflow_dispatch: { }
+  push:
+    branches: [ '2.3-gae' ]
+  pull_request:
+    branches: [ '2.3-gae' ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 7
+        uses: actions/setup-java@v3
+        with:
+          java-version: 7
+          distribution: zulu
+
+      - name: Set up JDK 8
+        uses: actions/setup-java@v3
+        with:
+          java-version: 8
+          distribution: temurin
+
+      - name: Prepare build.properties
+        shell: bash
+        run: >-
+          echo "boot.classpath.j2se1.7=${JAVA_HOME_7_X64}/jre/lib/rt.jar" >> build.properties;
+          echo "boot.classpath.j2se1.8=${JAVA_HOME_8_X64}/jre/lib/rt.jar" >> build.properties;
+          echo "mvnCommand=$(which mvn)" >> build.properties;
+          echo "gpgCommand=$(which gpg)" >> build.properties;
+
+      - name: Create a gpg key for signing
+        shell: bash
+        run: >-
+          gpg --quick-gen-key --batch --passphrase '' [email protected];
+          echo "batch" >> "/home/runner/.gnupg/gpg.conf";
+          echo "pinentry-mode=loopback" >> "/home/runner/.gnupg/gpg.conf";
+
+      - name: Prepare ant with ivy
+        shell: bash
+        run: ant download-ivy
+
+      - name: Build with Ant and ivy
+        shell: bash
+        run: echo "y" | ant dist # includes jar, test
+
+      - name: License check with rat
+        shell: bash
+        run: ant rat

.gitignore

@@ -55,3 +55,5 @@ bnd.bnd
 
 **/adhoctest/
 AdhocTest*.*
+
+junit*.properties