Add Maven project and CI

.github/workflows/build.yml

@@ -0,0 +1,72 @@
+name: GitHub Actions Build
+
+on:
+  push:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+concurrency:
+  group: "workflow = ${{ github.workflow }}, ref = ${{ github.event.ref }}, pr = ${{ github.event.pull_request.id }}"
+  cancel-in-progress: ${{ github.event_name == 'pull_request' || github.repository != 'hibernate/hibernate-github-bot-playground' }}
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  MAVEN_ARGS: "-e -B --fail-at-end"
+
+jobs:
+  build:
+    name: ${{matrix.os.name}}
+    runs-on: ${{ matrix.os.runs-on }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - {
+            name: "Linux JDK 17",
+            runs-on: 'ubuntu-latest',
+            java: {
+              version: 17
+            }
+          }
+          # We can't start Linux containers on GitHub Actions' Windows VMs,
+          # so we can't run Elasticsearch tests.
+          # See https://github.com/actions/runner-images/issues/1143#issuecomment-972929995
+          - {
+            name: "Windows JDK 17",
+            runs-on: 'windows-latest',
+            java: {
+              version: 17
+            }
+          }
+    steps:
+      - name: Support longpaths on Windows
+        if: "startsWith(matrix.os.runs-on, 'windows')"
+        run: git config --global core.longpaths true
+      - uses: actions/checkout@v4
+        with:
+          # Fetch the whole history to make sure that gitflow incremental builder
+          # can find the base commit.
+          fetch-depth: 0
+      - name: Set up Java ${{ matrix.os.java.version }}
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.os.java.version }}
+          distribution: temurin
+      - name: Set up Maven
+        run: ./mvnw -v
+      - name: Building code and running unit tests and basic checks
+        run: |
+          ./mvnw $MAVEN_ARGS ${{ matrix.os.maven.args }} clean install \
+          -Pjqassistant -Pdist -Pci-build -DskipITs
+        env:
+          GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
+      - name: Running integration tests in the default environment
+        run: |
+          ./mvnw $MAVEN_ARGS ${{ matrix.os.maven.args }} clean verify \
+          -Pskip-checks \
+          ${{ github.event.pull_request.base.ref && format('-Dincremental -Dgib.referenceBranch=refs/remotes/origin/{0}', github.event.pull_request.base.ref) || '' }}
+        env:
+          GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}

.gitignore

@@ -37,3 +37,6 @@ nb-configuration.xml
 
 # Local environment
 .env
+
+# Gradle Enterprise/Develocity
+/.mvn/.gradle-enterprise

.mvn/extensions.xml

@@ -0,0 +1,12 @@
+<extensions>
+    <extension>
+        <groupId>com.gradle</groupId>
+        <artifactId>gradle-enterprise-maven-extension</artifactId>
+        <version>1.20.1</version>
+    </extension>
+    <extension>
+        <groupId>com.gradle</groupId>
+        <artifactId>common-custom-user-data-maven-extension</artifactId>
+        <version>1.13</version>
+    </extension>
+</extensions>

.mvn/gradle-enterprise.xml

@@ -0,0 +1,41 @@
+<gradleEnterprise
+        xmlns="https://www.gradle.com/gradle-enterprise-maven" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="https://www.gradle.com/gradle-enterprise-maven https://www.gradle.com/schema/gradle-enterprise-maven.xsd">
+    <server>
+        <url>https://ge.hibernate.org</url>
+        <allowUntrusted>false</allowUntrusted>
+    </server>
+    <buildScan>
+        <!-- adjust conditions ?
+        mvn gradle-enterprise:provision-access-key
+        https://docs.gradle.com/enterprise/maven-extension/#publishing_based_on_criteria
+         -->
+        <!-- build scan publication is configured in gradle-enterprise-custom-user-data.groovy
+        to leverage options to disable build scan publication for test builds
+        -->
+        <!--
+        Expression support is documented here: https://docs.gradle.com/enterprise/maven-extension/#expression_support
+        -->
+        <obfuscation>
+          <!-- Don't share ip addresses-->
+          <ipAddresses>#{{'0.0.0.0'}}</ipAddresses>
+        </obfuscation>
+        <capture>
+          <goalInputFiles>true</goalInputFiles>
+        </capture>
+        <!-- https://docs.gradle.com/enterprise/maven-extension/#manual_access_key_configuration -->
+        <backgroundBuildScanUpload>#{env['CI'] == null}</backgroundBuildScanUpload>
+    </buildScan>
+    <buildCache>
+        <local>
+            <enabled>#{properties['no-build-cache'] == null}</enabled>
+        </local>
+        <remote>
+            <enabled>#{properties['no-build-cache'] == null}</enabled>
+            <storeEnabled>#{env['CI'] != null and (env['CHANGE_ID']?:'').isBlank() and (env['GITHUB_BASE_REF']?:'').isBlank() and !(env['GRADLE_ENTERPRISE_ACCESS_KEY']?:'').isBlank()}</storeEnabled>
+            <server>
+                <url>https://ge.hibernate.org/cache/hsearchtest01/</url>
+            </server>
+        </remote>
+    </buildCache>
+</gradleEnterprise>

.mvn/jvm.config

@@ -0,0 +1 @@
+--add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.nio=ALL-UNNAMED

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,18 @@
+# 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.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.6/apache-maven-3.9.6-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

Jenkinsfile

@@ -0,0 +1,68 @@
+def withMavenWorkspace(Closure body) {
+	withMaven(jdk: 'OpenJDK 17 Latest', maven: 'Apache Maven 3.9',
+			mavenLocalRepo: env.WORKSPACE_TMP + '/.m2repository',
+			options: [
+					artifactsPublisher(disabled: true),
+					junitPublisher(disabled: true)
+			]) {
+		withCredentials([string(credentialsId: 'ge.hibernate.org-access-key',
+				variable: 'GRADLE_ENTERPRISE_ACCESS_KEY')]) {
+			withGradle { // withDevelocity, actually: https://plugins.jenkins.io/gradle/#plugin-content-capturing-build-scans-from-jenkins-pipeline
+				body()
+			}
+		}
+	}
+}
+
+pipeline {
+	agent none
+	options {
+		buildDiscarder logRotator(daysToKeepStr: '10', numToKeepStr: '3')
+		disableConcurrentBuilds(abortPrevious: true)
+	}
+	stages {
+		stage('Default build') {
+			agent {
+				label 'Worker&&Containers'
+			}
+			steps {
+				timeout(time: 30, unit: 'MINUTES') {
+					withMavenWorkspace {
+						sh "mvn clean install -U -Pdist -DskipTests"
+						dir(env.WORKSPACE_TMP + '/.m2repository') {
+							stash name: 'original-build-result', includes: "org/hibernate/infra/"
+						}
+					}
+				}
+			}
+		}
+		stage('Non-default envs') {
+			matrix {
+				axes {
+					axis {
+						name 'ENV_NAME'
+						values 'elasticsearch-7', 'postgresql', 'opensearch-2.12'
+					}
+				}
+				stages {
+					stage('Build') {
+						agent {
+							label 'Worker&&Containers'
+						}
+						steps {
+							dir(env.WORKSPACE_TMP + '/.m2repository') {
+								unstash name: 'original-build-result'
+							}
+							withMavenWorkspace {
+								sh """ \
+							mvn clean install -U -Pdependency-update -Pdist -Pci-build -Dscan.tag.${env.ENV_NAME} \
+							--fail-at-end \
+						"""
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+}