[Build] Checkout equinox and equinox.binaries repositories side by side

Jenkinsfile

@@ -1,5 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2021, 2024 Red Hat Inc. and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Mickael Istria (Red Hat Inc.) - initial API and implementation
+  *******************************************************************************/
+
+def isOnMainIshBranch() {
+	return env.BRANCH_NAME == ('master') || env.BRANCH_NAME ==~ 'R[0-9]+_[0-9]+_maintenance'
+}
+
 pipeline {
 	options {
+		skipDefaultCheckout() // Specialiced checkout is performed below
+		timestamps()
 		timeout(time: 40, unit: 'MINUTES')
 		buildDiscarder(logRotator(numToKeepStr:'5'))
 		disableConcurrentBuilds(abortPrevious: true)
@@ -12,23 +32,33 @@ pipeline {
 		jdk 'temurin-jdk17-latest'
 	}
 	environment {
-		EQUINOX_BINARIES_LOC = "$WORKSPACE/rt.equinox.binaries"
+		EQUINOX_BINARIES_LOC = "$WORKSPACE/equinox.binaries"
 	}
 	stages {
-		stage('get binaries') {
+		stage('Checkout SCM') {
 			steps{
-				dir ('rt.equinox.binaries') {
-					checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [[$class: 'CloneOption', timeout: 120]], submoduleCfg: [], userRemoteConfigs: [[url: 'https://github.com/eclipse-equinox/equinox.binaries.git']]])
+				dir('equinox') {
+					checkout scm
+				}
+				dir('equinox.binaries') {
+					checkout([$class: 'GitSCM',
+						branches: [[name: "*/${isOnMainIshBranch() ? env.BRANCH_NAME : 'master'}"]],
+						doGenerateSubmoduleConfigurations: false,
+						extensions: [[$class: 'CloneOption', timeout: 120]],
+						userRemoteConfigs: [[url: 'https://github.com/eclipse-equinox/equinox.binaries.git']]
+					])
 				}
 			}
 		}
 		stage('Build') {
 			steps {
-				sh """
-				mvn clean verify --batch-mode --fail-at-end -Dmaven.repo.local=$WORKSPACE/.m2/repository \
-					-Pbree-libs -Papi-check -Pjavadoc\
-					-Drt.equinox.binaries.loc=$WORKSPACE/rt.equinox.binaries 
-				"""
+				dir('equinox') {
+					sh '''
+						mvn clean verify --batch-mode --fail-at-end -Dmaven.repo.local=$WORKSPACE/.m2/repository \
+							-Pbree-libs -Papi-check -Pjavadoc\
+							-Drt.equinox.binaries.loc=$WORKSPACE/equinox.binaries
+					'''
+				}
 			}
 			post {
 				always {