Update pr-validation job and tycho scm parameters

Jenkinsfile

@@ -0,0 +1,62 @@
+pipeline {
+	options {
+		timeout(time: 60, unit: 'MINUTES')
+		buildDiscarder(logRotator(numToKeepStr:'5'))
+		timestamps()
+	}
+	agent {
+		label "centos-7"
+	}
+	tools {
+		maven 'apache-maven-latest'
+		jdk 'openjdk-jdk11-latest'
+	}
+	stages {
+		stage('Build') {
+			steps {
+				wrap([$class: 'Xvnc', useXauthority: true]) {
+					sh """#!/bin/bash -x
+
+					/opt/tools/java/openjdk/jdk-11/latest/bin/java -version
+					java -version
+
+					df -k
+					mkdir -p $WORKSPACE/tmp
+
+					unset JAVA_TOOL_OPTIONS
+					unset _JAVA_OPTIONS
+					MAVEN_OPTS="-Xmx4G"
+					mvn -U clean verify --batch-mode --fail-at-end -Dmaven.repo.local=$WORKSPACE/.m2/repository \
+					-Pbuild-individual-bundles -Ptest-on-javase-17 -Pbree-libs -Papi-check -Dtycho.version=2.7.0 \
+					-Djava.io.tmpdir=$WORKSPACE/tmp -Dcompare-version-with-baselines.skip=false -Dproject.build.sourceEncoding=UTF-8 \
+					-Dtycho.surefire.argLine="--add-modules ALL-SYSTEM -Dcompliance=1.8,11,17 -Djdt.performance.asserts=disabled" 
+					"""
+				}
+			}
+			post {
+				always {
+					sh"""df -k
+					"""
+					archiveArtifacts artifacts: '*.log,*/target/work/data/.metadata/*.log,*/tests/target/work/data/.metadata/*.log,apiAnalyzer-workspace/.metadata/*.log', allowEmptyArchive: true
+					recordIssues aggregatingResults: true, enabledForFailure: true, qualityGates: [[threshold: 1, type: 'DELTA', unstable: false]], tools: [acuCobol()]
+					publishIssues issues:[scanForIssues(tool: java()), scanForIssues(tool: mavenConsole())]
+					junit '**/target/surefire-reports/*.xml'
+				}
+			}
+		}
+		stage('Check freeze period') {
+			when {
+				not {
+					branch 'master'
+				}
+			}
+			steps {
+				sh "wget https://download.eclipse.org/eclipse/relengScripts/scripts/verifyFreezePeriod.sh"
+				sh "chmod +x verifyFreezePeriod.sh"
+				withCredentials([string(credentialsId: 'google-api-key', variable: 'GOOGLE_API_KEY')]) {
+					sh './verifyFreezePeriod.sh'
+				}
+			}
+		}
+	}
+}

pom.xml

@@ -24,7 +24,7 @@
   <packaging>pom</packaging>
 
   <properties>
-    <tycho.scmUrl>scm:git:https://git.eclipse.org/r/jdt/eclipse.jdt.core.git</tycho.scmUrl>
+    <tycho.scmUrl>scm:git:https://github.com/eclipse-jdt/eclipse.jdt.core.git</tycho.scmUrl>
   </properties>
 
   <!--