Use Jenkinsfile for build

Jenkinsfile

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+#!groovy
+
+node('linux && ant && eclipse && jdk && vncserver') {
+	try {
+		def targetBranch = 'development'
+		def minimums = []
+		def isPR = false
+		timestamps() {
+			stage('Checkout') {
+				checkout scm
+				isPR = env.BRANCH_NAME.startsWith('PR-')
+				if (!isPR) {
+					targetBranch = env.BRANCH_NAME
+				} else {
+					targetBranch = env.CHANGE_TARGET
+				}
+			}
+
+			// Copy over dependencies
+			stage('Dependencies') {
+				step([$class: 'CopyArtifact',
+					filter: 'dist/',
+					fingerprintArtifacts: true,
+					projectName: "Studio/studio3/${targetBranch}",
+					target: 'studio3-core'])
+			}
+
+			stage('Build') {
+				env.PATH = "${tool name: 'Ant 1.9.2', type: 'ant'}/bin:${env.PATH}"
+				writeFile file: 'override.properties', text: """scs.branch.name=${targetBranch}
+workspace=${env.WORKSPACE}
+deploy.dir=${env.WORKSPACE}/dist
+buildDirectory=${env.WORKSPACE}
+vanilla.eclipse=${env.ECLIPSE_4_4_HOME}
+launcher.plugin=${env.ECLIPSE_4_4_LAUNCHER}
+builder.plugin=${env.ECLIPSE_4_4_BUILDER}
+configs=win32, win32, x86 & win32, win32, x86_64 & linux, gtk, x86 & linux, gtk, x86_64 & macosx, cocoa, x86 & macosx, cocoa, x86_64
+studio3.p2.repo=file://${env.WORKSPACE}/studio3-core/dist/
+"""
+				timeout(10) {
+					sh 'ant -propertyfile override.properties -f builders/com.aptana.pydev.build/build.xml build'
+				}
+
+				dir('dist') {
+					def zipName = sh(returnStdout: true, script: 'ls *.zip').trim()
+					def version = (zipName =~ /^.*?\-(.+)\.zip/)[0][1]
+					currentBuild.displayName = "#${version}-${currentBuild.number}"
+				}
+				archiveArtifacts artifacts: 'dist/**/*', excludes: 'dist/*.zip'
+			} // end Build stage
+
+			// If not a PR, trigger downstream builds for same branch
+			if (!env.BRANCH_NAME.startsWith('PR-')) {
+				build job: "studio3-feature-${env.BRANCH_NAME}", wait: false
+			}
+		} // end timestamps
+	} catch (e) {
+		// if any exception occurs, mark the build as failed
+		currentBuild.result = 'FAILURE'
+		office365ConnectorSend(message: 'Build failed', status: currentBuild.result, webhookUrl: 'https://outlook.office.com/webhook/ba1960f7-fcca-4b2c-a5f3-095ff9c87b22@300f59df-78e6-436f-9b27-b64973e34f7d/JenkinsCI/5dcba6d96f54460d9264e690b26b663e/72931ee3-e99d-4daf-84d2-1427168af2d9')
+		throw e
+	} finally {
+		step([$class: 'WsCleanup', notFailBuild: true])
+	}
+} // end node