Index: ps/trunk/build/jenkins/pipelines/vs2015-differential.Jenkinsfile
===================================================================
--- ps/trunk/build/jenkins/pipelines/vs2015-differential.Jenkinsfile
+++ ps/trunk/build/jenkins/pipelines/vs2015-differential.Jenkinsfile
@@ -0,0 +1,107 @@
+/* Copyright (C) 2019 Wildfire Games.
+ * This file is part of 0 A.D.
+ *
+ * 0 A.D. is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 0 A.D. is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// This pipeline is used to build patches on MSVC 14.0 (Visual Studio 2015).
+
+def jobs = "2"
+pipeline {
+	agent { label 'WindowsSlave' }
+	options {
+		skipDefaultCheckout()
+	}
+
+	parameters {
+		string(name: 'DIFF_ID', defaultValue: '', description: 'ID of the Phabricator Differential.')
+		string(name: 'PHID', defaultValue: '', description: 'Phabricator ID')
+	}
+
+	stages {
+		stage ('Checkout') {
+			options {
+				retry(3)
+			}
+			steps {
+				script {
+					try {
+						svn "https://svn.wildfiregames.com/public/ps/trunk"
+					} catch(e) {
+						bat "svn cleanup"
+						sleep 300
+						throw e
+					}
+				}
+				bat "svn cleanup"
+			}
+		}
+		stage ('Patch') {
+			steps {
+				script {
+					try {
+					 bat "arc patch --diff ${params.DIFF_ID} --force"
+					} catch (e) {
+						bat 'svn revert -R .'
+						bat 'powershell.exe "svn st --no-ignore | %% {$_.substring(8)} | del -r" '
+						bat "arc patch --diff ${params.DIFF_ID} --force"
+					}
+				}
+			}
+		}
+		stage ('Update-Workspace') {
+			steps {
+				bat "(robocopy /MIR C:\\wxwidgets3.0.4\\lib libraries\\win32\\wxwidgets\\lib) ^& IF %ERRORLEVEL% LEQ 1 exit 0"
+				bat "(robocopy /MIR C:\\wxwidgets3.0.4\\include libraries\\win32\\wxwidgets\\include) ^& IF %ERRORLEVEL% LEQ 1 exit 0"
+				bat "cd build\\workspaces && update-workspaces.bat --atlas --build-shared-glooxwrapper --jenkins-tests"
+			}
+		}
+		stage ('Debug: Build') {
+			steps {
+				bat("cd build\\workspaces\\vc2015 && MSBuild.exe pyrogenesis.sln /m:${jobs} /p:PlatformToolset=v140_xp /t:pyrogenesis /t:AtlasUI /t:test /p:Configuration=Debug -clp:Warningsonly -clp:ErrorsOnly ")
+			}
+		}
+		// Debug tests do not work on Windows, see #3753.
+		stage ('Release: Build') {
+			steps {
+				bat("cd build\\workspaces\\vc2015 && MSBuild.exe pyrogenesis.sln /m:${jobs} /p:PlatformToolset=v140_xp /t:pyrogenesis /t:AtlasUI /t:test /p:Configuration=Release -clp:Warningsonly -clp:ErrorsOnly ")
+			}
+		}
+		stage ('Release: Test') {
+			options {
+				timeout(time: 30)
+			}
+			steps {
+				bat 'binaries\\system\\test.exe > cxxtest_release.xml'
+			}
+			post {
+				failure {
+					echo (message: readFile (file: "cxxtest_release.xml"))
+				}
+				always {
+					junit "cxxtest_release.xml"
+				}
+			}
+		}
+	}
+	post {
+		always {
+			step([$class: 'PhabricatorNotifier', commentOnSuccess: true, commentWithConsoleLinkOnFailure: true])
+			bat 'del cxxtest_*.xml'
+			bat 'svn revert -R .'
+			bat 'powershell.exe "svn st binaries/data | %% {$_.substring(8)} | del -r " '
+			bat 'powershell.exe "svn st source/ | %% {$_.substring(8)} | del -r " '
+		}
+	}
+}