GitHubSync update

deployment/cake/buildserver.cake

@@ -144,7 +144,14 @@ public class BuildServerIntegration : IIntegration
             {
                 CakeContext.Information("Variable '{0}' is specified via build.cakeoverrides", variableName);
 
-                return sb.ToString();
+                var sbValue = sb.ToString();
+                if (sbValue == "[ignore]" ||
+                    sbValue == "[empty]")
+                {
+                    return string.Empty;
+                }
+
+                return sbValue;
             }
         }
 

deployment/cake/lib-generic.cake

@@ -324,6 +324,9 @@ private static void ConfigureMsBuild(BuildContext buildContext, MSBuildSettings
         msBuildSettings.ToolPath = toolPath;
     }
 
+    // Continuous integration build
+    msBuildSettings.WithProperty("ContinuousIntegrationBuild", "true");
+
     // No NuGet restore (should already be done)
     msBuildSettings.WithProperty("ResolveNuGetPackages", "false");
     msBuildSettings.Restore = false;
@@ -369,6 +372,9 @@ private static void ConfigureMsBuildForDotNetCore(BuildContext buildContext, Dot
         msBuildSettings.ToolPath = toolPath;
     }
 
+    // Continuous integration build
+    msBuildSettings.WithProperty("ContinuousIntegrationBuild", "true");
+
     // No NuGet restore (should already be done)
     msBuildSettings.WithProperty("ResolveNuGetPackages", "false");
     //msBuildSettings.Restore = false;