create a .zip file with nuget packages
diff --git a/templates/src/csharp/build_packages.bat.template b/templates/src/csharp/build_packages.bat.template
index bf831a9..3af66b3 100644
--- a/templates/src/csharp/build_packages.bat.template
+++ b/templates/src/csharp/build_packages.bat.template
@@ -51,6 +51,10 @@
@rem copy resulting nuget packages to artifacts directory
xcopy /Y /I *.nupkg ..\..\artifacts${"\\"}
+ @rem create a zipfile with the artifacts as well
+ powershell -Command "Add-Type -Assembly 'System.IO.Compression.FileSystem'; [System.IO.Compression.ZipFile]::CreateFromDirectory('..\..\artifacts', 'csharp_nugets.zip');"
+ xcopy /Y /I csharp_nugets.zip ..\..\artifacts\
+
goto :EOF
:error