Can NuGet edit a config file or only add to it?

Question

I\'ve been working on a NuGet package for my company and one of the requirements is being able to update some of our config files.

I know it\'s possible to add to a

Answer 1

As of NuGet 2.6 and above, you can actually transform Web.config files using the XDT syntax that is used for Web.config transforms in Visual studio.

See http://docs.nuget.org/docs/creating-packages/configuration-file-and-source-code-transformations:

Support for XML-Document-Transform (XDT)

Starting with NuGet 2.6, XDT is supported to transform XML files inside a project. The XDT syntax can be utilized in the .install.xdt and .uninstall.xdt file(s) under the package's Content folder, which will be applied during package installation and uninstallation time, respectively.

For example, to add MyNuModule to web.config file like what's illustrated above, the following section can be used in the web.config.install.xdt file:

On the other hand, to remove only the MyNuModule element during package uninstall, the following section can be used in the web.config.uninstall.xdt file: