WiX v4 not honoring NUGET_PACKAGES environment variable

[dbengle]

Bugs

If this issue is a bug:

• Which version of WiX are you building with?

WiX 4.0.2

• Which version of Visual Studio are you building with (if any)?

Visual Studio 2022 17.7.4

• Which version of the WiX Toolset Visual Studio Extension are you building with (if any)?

Heat for VS2022

• Which version of .NET are you building with?

4.8

• If the problem occurs when installing your packages built with WiX, what is the version of Windows the package is running on?

n/a

• Describe the problem and the steps to reproduce it.

If you have NuGet configured to use an alternate folder for the global packages cache, via the NUGET_PACKAGES environment variable and the NuGet.config file, Wix will not find the Wix NuGet extension packages.

For example, I have set the environment variable as: NUGET_PACKAGES=C:\Packages

My NuGet.config file:

• Describe the behavior you expected and how it differed from the actual behavior.

WiX should honor the NUGET_PACKAGES folder and look there.

The GetCacheLocations() function in ExtensionManager.cs should be updated to include the NUGET_PACKAGES environment variable folder in the list of location to look for NuGet extension packages.