from @David
One small optimization that would be nice to have is to omit this message if all packages are already installed
Restoring NuGet packages...
To prevent NuGet from downloading packages during build, open the Visual Studio Options dialog, click on the Package Manager node and uncheck 'Allow NuGet to download missing packages'.
Installing 'DotNetOpenAuth.OAuth.Consumer 4.1.4.12333'.
One small optimization that would be nice to have is to omit this message if all packages are already installed
Restoring NuGet packages...
To prevent NuGet from downloading packages during build, open the Visual Studio Options dialog, click on the Package Manager node and uncheck 'Allow NuGet to download missing packages'.
Installing 'DotNetOpenAuth.OAuth.Consumer 4.1.4.12333'.