linkNugetPackages and linkNuGetPackagesAndSources can now be disabled by
setting them to false.
linkNugetPackages will use _linkPackages, which is much faster.
Instead of creating a nuget.config in NIX_BUILD_TOP, and depending on
inheritance from sourceRoot, we'll make the required changes directly in
the latter. This fixes packages where sourceRoot is NIX_BUILD_TOP.
Always specify the preConfigurePhases attribute as a list instead of a
string.
Append elements to the preConfigurePhases Bash variable using
appendToVar instead of string or Bash array concatenation.
Always specify the prePhases attribute as a list instead of a string.
Append elements to the prePhases Bash variable using appendToVar
instead of string or Bash array concatenation.
