dotnet-sdk: add test for single-file compilation

        package = finalAttrs.finalPackage;

      };

      smoke-test = runCommand "dotnet-sdk-smoke-test" {

      console = runCommand "dotnet-test-console" {

        nativeBuildInputs = [ finalAttrs.finalPackage ];

      } ''

        HOME=$(pwd)/fake-home

        dotnet new console --no-restore

        dotnet restore --source "$(mktemp -d)"

        dotnet build --no-restore

        output="$(dotnet run --no-build)"

        dotnet new nugetconfig

        dotnet nuget disable source nuget

        dotnet new console -n test -o .

        output="$(dotnet run)"

        # yes, older SDKs omit the comma

        [[ "$output" =~ Hello,?\ World! ]] && touch "$out"

      '';

      single-file = let build = runCommand "dotnet-test-build-single-file" {

        nativeBuildInputs = [ finalAttrs.finalPackage ];

      } ''

        HOME=$(pwd)/fake-home

        dotnet new nugetconfig

        dotnet nuget disable source nuget

        dotnet nuget add source ${finalAttrs.finalPackage.packages}

        dotnet new console -n test -o .

        dotnet publish --use-current-runtime -p:PublishSingleFile=true -o $out

      ''; in runCommand "dotnet-test-run-single-file" {} ''

        output="$(${build}/test)"

        # yes, older SDKs omit the comma

        [[ "$output" =~ Hello,?\ World! ]] && touch "$out"

      '';