anchor.diff:              w.Write("#r ")
               writeString path
               w.WriteLine()
  -        writeRef (fakeDir +/ "NuGet.Core.dll")
  -        writeRef (fakeDir +/ "FakeLib.dll")
  +        writeRef (fakeDir @@ "NuGet.Core.dll")
  +        writeRef (fakeDir @@ "FakeLib.dll")
           for r in refs do
               writeRef r
           w.ToString()
  
positive.code:         DoConfigureOnly env && DoRunOnly env
  
      let DoInit (env: CommandEnvironment) =
          let bootScript = env.CurrentDirectory +/ "conf.fsx"
          let buildScript = env.CurrentDirectory +/ "build.fsx"
          if File.Exists bootScript || File.Exists buildScript then
              env.SendMessage("Already exists: conf.fsx or build.fsx")
              false
  
negative.code:             |> Seq.iter (fun r -> assemblyRefs.Add(r.AssemblyName) |> ignore)
              pkg.AssemblyReferences
              |> Seq.filter (fun r -> IsSupported config r.SupportedFrameworks)
              |> Seq.map (fun r -> config.NuGetPackagesDirectory @@ dir @@ r.Path)
              |> SortAssemblyFilesByReferenceOrder
              |> Seq.iter pkgRefs.Enqueue)
          Seq.append assemblyRefs pkgRefs
  