anchor.diff:      with
       | exn -> new Exception("Could not detect package version for " + package, exn) |> raise
   
  -Target.create "UpdateFsxVersions" (fun _ ->
  -    let packages = [ "FSharp.Compiler.Service" ]
  -    let replacements =
  -        packages |> Seq.map (fun packageName ->
  -            sprintf "/%s.(.*)/lib" packageName,
  -
  -            sprintf "/%s.%s/lib" packageName (getPackageVersion "packages" packageName)
  -        )
  -    let path = "./packages/FSharp.Formatting/FSharp.Formatting.fsx"
  -    let text = File.ReadAllText(path)
  -    let text =
  -        (text, replacements)
  -        ||> Seq.fold (fun text (pattern, replacement) ->
  -            Text.RegularExpressions.Regex.Replace (text, pattern, replacement)
  -        )
  -    File.WriteAllText(path, text)
  -)
  -
   
   // Build library
   // --------------------------------------------------------------------------------------
  
positive.code:   //==> "InstallDotnetcore"
    ==> "AssemblyInfo"
    ==> "CopyFSharpCore"
  //  ==> "SetupLibForTests"
    ==> "Build"
    ==> "BuildTests"
  
  "Build"
    ==> "All"
  
  
  "BuildTests"
    ==> "DotnetTests"
  
negative.code:         File.Copy (source, binDest2, true)
  )
  
  
  
  Target.create "NuGet" (fun _ ->
  