anchor.diff:  
   let bundleRepl (fetchNcaveFork: bool) () =
       if fetchNcaveFork then
  -        let fcsFork = "https://github.com/ncave/FSharp.Compiler.Service"
           let fcsFableDir =
               // Appveyor has problems with too long paths so download the fork closer to root
               // TODO: Another option for local Windows Systems (not AppVeyor)
  
positive.code:             Some replacement)
  
          CleanDir fcsFableDir
          Repository.cloneSingleBranch CWD fcsFork "fable2" fcsFableDir
  
          runBashOrCmd fcsFableDir "fcs/build" "CodeGen.Fable"
          Directory.GetFiles(fcsFableDir </> "fcs/fcs-fable/codegen")
  
negative.code:     buildCLI Release ()
      buildSplitter ()
      buildCoreJs ()
      runTestsJS ()
  
      match environVarOrNone "APPVEYOR", environVarOrNone "TRAVIS" with
  