anchor.diff:  open Fake.IO.Globbing.Operators
   open Fake.IO.FileSystemOperators
   open Fake.Tools.Git
  -open Fake.Core.Environment
   
   module Util =
   
  
positive.code:     ++ "src/**/obj"
      ++ "templates/**/bin"
      ++ "templates/**/obj"
      |> Seq.iter Shell.CleanDir
  )
  
  Target.create "Install" (fun _ ->
  
negative.code:     if needsPublishing versionRegex releaseNotes projFile then
          let projDir = Path.GetDirectoryName(projFile)
          let nugetKey =
              match  Environment.environVarOrNone "NUGET_KEY" with
              | Some nugetKey -> nugetKey
              | None -> failwith "The Nuget API key must be set in a NUGET_KEY environmental variable"
          (versionRegex, projFile)
  