anchor.diff:  
   let RemovePackageCurrent () =
       let fn = vscode.window.activeTextEditor.document.fileName
  -    if fn.EndsWith(".fsproj") then
  +    if isProject fn then
           "show-installed-packages -s"
           |> execPaket
           |> Helpers.Promise.success (handlePaketList)
  
positive.code: 
  let UpdatePackageCurrent () =
      let fn = vscode.window.activeTextEditor.document.fileName
      if fn.EndsWith(".fsproj") then
          "show-installed-packages -s"
          |> execPaket
          |> Helpers.Promise.success (handlePaketList)
  
negative.code:                 sprintf "remove nuget %s project \"%s\" group %s" name fn group |> spawnPaket)
          |> ignore
      else
          vscode.window.showErrorMessage "project file needs to be opened" |> ignore
  
  let activate(context: vscode.ExtensionContext) =
      let registerCommand com (f: unit->unit) =
  