anchor.diff:      }) "Git/Git.nuspec"
   )
   
  +Target "Summary" (fun _ ->
  +    let tb = getTfsBuild()
  +    let bi = tb.Build.Information
  +    let st = bi.AddBuildStep("build step a", "message of build step a", DateTime.UtcNow, BuildStepStatus.Succeeded)
  +    st.FinishTime <- st.StartTime.AddMinutes 2.
  +    bi.Save()
  +)
  +
  +
   "Clean"
       =?> ("Tfs", isTfsBuild)
       =?> ("BuildVersion", buildServer = BuildServer.AppVeyor)
  
positive.code: open Fake
  open Fake.AssemblyInfoFile
  open SourceLink
  
  type MyListener() =
      interface ITraceListener with
  
negative.code:     ==> "Build"
      =?> ("SourceLink", isMono = false && hasBuildParam "skipSourceLink" = false)
      ==> "NuGet"
      =?> ("Summary", isTfsBuild)
  
  RunTargetOrDefault "NuGet"