anchor.diff:  /// Determines the current BuildVersion and if it is a local build
   let buildVersion,buildServer =     
       let getVersion = getBuildParamOrDefault "buildVersion"
  +    if hasBuildParam "jenkins_home" then getVersion jenkinsBuildNumber,Jenkins else
       if not (isNullOrEmpty tcBuildNumber) then getVersion tcBuildNumber,TeamCity else
       if not (isNullOrEmpty ccBuildLabel) then getVersion ccBuildLabel,CCNet else 
       getVersion localBuildLabel,LocalBuild
  
positive.code: let mutable xmlOutputFile = getBuildParamOrDefault "logfile" @".\output\Results.xml"
  
  /// Build number retrieved from TeamCity
  let tcBuildNumber = environVar "BUILD_NUMBER" 
  
  /// CruiseControl.NET Build label
  let ccBuildLabel = environVar "CCNETLABEL"
  
negative.code: /// The BuildServer type.
  type BuildServer =
  | TeamCity
  | CCNet
  | Jenkins
  | LocalBuild
  
  /// The trace Mode type.
  