anchor.diff:      exit /b 1
   )
   
  -if not defined __BuildAgainstPackages goto SkipPrepForPublish
  +if not defined __ZipTests goto SkipPrepForPublish
   
   set __BuildLogRootName=Helix_Prep
   set __BuildLog=%__LogsDir%\%__BuildLogRootName%_%__BuildOS%__%__BuildArch%__%__BuildType%.log
  
positive.code: set processedArgs=
  set __unprocessedBuildArgs=
  set __RunArgs=
  set __BuildAgainstPackages=
  set __BuildAgainstPackagesArg=
  set __RuntimeId=
  
  :Arg_Loop
  if "%1" == "" goto ArgsDone
  
negative.code: echo     ubuntu.14.04-x64: Builds overlay for Ubuntu 14.04
  echo     ubuntu.16.04-x64: Builds overlay for Ubuntu 16.04
  echo     ubuntu.16.10-x64: Builds overlay for Ubuntu 16.10
  echo ziptests: zips CoreCLR tests & Core_Root for a Helix run
  echo Exclude- Optional parameter - specify location of default exclusion file (defaults to tests\issues.targets if not specified)
  echo     Set to "" to disable default exclusion file.
  echo -- ... : all arguments following this tag will be passed directly to msbuild.
  