anchor.diff:  ) ELSE (
       powershell -nologo -noprofile -command "try { Invoke-RestMethod -Uri %UPSTREAMAPIURL%/%REPONAME%/releases/latest -Headers @{'Authorization' = 'token %GITHUBTOKEN%'} > latest.json } catch {exit 1}"
   )
  -IF NOT %ERRORLEVEL% == 0 ( ECHO Failed getting latest %REPONAME% release & EXIT /B 1 )
  +IF ERRORLEVEL 1 ( ECHO Failed getting latest %REPONAME% release & EXIT /B 1 )
   REM Get tag for latest release
   FOR /F "tokens=* USEBACKQ" %%F IN (`TYPE latest.json ^| FINDSTR /B "tag_name"`) DO SET TAG=%%F
   FOR /F "tokens=2 delims=: " %%F in ("%TAG%") DO SET TAG=%%F
  
positive.code: SET PREBUILTDIR=prebuilt
  MKDIR %PREBUILTDIR% >NUL 2>&1
  powershell -nologo -noprofile -command "try { (New-Object Net.WebClient).DownloadFile('%DLURL%', '%PREBUILTDIR%\temp.zip') } catch {exit 1}"
  IF NOT %ERRORLEVEL% == 0 ( ECHO Failed downloading %DLURL% & EXIT /B 1 )
  powershell -nologo -noprofile -command "Add-Type -AssemblyName System.IO.Compression.FileSystem; $zip=[System.IO.Compression.ZipFile]::OpenRead('%PREBUILTDIR%\temp.zip'); foreach ($item in $zip.Entries) { try {$file=(Join-Path -Path .\%PREBUILTDIR% -ChildPath $item.FullName); $null=[System.IO.Directory]::CreateDirectory((Split-Path -Path $file)); [System.IO.Compression.ZipFileExtensions]::ExtractToFile($item,$file,$true)} catch {exit 1} }"
  IF NOT %ERRORLEVEL% == 0 ( ECHO Failed extracting downloaded archive & EXIT /B 1 )
  DEL /F /Q %PREBUILTDIR%\\temp.zip
  ECHO.
  EXIT /B %ERRORLEVEL%
  
  :exitOnError
  cd %CURRDIR%
  SET ERROR=1
  
  :exit
  
negative.code:         )
      )
  )
  cd "%CURRDIR%" >NUL
  GOTO exit
  
  REM Function to clone or update a repo
  