anchor.diff:      %HTTP_CLIENT% %1 %2
       goto EOF
   )
  +powershell -? >nul 2>&1
  +if NOT ERRORLEVEL 9009 (
  +    powershell -Command "& {param($a,$f) (new-object System.Net.WebClient).DownloadFile($a, $f)}" ""%2"" ""%1""
  +    goto EOF
  +)
   wget >nul 2>&1
   if NOT ERRORLEVEL 9009 (
       wget --no-check-certificate -O %1 %2
  
positive.code: 
  setLocal EnableExtensions EnableDelayedExpansion
  
  set LEIN_VERSION=2.3.3
  
  if "%LEIN_VERSION:~-9%" == "-SNAPSHOT" (
      set SNAPSHOT=YES
  
negative.code:     set CURL_PROXY= 
      if NOT "x%HTTPS_PROXY%" == "x" set CURL_PROXY="-x %HTTPS_PROXY%"
      curl %CURL_PROXY% --insecure -f -L -o  %1 %2
      goto EOF
  )
  goto NO_HTTP_CLIENT
  