anchor.diff:  :: Direct download URL http://download-codeplex.sec.s-msft.com/Download/Release?ProjectName=wix&DownloadId=1587180&FileTime=131118854877130000&Build=21050
   :: We use a mirror of Wix storage on Azure blob storage as the above link can be slow...
   set WIX_DOWNLOAD_URL="https://azurecliprod.blob.core.windows.net/msi/wix310-binaries-mirror.zip"
  -set TAR_DOWNLOAD_URL="https://azurecliprod.blob.core.windows.net/msi/tar-1.13-1-bin.zip"
  -set GZIP_DOWNLOAD_URL=http://www.gzip.org/gzip124xN.exe
   
   set PYTHON_DOWNLOAD_URL=https://www.python.org/ftp/python/%PYTHON_VERSION%/python-%PYTHON_VERSION%.exe
   
  
positive.code: set TEMP_CLI_FOLDER=zcli
  set TEMP_SCRATCH_FOLDER=zcli_scratch
  set TEMP_WIX_FOLDER=zwix
  set TEMP_TAR_FOLDER=zTar
  set TEMP_GZIP_FOLDER=zgzip
  set TEMP_PYTHON_FOLDER=zPython
  set BUILDING_DIR=%HOMEDRIVE%%HOMEPATH%\%TEMP_CLI_FOLDER%
  set SCRATCH_DIR=%HOMEDRIVE%%HOMEPATH%\%TEMP_SCRATCH_FOLDER%
  set WIX_DIR=%HOMEDRIVE%%HOMEPATH%\%TEMP_WIX_FOLDER%
  set GZIP_DIR=%HOMEDRIVE%%HOMEPATH%\%TEMP_GZIP_FOLDER%
  set TAR_DIR=%HOMEDRIVE%%HOMEPATH%\%TEMP_TAR_FOLDER%
  set PYTHON_DIR=%HOMEDRIVE%%HOMEPATH%\%TEMP_PYTHON_FOLDER%
  
  pushd %HOMEDRIVE%%HOMEPATH%
  
negative.code:     popd
  )
  
  popd
  
  :: Download & unzip CLI archive
  pushd %BUILDING_DIR%
  echo Downloading CLI archive version %CLIVERSION%
  curl -o cli-archive.tar.gz %CLI_ARCHIVE_DOWNLOAD_URL% -k
  curl -o 7zipsetup.exe http://www.7-zip.org/a/7z1604-x64.exe -k
  7zipsetup.exe /S
  "C:\Program Files\7-Zip\7z.exe" x -r cli-archive.tar.gz
  "C:\Program Files\7-Zip\7z.exe" x -r azure-cli_packaged_%CLIVERSION%.tar
  echo Extracted.
  del 7zipsetup.exe
  del cli-archive.tar.gz
  del azure-cli_packaged_%CLIVERSION%.tar
  if %errorlevel% neq 0 goto ERROR
  echo Downloaded and extracted CLI archive successfully.
  popd
  