anchor.diff:  SET ECLIPSE_INSTALLER_ARCHIVE=org.eclipse.oomph.setup.installer.product-win32.win32.x86_64.zip
   SET ECLIPSE_INSTALLER=%ECLIPSE_INSTALLER_ARCHIVE:~0,-4%
   
  -powershell -nologo -noprofile -command "%POWERSHELL_TITLE%;if ( Test-Path %DL%\%ECLIPSE_INSTALLER_ARCHIVE% ) { Write-Output '   - skipping download, cause file exists - %DL%\%ECLIPSE_INSTALLER_ARCHIVE%' } else { Write-Output '   - downloading archive %ECLIPSE_INSTALLER_WEB%/%ECLIPSE_INSTALLER_ARCHIVE%';$browser = New-Object System.Net.WebClient; $browser.Proxy.Credentials =[System.Net.CredentialCache]::DefaultNetworkCredentials; $browser.DownloadFile('%ECLIPSE_INSTALLER_WEB%/%ECLIPSE_INSTALLER_ARCHIVE%','%DL%\%ECLIPSE_INSTALLER_ARCHIVE%')}"
  +powershell -ExecutionPolicy UnRestricted -nologo -noprofile -command "%POWERSHELL_TITLE%;if ( Test-Path %DL%\%ECLIPSE_INSTALLER_ARCHIVE% ) { Write-Output '   - skipping download, cause file exists - %DL%\%ECLIPSE_INSTALLER_ARCHIVE%' } else { Write-Output '   - downloading archive %ECLIPSE_INSTALLER_WEB%/%ECLIPSE_INSTALLER_ARCHIVE%';$browser = New-Object System.Net.WebClient; $browser.Proxy.Credentials =[System.Net.CredentialCache]::DefaultNetworkCredentials; $browser.DownloadFile('%ECLIPSE_INSTALLER_WEB%/%ECLIPSE_INSTALLER_ARCHIVE%','%DL%\%ECLIPSE_INSTALLER_ARCHIVE%')}"
   IF "%ERRORLEVEL%"=="" (
       ECHO failing downloading file %ECLIPSE_INSTALLER_WEB%/%ECLIPSE_INSTALLER_ARCHIVE%
       GOTO END
   )
   
  -powershell -nologo -noprofile  -command "%POWERSHELL_TITLE%;if ( Test-Path '%SCRIPT_PATH%\%ECL_INST_NAME%' -PathType Container )  { Write-Output '   - skipping extraction, cause folder exists - %SCRIPT_PATH%\%ECL_INST_NAME%' } else { Write-Output '   - extracting ECLIPSE_INSTALLER archive to %SCRIPT_PATH%\%ECL_INST_NAME%'; Add-Type -A System.IO.Compression.FileSystem; [IO.Compression.ZipFile]::ExtractToDirectory('%DL%\%ECLIPSE_INSTALLER_ARCHIVE%', '%SCRIPT_PATH%\%ECL_INST_NAME%')}"
  +powershell -ExecutionPolicy UnRestricted -nologo -noprofile  -command "%POWERSHELL_TITLE%;if ( Test-Path '%SCRIPT_PATH%\%ECL_INST_NAME%' -PathType Container )  { Write-Output '   - skipping extraction, cause folder exists - %SCRIPT_PATH%\%ECL_INST_NAME%' } else { Write-Output '   - extracting ECLIPSE_INSTALLER archive to %SCRIPT_PATH%\%ECL_INST_NAME%'; Add-Type -A System.IO.Compression.FileSystem; [IO.Compression.ZipFile]::ExtractToDirectory('%DL%\%ECLIPSE_INSTALLER_ARCHIVE%', '%SCRIPT_PATH%\%ECL_INST_NAME%')}"
   
   ECHO    - copying latest java %JAVA8%\jre into %SCRIPT_PATH%\%ECL_INST_NAME%\jre
   IF NOT EXIST %SCRIPT_PATH%\%ECL_INST_NAME%\jre\NUL (
  
positive.code: ECHO.
  ECHO # downloading and configuring Java via %GITHUB_IO_BOOT%/%JAVA_CMD%
  ECHO.
  powershell -nologo -noprofile  -command "%POWERSHELL_TITLE%;if ( Test-Path %DL%\%JAVA_CMD% ) { Write-Output 'skipping download, cause file exists - %DL%\%JAVA_CMD%' } else {(New-Object System.Net.WebClient).DownloadFile('%GITHUB_IO_BOOT%/%JAVA_CMD%','%DL%\%JAVA_CMD%')}"
  IF "%ERRORLEVEL%"=="" (
      ECHO failing downloading file %GITHUB_IO_BOOT%/%JAVA_CMD%
      GOTO END
  
negative.code: ECHO.
  
  :: download of a file with powershell - http://superuser.com/a/423789/344922
  powershell -ExecutionPolicy UnRestricted -nologo -noprofile -command "%POWERSHELL_TITLE%; $browser = New-Object System.Net.WebClient; $browser.Proxy.Credentials =[System.Net.CredentialCache]::DefaultNetworkCredentials; $browser.DownloadFile('%GITHUB_IO%/%BRANCH%/%GITHUB_IO_LATEST%','%DL%\%BRANCH%_%GITHUB_IO_LATEST%')"
  SET /P LATEST=<%DL%\%BRANCH%_%GITHUB_IO_LATEST%
  ECHO found latest build ^<%LATEST%^> from %GITHUB_IO%/%BRANCH%/%GITHUB_IO_LATEST%
  ECHO.
  