You can clone with
HTTPS or Subversion.
we are using the new archive.php with the domain "networker-hosting.de", the ".....-h...." in the domain is misinterpreted as a call for help ;)
Keywords: archive cron -h
Thanks, I'm not proud of that one ;)
Fixed in 
If you wish to fix your archive.php, replace the function isParameterSet() by the new one at bottom of https://github.com/piwik/piwik/blob/master/misc/cron/archive.php