Sorry, my english is no good.
The installation script delete the ISPConfig folder in a upgrade action when a error.
I'm installing a remote framework in this way.
1.- I edit the compile file, find and remove references to the xml in the php section
2.- Execute the installation of ISPConfig
3.- The script detect a previous installation (v 2.2. 21) and tell me an upgrade
4.- The app is compile and tell me a inexistance of package xml2
4.- I'm install the pakage xml2-dev
5.- The folder ispconfig not exist.
!!!!!!!!!! The instalation script delete the ispconfig folder !!!!!!!!!!
The instalation script does not delete /var/www/*
the instalation script dos not delete /etc/apache2/vhosts/*