[TYPO3-core] New installer and symlinked directory

[Alexander Opitz]

Hey Christian,

> The folder structure throws 3 different types of messages: ok, warning
> and error. Warning is given for "fixable" errors (node does not exist or
> has wrong permissions), error for things the structure code can not fix.
> This is the case for example if some node is not of the expected type,
> eg. if its a link, but if it should be a directory: The folder structure
> code can not change this, since this is probably intended by the admin
> and tons of problems could occur if the code starts fiddling with such
> situations.

That's ok, as you can't predict why something is as it is.

> Currently, LocalConfiguration is only created in step "Environment and
> folders", if the folder structure execution did *not* throw an error. I
> first thought this would be clever, but maybe it would be better to
> force creation of LocalConfiguration in case "I now what I'm doing" was
> clicked. This will execute the step successfully in those cases. A patch
> in this area could relax that.

Do I need to fill an issue?

> There is one drawback, though: The folder structure will be checked to
> determine if a core minor upgrade is possible or not (if the GSoC
> project succeeds). So, the folder structure defines the "standard"
> directory and folder layout. If you differ from that (eg. because your
> docroot is not a directory but a link to somewhere), the updater will
> deny execution of the upgrade (because unexpected things may happen that
> can potentially commit hazard to the server). So, if you're doing such
> things, you are partly "out of support".

That's no problem for me (and many others) as the upgrades will be done 
by the agency.

Greetings Alex//