ikiwiki/doc/todo/aggregate_to_internal_pages.mdwn

The new internal page feature is designed for something like
[[plugins/aggregate]].

How to transition to it though? inlines of aggregated content would need to
change their pagespecs to use `internal()`.

> [[patch]] in git://git.debian.org/git/users/smcv/ikiwiki.git, branch "aggregate".
> Migration is a two-step process: first change all your pagespecs to use `internal()`, then add `internalize="yes"` to all your aggregate invocations. --smcv.pseudorandom.co.uk

> Thanks for working on this.
> 
> I see one problem, if internalize is flipped on and there are existing
> aggregated pages, htmlfn will not return the right filename for those
> pages when expiring them. Seems that `$was_internal` (or just the full
> source filename) should be recorded on a per-guid basis. Could you do
> that?
> 
> I'm weighing the added complexity of having an internalize option
> (which people would have to add, and would probably forget), with just
> making aggregate create all new pages as internal, and having a flag day
> where all inlines and other uses of aggregated pages have to change
> pagespecs to use `isinternal()`.
> 
> There are real bugs that are fixed by making
> aggregated plugins internal, including:
> - Avoids web edits to aggregated pages. (Arguably a security hole;
>   though they can be locked..)
> - Significant speed improvements.
> - Less disk use.
> 
> If internal has to be manually enabled, people will forget to. I'd rather
> not have to worry about these bugs in the future. So, I'm thinking flag
> day. --[[Joey]]

> OK, there's a simpler approach in the same repository, branch
> "aggregateinternal". It just adds an aggregateinternal option
> for the whole wiki.
>
> On a flag day, everyone has to change their inline directives
> to use `internal()`, after which this option can be switched on.
> When changing the option, you'll have to clean up the mess from
> old aggregated pages by hand, and re-aggregate.
>
> If this is a direction you prefer, the next step would be to
> add support for existing wikis setting this option - for instance
> it could look for non-internal pages that were previously
> aggregated, and convert them to internal, the first time aggregation
> runs. --smcv

> Sure, that seems reasonable. Perhaps `ikiwiki-transition` could be used
> to move the pages, and even, possibly update the pagespecs (not sure how
> it could figure out which ones tho). --[[Joey]]

> I've patched ikiwiki-transition to have an aggregateinternal mode.
> See my aggregateinternal branch, again.
> "ikiwiki-transition aggregateinternal $setupfile" moves the pages around,
> although it doesn't update the pagespecs (I wouldn't know how...) --[[smcv]]

[[!tag patch done]]