On 28. Mar, 2013, at 9:51, Jure Zitnik wrote:
> Hi,
>
> I would like to clarify how we want to handle wikis during install and
> upgrade. This is related to ticket #406, database upgrade to multiproduct.
>
> Currently this is how things are implemented ('system' wikis are wikis that
> we bundle/pre-install):
> 1. clean install:
> - 'system' wikis are being imported into global context
> - default product does not have any of the 'system' wikis, wiki list is empty
>
> 2. upgrade (when upgrading to multiproduct):
> - existing wiki pages (all of them, including 'system' ones) are migrated
> into the default product
> - as a consequence of that, global context is (after upgrade) left w/o any
> wikis
>
> This is a problem as the results of the above are not consistent.
>
> In my opinion we should have consistent setup of 'system' wikis, regardless
> of whether user has just done a clean install or upgraded an existing
> environment. They should always reside in global context.
>
> Therefor I would suggest the following:
> - keep the clean install as it is
> - during upgrade, migrate only 'non-system' (custom) wikis to default product
> - redirect all URLs targeting 'system' wikis in any product scope to global
> scope wikis - this won't break links to 'system' wikis from custom ones
Agreed, this does make more sense. Landing on a blank page after upgrade IMO
doesn't look very promising to the user.
>
> Open questions are:
> - how to get a list of 'system' wikis? Setup enumerates wikis that are being
> imported (trac+bloodhound) using 'os.listdir()'. We could IMO do the same
> during upgrade, the problem is that 'trac-admin wiki bh-upgrade' renames the
> wikis later on, so we'd need to do the same.
I suppose the ones in trac/wiki/default-pages are all 'system' ones.
> - redirecting URLs from product scope to global one actually reserves
> 'system' wiki namespace within all product scopes
I don't see this as much of a drawback.
> - what happens to wiki index (TitleIndexMacro) in the default product and
> global context?
For the global context it may make sense to also list the links to products'
title indexes.
>
> Any comments/opinions?
>
> Cheers,
> Jure
>
>
--
matevz
