I'm really delighted to see you diving this deep into the code.
Unfortunately I can't really tell you anything useful here. Kito is the
man with the knowledge here.
As far as the webapp eclass concerns, if I recall correctly, there are
some nasty things going in there, like calling emerge, but I think the
problem you have is sort of generic.
On 28-04-2006 11:45:30 -0700, Christopher Chan wrote:
> Hi all,
> I've been working to get phpBB (along with webapp.eclass & webapp-config) to
> work in prefixed environment. I've succeeded in getting those things
> working and deployed in prefix, but during that process, I discovered
> problems with scripts or commands that use portage within an ebuild or
> In my case, webapp.eclass uses webapp-config, and it imports portage. But
> portage sets 'root' from ROOT environment variable and we, in turn, append
> EPREFIX to it. This does not work within an eclass or ebuild because ROOT
> already has the EPREFIX so webapp-config fails. I also noticed that
> has_version() eventually calls portageq which has the same problem.
> Has anyone else ran into this scenario?
> In any case, I hacked portage.py to reset root to '/' if ROOT = EPREFIX
> Looks like this:
> if os.environ.has_key("ROOT"):
> + ## cchan - HACK for when portage is being called within an
> + if root == portage_const.EPREFIX: root="/"
> if not len(root):
> elif root[-1]!="/":
> Thoughts from others?
> BTW, I would be happy to submit my work on webapp.eclass, webapp-config, and
> other ebuilds.
Gentoo for Mac OS X Project
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