Re: [gentoo-dev] [EAPI 7] The future goals for PORTDIR, ECLASSDIR and... LICENSEDIR?

[Michał Górny]

On Sat, 21 Nov 2015 18:49:03 -0500
Ian Stakenvicius <axs@g.o> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> On 21/11/15 06:29 PM, NP-Hardass wrote:
> > Probably not the ideal solution given that you seem to prefer
> > removal of such variables, but a REPODIR variable which is set to
> > the directory where the repo is (basically making PORTDIR dynamic
> > and setting it on a per package basis) could enable developers
> > to reference their repo when needed, allowing variable use in a
> > multi repo system. Additionally, if that idea is liked, I think
> > an array of the repos masters and/or their dirs (or some
> > functions to access that information) could also be useful. Like
> > get_masters and get_repo_dir functions.
> >
>
> - From your description here REPODIR would only point to the current
> repo, so for licence-file access when the license is in the main
> gentoo repo, but the current repo is an overlay, it would still fail.
>
> Similar cases could occur for eclasses, especially since 'masters'
> in repo metadata allows multiple repos to be chained.

There's also the eclass-overrides problem.

> All told, I think i'm in favour of banning the variables, and
> potentially providing getter functions that would output the path of
> these files if they need to be accessed -- '$(get_eclasspath
> [name])' or $(get_licensepath [name]) or the like.  I don't know if
> these could be implemented in-eclass or if they would be something
> that would have to be added to EAPI7..?

get_eclasspath doesn't solve the issue of storing random stuff under
eclass/ subdirectories, I think. And if I understand your idea
correctly, get_licensepath would still not work for binary packages.

-- 
Best regards,
Michał Górny
<http://dev.gentoo.org/~mgorny/>