Re: [gentoo-dev] RFC: Portage QA check for FHS/Gentoo policy paths, for top-level dirs and /usr/share/doc

[Sergei Trofimovich <slyfox@gentoo.org>]

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On Mon, 1 Oct 2018 13:48:46 -0700
Zac Medico <zmedico@gentoo.org> wrote:

> On 10/01/2018 01:04 PM, Sergei Trofimovich wrote:
> > On Mon, 1 Oct 2018 08:19:29 -0700
> > Zac Medico <zmedico@gentoo.org> wrote:
> >   
> >> Hi all,
> >>
> >> The ~arch version of portage hs a new QA check that reports installation
> >> of files outside of directories that have been whitelisted [1]. The
> >> current whitelist includes:
> >>
> >> directories common to / and /usr
> >> ================================
> >> bin lib lib32 lib64 libx32 sbin
> >>
> >> top level directories
> >> ================================
> >> boot dev etc opt srv usr var
> >>
> >> /usr level directories
> >> ================================
> >> include libexec share src
> >>
> >> /usr/share/doc level directories
> >> ================================
> >> /usr/share/doc/${PF}  
> > 
> > As this will break existing ebuilds I'd suggest guarding it against
> > next EAPI. Out of top of by head the change will break at least
> > crossdev outright. At least for two reasons:
> > 1. building a gcc cross-compiler usually refers to $SYSROOT/sys-include.
> >    'git grep sys-include' will show a bunch of ebuilds that create that
> >    symlinks outside the space.
> > 2. cross-building target libc is currently done on the host's emerge
> >   and installs into /usr/$CTARGET/.
> > 
> > I think whitelist would be able to cover these use cases as they are
> > a function of ${CTARGET} (or $CATEGORY) value.  
> 
> The QA check currently does not die, it only calls eqawarn. So the worst
> case is a message like this:
> 
> > QA: other
> > The ebuild is installing to one or more unexpected paths:
> >
> >   /usr/share/doc/qt-5.11.1
> >
> > Please fix the ebuild to use correct FHS/Gentoo policy paths.  
> 
> It will be annoying if this message triggers for every package installed
> by crossdev, so we should do something about that.

Ah, QA warning is fine. We'll have some time to address it.

For crossdev it should be only libc packages that do unusual paths
(their initial version is installed into /. We'll fix it like
https://bugs.gentoo.org/642604#c6 but it takes time).

Normal packages should be installed into $SYSROOT proper.

-- 

  Sergei

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