[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 1/4] gnu: Add XFILESEARCH path to profiles' environment.
From: |
Ludovic Courtès |
Subject: |
Re: [PATCH 1/4] gnu: Add XFILESEARCH path to profiles' environment. |
Date: |
Tue, 29 Nov 2016 22:42:49 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
John Darrington <address@hidden> skribis:
> On Tue, Nov 29, 2016 at 03:34:11PM +0100, Ludovic Court??s wrote:
> John Darrington <address@hidden> skribis:
>
> > We can cut down on the size of this string iff we can somehow
> > guarantee that no package ever ships a file in any of those locations.
> >
> > Some "solutions" (in my order of preference) are:
> >
> > * The size of the above list can be halved, by dropping either the
> > .../lib/... or the .../share/... items - we just have to then make
> > sure that no package ships resource files in the one we drop.
> Historically,
> > resource files were always in .../lib (as still are all official
> > sources from x.org) but recently third party packages have started
> > putting them in .../share.
> >
> > * I *think* we could also get away with further reducing the set to
> > "$HOME/.guix-profile/lib/X11/%T/%N%S:
> > /run/current-system/profile/lib/X11/%T/%N%S"
> > because, all the Xt dependent packages I've seen so far, put their
> > resource files there. However, we cannot know what might get added
> > in the future.
>
> Right, if we do both, that???s already much better.
>
> > * Hack the hard coded defaults in the libXt source to use the profile
> > settings instead of /usr
>
> Maybe we should just do that, no? It???d be a local change, it would
> achieve the same effect, and it would provide a good default.
>
> WDYT?
>
> It sounds unreliable to me. What would we set it to?
> $GUIX_PROFILE/... $HOME/.guix-profile/... /run/current-system/profile/...
> There's no guarantee that the current profile is any of those.
Maybe, but that would have the same effect as setting the environment
variable to that value, wouldn’t it?
> Something similar to the first solution seems prefereable to me. Maybe:
>
> Set XFILESEARCHPATH to
> "$HOME/.guix-profile/lib/X11/%T/%N%S:/run/current-system/profile/lib/X11/%T/%N%S"
> (we can substitute "share" for "lib" if we want to keep the FHS people
> happy).
How did you manage to shorten it that much? It’s much less intimidating
now. :-)
> Then we audit all users of libxt to make sure they put their resource files
> in lib/X11/app-defaults.
> Most packages have a --with-app-defaults configure option (which currently
> we are in many cases
> either not using or misusing).
>
> We could also consider adding a build stage to make sure that packages which
> depend on libXt put
> their resource files in the "right" place.
Sounds reasonable.
Ludo’.