[bug#53257] [PATCH] gnu: foot: expose terminfo dirs via native-search-paths

[Maxime Devos <maximedevos@telenet.be>]

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Ludovic Courtès schreef op vr 28-01-2022 om 23:34 [+0100]:
> Hi,
> 
> Maxime Devos <maximedevos@telenet.be> skribis:
> 
> > This patch is about 'foot', so I tried running foot+nano, but that failed because
> > I don't use wayland.  Anyway, there are a few options here:
> 
> An option we’ve used before, in fact to work around
> <https://issues.guix.gnu.org/22138>, is to define certain variables
> globally; on Guix System, you’ll see this in /etc/profile:
> 
> --8<---------------cut here---------------start------------->8---
> # Allow Hunspell-based applications (IceCat, LibreOffice, etc.) to
> # find dictionaries.
> export DICPATH=\
> "$HOME/.guix-profile/share/hunspell\
> :/run/current-system/profile/share/hunspell"
> 
> # Allow GStreamer-based applications to find plugins.
> export GST_PLUGIN_PATH=\
> "$HOME/.guix-profile/lib/gstreamer-1.0"
> --8<---------------cut here---------------end--------------->8---
> 
> We should probably do the same for ‘TERMINFO_DIRS’.
>
> WDYT?

IIUC, that only works if 'foot' is installed in in the system profile,
and not if it is installed in the user profile.  Unlike, say,
'gnome-terminal', 'foot' doesn't seem like something that would be
in the system profile.  The variable would need to be added to
$GUIX_PROFILE/etc/profile instead.

... (me notices .guix-profile in the example above) ...

Ok, this could work with things in the user profile, but it's a rather
ad-hoc solution and won't work with "guix shell", so I would prefer
adding it to 'etc/profile'.

One option is to modify 'build-etc/profile' to always add
'TERMINFO_DIRS' (and maybe DICPATH, GUIX_LOCPATH and
SSL_CERT_DIR/FILE?) to the list of search paths.

> (Of course that that doesn’t help on foreign distros, but maybe
> ‘TERMINFO_DIRS’ is already set there?)

I'm currently on Debian+Guix.  $TERMINFO_DIRS is not set here.
Even if it was, I doubt you'd find the files for 'foot' in there
unless 'foot' is installed with the foreign distro's installer
-- AFAICT, 'foot' is not present in ncurses' terminfos.

If I do "grep -RF foot /usr/share/terminfo/", I don't find any results.
I do find results for 'kitty' though, which makes it odd that some
previous tests I did with 'kitty' failed ...

Greetings,
Maxime

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