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From: Maxime Devos <maximedevos@telenet.be>
To: Florian <florhizome@posteo.net>, 53257@debbugs.gnu.org
Subject: [bug#53257] [PATCH] gnu: foot: expose terminfo dirs via native-search-paths
Date: Sat, 15 Jan 2022 15:24:26 +0100	[thread overview]
Message-ID: <9b79749f1902ca64bc0a544a697b4109920592f5.camel@telenet.be> (raw)
In-Reply-To: <87sftqlykz.fsf@tp-x230-guix.mail-host-address-is-not-set>

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Florian schreef op vr 14-01-2022 om 22:52 [+0000]:
> [...]

I think the basic idea here is that the following should work:

$ guix shell --pure some-terminal-emulator -- some-terminal-emulator
# e.g., kitty
# from inside the terminal: (e.g. nano)
$ ~/.config/guix/current/bin/guix shell some-terminal-app -- some-terminal-app
# Variation: run under sudo

This works for kitty+nano, as you note, because kitty sets TERMINFO.
It also works for kitty+'emacs -nw'.  However, in some combinations things won't work:

An example you noted is kitty+sudo+'emacs -nw'.  This doesn't work for me either.
This seems to be caused by 'sudo' clearing too much.  As I understand it, this is
only an illustrative counter-example, and not something that setting
'native-search-paths' could fix?

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:

 1. patch the source code of 'foot' to set "TERMINFO_DIRS" or "TERMINFO"
    appropriately (I'm not sure about the exact difference) (or use wrap-program
    in 'foot').

    The benefit of this above adding search paths, is that running 'foot'
    directly from the store could work (somewhat niche though).

    It would need to be investigated whether this works for your use case of
    setting 'foot-direct' instead of 'foot-xterm'.

 2. modify 'nano', 'emacs', ... to add a "TERMINFO_DIRS" search path.

    A benefit of this approach above adding it to terminal emulators,
    is that this how search paths are supposed to be used AFAIK
    (adding an INFOPATH, LIBRARY_PATH, CROSS_LIBRARY_PATH, CPATH, ...
    search path to every C library that has 'info' documentation is
    rather cumbersome, instead INFOPATH ‘belongs’ to info readers,
    LIBRARY_PATH etc. to compilers, ...).

    A downside is that setting it here can be ‘too late’.
    E.g., in the "guix shell terminal" then "guix shell editor"
    example, the editor and terminal application are in separate profiles
    so guix doesn't set TERMINFO_DIRS

 3. Like (2), but add it to the terminal apps instead.

My order of preference: (1) > (3) > (2).
Here, (3) would be a lot easier than (1) but almost as good,
so maybe we could do (3) first and leave (1) for later?

AFAICT It's not only 'foot' that is affected, should we do (3) for all terminal
emulators that don't do (1) like kitty?

Greetings,
Maxime


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  parent reply	other threads:[~2022-01-15 14:25 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-14 14:02 [bug#53257] [PATCH] gnu: foot: expose terminfo dirs via native-search-paths florhizome
2022-01-14 19:02 ` Maxime Devos
2022-01-14 22:52   ` Florian
2022-01-15 11:45     ` Maxime Devos
2022-01-15 11:48     ` Maxime Devos
2022-01-15 12:30     ` Maxime Devos
2022-01-15 15:19       ` Florian
2022-01-15 15:38         ` Maxime Devos
2022-01-15 18:46           ` Florian
2022-01-23 21:26             ` Maxime Devos
2022-01-15 15:46         ` Maxime Devos
2022-01-15 15:46         ` Maxime Devos
2022-01-15 14:24     ` Maxime Devos [this message]
2022-01-28 22:34       ` Ludovic Courtès
2022-02-08 12:46         ` Maxime Devos
2022-02-10 20:30           ` Ludovic Courtès
2022-02-10 21:45             ` Maxime Devos
2022-02-12 21:49               ` Ludovic Courtès
2022-02-27 18:34 ` [bug#53257] [PATCH] gnu: foot: Wrap the program to expose TERMINFO_DIRS Kevin Boulain
2022-02-27 18:41   ` Kevin Boulain
2022-02-27 19:22   ` Maxime Devos
2022-02-28 20:29     ` Kevin Boulain
2022-03-01 19:34     ` Kevin Boulain
2022-03-01 19:28 ` Kevin Boulain
2022-06-19  5:27   ` Tom Fitzhenry

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