GNU bug report logs - #53257
Setting TERMINFO_DIRS

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From: Kevin Boulain <kevinboulain <at> gmail.com>
To: 53257 <at> debbugs.gnu.org
Subject: [bug#53257] [PATCH] gnu: foot: Wrap the program to expose TERMINFO_DIRS
Date: Sun, 27 Feb 2022 19:41:52 +0100

I hope you don't mind, I went ahead and used wrap-program as discussed
(I was encountering this issue and had a very similar patch as the
OP's). Did I get the idea that was discussed in this thread right? If
yes, should I send another patch to fix the other terminals (e.g.:
https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/terminals.scm?id=85a5110de79f4fe9fd822ede3915654ee699d6c5#n220)?

On Sun, 27 Feb 2022 at 19:32, Kevin Boulain <kevinboulain <at> gmail.com> wrote:
>
> As discussed in https://issues.guix.gnu.org/53257, it appears the
> preferred way to expose TERMINFO_DIRS to programs running under a
> terminal is to wrap the terminal with a script that sets TERMINFO_DIRS
> before exec'ing it.
> This is less invasive than unconditionally setting TERMINFO_DIRS in the
> profile (via native-search-paths) as this particular environment
> variable is only necessary when running the terminal itself.
>
> * gnu/packages/terminals.scm (foot): Export TERMINFO_DIRS.
>
> Tested:
>   ./pre-inst-env guix install foot
>   cat "$(which foot)"
>   #!/gnu/store/4y5m9lb8k3qkb1y9m02sw9w9a6hacd16-bash-minimal-5.1.8/bin/bash
>   export TERMINFO_DIRS="/gnu/store/6dwhps0cgzk0z7c3q2q596l52ibzdl5c-foot-1.11.0/share/terminfo${TERMINFO_DIRS:+:}$TERMINFO_DIRS"
>   exec -a "$0" "/gnu/store/6dwhps0cgzk0z7c3q2q596l52ibzdl5c-foot-1.11.0/bin/.foot-real" "$@"
> ---
>  gnu/packages/terminals.scm | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/gnu/packages/terminals.scm b/gnu/packages/terminals.scm
> index 06fa341472..65553ac295 100644
> --- a/gnu/packages/terminals.scm
> +++ b/gnu/packages/terminals.scm
> @@ -852,7 +852,19 @@ (define-public foot
>         ;; also to address a GCC 10 issue when doing PGO builds.
>         #:build-type "release"
>         ;; Enable LTO as recommended by INSTALL.md.
> -       #:configure-flags '("-Db_lto=true")))
> +       #:configure-flags '("-Db_lto=true")
> +       ;; Ensure the terminfo database is available to programs spawned under
> +       ;; the terminal.
> +       #:phases
> +       (modify-phases %standard-phases
> +         (add-after 'install 'wrap-program
> +           (lambda* (#:key inputs outputs #:allow-other-keys)
> +             (let* ((out (assoc-ref outputs "out")))
> +               ;; footclient executes programs under the server process,
> +               ;; there is no need to wrap it too.
> +               (wrap-program (string-append out "/bin/foot")
> +                             `("TERMINFO_DIRS" ":" prefix
> +                               (,(string-append out "/share/terminfo"))))))))))
>      (native-inputs
>       (list ncurses ;for 'tic'
>             pkg-config scdoc wayland-protocols))
> --
> 2.34.0
>

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