GNU bug report logs - #26498
[PATCH] scripts: lint: Fix Guile build warning.

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Message #10 received at 26498-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Mathieu Othacehe <m.othacehe <at> gmail.com>
Cc: 26498-done <at> debbugs.gnu.org
Subject: Re: bug#26498: [PATCH] scripts: lint: Fix Guile build warning.
Date: Sun, 16 Apr 2017 12:09:20 +0200

Hi Mathieu,

Mathieu Othacehe <m.othacehe <at> gmail.com> skribis:

> * guix/scripts/lint.scm (warn-if-package-has-input): Put (_ message)
>   in let, to avoid the following warning :
>
> guix/scripts/lint.scm:251:37: warning: non-literal format string
> ---
>  guix/scripts/lint.scm | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/guix/scripts/lint.scm b/guix/scripts/lint.scm
> index 811f16706..1105dc418 100644
> --- a/guix/scripts/lint.scm
> +++ b/guix/scripts/lint.scm
> @@ -6,6 +6,7 @@
>  ;;; Copyright © 2016 Danny Milosavljevic <dannym+a <at> scratchpost.org>
>  ;;; Copyright © 2016 Hartmut Goebel <h.goebel <at> crazy-compilers.com>
>  ;;; Copyright © 2017 Alex Kost <alezost <at> gmail.com>
> +;;; Copyright © 2017 Mathieu Othacehe <m.othacehe <at> gmail.com>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -245,10 +246,13 @@ by two spaces; possible infraction~p at ~{~a~^, ~}")
>                                   (package-name package)
>                                   (if (> (length output) 0)
>                                       (string-append ":" (car output))
> -                                     ""))))
> +                                     "")))
> +                         ;; Putting tr-msg in let prevents from this
> +                         ;; Guile warning: "non-literal format string".
> +                         (tr-msg (_ message)))
>                       (when (member input input-names)
>                         (emit-warning linted
> -                                     (format #f (_ message) input)
> +                                     (format #f tr-msg input)

Not OK.  :-)

The warning is expected here, it warns about a real issue, which is that
we’re passing a non-literal format string.

I fixed it by decoupling the computational from the UI part in commit
1730c5b509c236a948b5a91ae6b7063384c1eee6.

Thanks,
Ludo’.

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