bug#44675: guix lint: support for spellchecker or basic grammar

[Ludovic Courtès]

Hi Vagrant,

Vagrant Cascadian <vagrant@debian.org> skribis:

> From 4e724fbe9815e1c27967b835f08d2259164538ba Mon Sep 17 00:00:00 2001
> From: Vagrant Cascadian <vagrant@debian.org>
> Date: Wed, 21 Apr 2021 09:26:45 -0700
> Subject: [PATCH] lint: Add description check for pluralized "This package"
>
> Partial fix for: https://issues.guix.gnu.org/44675
>
> * guix/lint.scm (check-pluralized-this-package): Add check for
>   occurances of "This packages" in package descriptions.
> * tests/lint.scm: Add test.

I had missed this patch, nice!

> +  (define (check-pluralized-this-package description)
> +    "Check that DESCRIPTION does not contain 'This packages'"
> +    (if (string-match "This packages" description)
> +     (list
> +      (make-warning package
> +                    (G_ "description contains 'This packages' but should 
> just be 'This package'")))
> +     '()))

How about making this ‘check-spelling’ and generalizing a bit so that it
iterates over a bunch of regexps or strings?

Like:

    (if (any (cut string-contains description <>) patterns)
         …)

where ‘patterns’ is a list of strings.

(Note that ‘string-match’ invokes libc’s regcomp + regexec, so it’s more
heavyweight than needed here.)

Thanks,
Ludo’.