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

[Vagrant Cascadian <vagrant@debian.org>]

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On 2021-04-22, Maxime Devos wrote:
> +  (define (check-pluralized-this-package description)
> +    "Check that DESCRIPTION does not contain This packages"
>
> The sentence structure would be clearer if you used quotes here,
> something like "Check that DESCRIPTION does not contain ‘This packages’".

Any compelling reason to use ‘This packages’ vs. 'This packages' ? It
seems other quotes in guix/lint.scm use '' also, and I'm not apparently
skilled enough with a keyboard to generate ‘’-style quotes... :)


> +    (if (string-match "This packages" description)
> +	(list
> +	 (make-warning package
> +		       (G_ "description contains This Packages but should just be This package")))
>
> There are no package descriptions containing "This Packages".
> Did you mean "This packages"?

Nice catch, thanks!


>> +(test-equal "description: pluralized this package"
> Quotes: "description: pluralized ‘this package’".

Noted.


>> +  "description contains This Packages but should just be This package"
> Capitalisation error: This Packages --> This packages
> Also, quotes: "description contains ‘This packages’ but should just be ‘This package’".

Again, nice catch!


Updated the commit message and incorporated the above suggestions into
the updated attached patch.


live well,
  vagrant

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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.
---
 guix/lint.scm  | 9 +++++++++
 tests/lint.scm | 7 +++++++
 2 files changed, 16 insertions(+)

diff --git a/guix/lint.scm b/guix/lint.scm
index 1bebfe03d3..e00048349b 100644
--- a/guix/lint.scm
+++ b/guix/lint.scm
@@ -221,6 +221,14 @@ markup is valid return a plain-text version of DESCRIPTION, otherwise #f."
                       (G_ "Texinfo markup in description is invalid")
                       #:field 'description))))
 
+  (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'")))
+	'()))
+
   (define (check-trademarks description)
     "Check that DESCRIPTION does not contain '™' or '®' characters.  See
 http://www.gnu.org/prep/standards/html_node/Trademarks.html."
@@ -283,6 +291,7 @@ by two spaces; possible infraction~p at ~{~a~^, ~}")
          (check-not-empty description)
          (check-quotes description)
          (check-trademarks description)
+         (check-pluralized-this-package description)
          ;; Use raw description for this because Texinfo rendering
          ;; automatically fixes end of sentence space.
          (check-end-of-sentence-space description)
diff --git a/tests/lint.scm b/tests/lint.scm
index a2c8665142..3e1b95680a 100644
--- a/tests/lint.scm
+++ b/tests/lint.scm
@@ -160,6 +160,13 @@
                              (description "This is a 'quoted' thing."))))
      (check-description-style pkg))))
 
+(test-equal "description: pluralized 'This package'"
+  "description contains 'This packages' but should just be 'This package'"
+  (single-lint-warning-message
+   (let ((pkg (dummy-package "x"
+                             (description "This packages is a typo."))))
+     (check-description-style pkg))))
+
 (test-equal "synopsis: not a string"
   "invalid synopsis: #f"
   (single-lint-warning-message
-- 
2.30.2


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