01/06: import: utils: Wrap lines in description.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit 5cd1019488c44081aaf030fbe8bc357d78daef23
Author: Xinglu Chen <public@yoctocell.xyz>
AuthorDate: Fri Dec 17 14:10:30 2021 +0100

    import: utils: Wrap lines in description.
    
    * guix/import/utils.scm (beautify-description): Use ‘fill-paragraph’; add
      optional ‘length’ argument.
    
    Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 guix/import/utils.scm | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/guix/import/utils.scm b/guix/import/utils.scm
index dc89386..1c3cfa3 100644
--- a/guix/import/utils.scm
+++ b/guix/import/utils.scm
@@ -9,6 +9,7 @@
 ;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
 ;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
+;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -39,6 +40,7 @@
   #:use-module (guix store)
   #:use-module (guix download)
   #:use-module (guix sets)
+  #:use-module (guix ui)
   #:use-module (gnu packages)
   #:use-module (ice-9 match)
   #:use-module (ice-9 rdelim)
@@ -234,9 +236,10 @@ to in the (guix licenses) module, or #f if there is no 
such known license."
 with dashes."
   (string-join (string-split (string-downcase str) #\_) "-"))
 
-(define (beautify-description description)
-  "Improve the package DESCRIPTION by turning a beginning sentence fragment
-into a proper sentence and by using two spaces between sentences."
+(define* (beautify-description description #:optional (length 80))
+  "Improve the package DESCRIPTION by turning a beginning sentence fragment 
into
+a proper sentence and by using two spaces between sentences, and wrap lines at
+LENGTH characters."
   (let ((cleaned (cond
                   ((string-prefix? "A " description)
                    (string-append "This package provides a"
@@ -251,8 +254,9 @@ into a proper sentence and by using two spaces between 
sentences."
                                              (string-length "Functions"))))
                   (else description))))
     ;; Use double spacing between sentences
-    (regexp-substitute/global #f "\\. \\b"
-                              cleaned 'pre ".  " 'post)))
+    (fill-paragraph (regexp-substitute/global #f "\\. \\b"
+                                          cleaned 'pre ".  " 'post)
+                length)))
 
 (define* (package-names->package-inputs names #:optional (output #f))
   "Given a list of PACKAGE-NAMES or (PACKAGE-NAME VERSION) pairs, and an