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import: utils: Wrap lines in description.

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* guix/import/utils.scm (beautify-description): Use ‘fill-paragraph’; add
  optional ‘length’ argument.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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Xinglu Chen 2021-12-17 14:10:30 +01:00 committed by Ludovic Courtès
parent d6abbfdab3
commit 5cd1019488
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GPG Key ID: 090B11993D9AEBB5
1 changed files with 9 additions and 5 deletions
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guix/import/utils.scm
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@ -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