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ui: 'package->recutils' accurately honors the number of columns.

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* guix/ui.scm (package->recutils)[width*]: New variable.  Use it instead
of WIDTH.
This commit is contained in:
Ludovic Courtès 2016-04-14 23:43:31 +02:00
parent 29ff6d9fcc
commit 069d43a765
1 changed files with 7 additions and 2 deletions
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9
guix/ui.scm
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@ -855,11 +855,16 @@ followed by \"+ \", which makes for a valid multi-line field value in the
(define* (package->recutils p port #:optional (width (%text-width)))
"Write to PORT a `recutils' record of package P, arranging to fit within
WIDTH columns."
(define width*
;; The available number of columns once we've taken into account space for
;; the initial "+ " prefix.
(if (> width 2) (- width 2) width))
(define (dependencies->recutils packages)
(let ((list (string-join (map package-full-name
(sort packages package<?)) " ")))
(string->recutils
(fill-paragraph list width
(fill-paragraph list width*
(string-length "dependencies: ")))))
(define (package<? p1 p2)
@ -901,7 +906,7 @@ WIDTH columns."
(format port "~a~2%"
(string->recutils
(string-trim-right
(parameterize ((%text-width width))
(parameterize ((%text-width width*))
(texi->plain-text
(string-append "description: "
(or (and=> (package-description p) P_)