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ui: 'package->recutils' can split the "system:" line.

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Previously, long system lines would not be split, which would confuse
'less', possibly leading it to hide the first line of the package
recutils record (the "name:" line).

* guix/ui.scm (package->recutils)[split-lines]: New procedure.
[dependencies->recutils]: Use it.
Use it for the "systems:" value.
This commit is contained in:
Ludovic Courtès 2022-01-11 17:32:45 +01:00
parent 0552dcb294
commit 54237556ba
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GPG key ID: 090B11993D9AEBB5
1 changed files with 8 additions and 5 deletions
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guix/ui.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013, 2018 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2014 Cyril Roelandt <tipecaml@gmail.com>
@ -1514,13 +1514,15 @@ (define width*
;; the initial "+ " prefix.
(if (> width 2) (- width 2) width))
(define (split-lines str indent)
(string->recutils
(fill-paragraph str width* indent)))
(define (dependencies->recutils packages)
(let ((list (string-join (delete-duplicates
(map package-full-name
(sort packages package<?))) " ")))
(string->recutils
(fill-paragraph list width*
(string-length "dependencies: ")))))
(split-lines list (string-length "dependencies: "))))
(define (package<? p1 p2)
(string<? (package-full-name p1) (package-full-name p2)))
@ -1530,7 +1532,8 @@ (define (package<? p1 p2)
(format port "version: ~a~%" (package-version p))
(format port "outputs: ~a~%" (string-join (package-outputs p)))
(format port "systems: ~a~%"
(string-join (package-transitive-supported-systems p)))
(split-lines (string-join (package-transitive-supported-systems p))
(string-length "systems: ")))
(format port "dependencies: ~a~%"
(match (package-direct-inputs p)
(((labels inputs . _) ...)