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progress: Fix crash because of division by zero. 

* guix/progress.scm (display-download-progress): Handle the case where SIZE is
null.
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Clément Lassieur 2018-11-14 09:13:21 +01:00
parent 2aee2a96b6
commit 0289dc1473
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1 changed files with 2 additions and 1 deletions
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guix/progress.scm
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@ -2,6 +2,7 @@
;;; Copyright © 2017 Sou Bunnbu <iyzsong@gmail.com>
;;; Copyright © 2015 Steve Sprang <scs@stevesprang.com>
;;; Copyright © 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -197,7 +198,7 @@ throughput."
(define elapsed
(duration->seconds
(time-difference (current-time time-monotonic) start-time)))
(if (number? size)
(if (and (number? size) (not (zero? size)))
(let* ((% (* 100.0 (/ transferred size)))
(throughput (/ transferred elapsed))
(left (format #f " ~a ~a" file