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-rw-r--r--guix/scripts/challenge.scm7
1 files changed, 4 insertions, 3 deletions
diff --git a/guix/scripts/challenge.scm b/guix/scripts/challenge.scm
index 4ec3be99ca..07477f816e 100644
--- a/guix/scripts/challenge.scm
+++ b/guix/scripts/challenge.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016, 2017, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -253,10 +253,11 @@ taken since we do not import the archives."
NARINFO."
(let*-values (((uri compression size)
(narinfo-best-uri narinfo))
- ((port response)
+ ((port actual-size)
(http-fetch uri)))
(define reporter
- (progress-reporter/file (narinfo-path narinfo) size
+ (progress-reporter/file (narinfo-path narinfo)
+ (max size (or actual-size 0)) ;defensive
#:abbreviation (const (uri-host uri))))
(define result