diff options
| -rw-r--r-- | guix/scripts/weather.scm | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/guix/scripts/weather.scm b/guix/scripts/weather.scm index 6d925d416c..06312d65a2 100644 --- a/guix/scripts/weather.scm +++ b/guix/scripts/weather.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net> ;;; Copyright © 2018 Kyle Meyer <kyle@kyleam.com> ;;; Copyright © 2020 Simon Tournier <zimon.toutoune@gmail.com> +;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be> ;;; ;;; This file is part of GNU Guix. ;;; @@ -185,9 +186,12 @@ or #f if it could not be determined." #:key display-missing?) "Report the subset of ITEMS available as substitutes on SERVER. When DISPLAY-MISSING? is true, display the list of missing substitutes. -Return the coverage ratio, an exact number between 0 and 1." +Return the coverage ratio, an exact number between 0 and 1. +In case ITEMS is an empty list, return 1 instead." (define MiB (* (expt 2 20) 1.)) + ;; TRANSLATORS: it is quite possible zero store items are + ;; looked for. (format #t (G_ "looking for ~h store items on ~a...~%") (length items) server) @@ -208,9 +212,10 @@ Return the coverage ratio, an exact number between 0 and 1." narinfos)) (time (+ (time-second time) (/ (time-nanosecond time) 1e9)))) - (format #t (G_ " ~,1f% substitutes available (~h out of ~h)~%") - (* 100. (/ obtained requested 1.)) - obtained requested) + (when (> requested 0) + (format #t (G_ " ~,1f% substitutes available (~h out of ~h)~%") + (* 100. (/ obtained requested 1.)) + obtained requested)) (let ((total (/ (reduce + 0 sizes) MiB))) (match (length sizes) ((? zero?) @@ -299,7 +304,9 @@ are queued~%") ;; Return the coverage ratio. (let ((total (length items))) - (/ (- total (length missing)) total))))) + (if (> total 0) + (/ (- total (length missing)) total) + 1))))) ;;; |