From 5ed534ccc352cea9fd7920e820c8e5f47ea456ba Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Wed, 22 Nov 2017 14:36:20 +0100
Subject: progress: 'progress-bar' accounts for brackets.

* guix/progress.scm (progress-bar): Subtract 2 to BAR-WIDTH to account
for brackets.
---
 guix/progress.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/guix/progress.scm b/guix/progress.scm
index 1993c74030..ba7944214b 100644
--- a/guix/progress.scm
+++ b/guix/progress.scm
@@ -146,7 +146,8 @@ INTERVAL (a time-duration object), otherwise does nothing and returns #f."
 (define* (progress-bar % #:optional (bar-width 20))
   "Return % as a string representing an ASCII-art progress bar.  The total
 width of the bar is BAR-WIDTH."
-  (let* ((fraction (/ % 100))
+  (let* ((bar-width (max 3 (- bar-width 2)))
+         (fraction (/ % 100))
          (filled   (inexact->exact (floor (* fraction bar-width))))
          (empty    (- bar-width filled)))
     (format #f "[~a~a]"
-- 
cgit 1.4.1