From 4c97a368a698ccf89113a258e8cf5e7947fbcc08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 12 Jun 2018 09:28:28 +0200
Subject: substitute: Erase the current line when reporting progress.

* guix/scripts/substitute.scm (fetch-narinfos)[update-progress!]: Use
the ANSI erase-current-line sequence next to \r.
---
 guix/scripts/substitute.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'guix/scripts')

diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm
index 8e1119fb49..ab52245e8e 100755
--- a/guix/scripts/substitute.scm
+++ b/guix/scripts/substitute.scm
@@ -613,7 +613,7 @@ if file doesn't exist, and the narinfo otherwise."
     (let ((done 0)
           (total (length paths)))
       (lambda ()
-        (display #\cr (current-error-port))
+        (display "\r\x1b[K" (current-error-port)) ;erase current line
         (force-output (current-error-port))
         (format (current-error-port)
                 (G_ "updating list of substitutes from '~a'... ~5,1f%")
-- 
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