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-rw-r--r--guix/progress.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/guix/progress.scm b/guix/progress.scm
index 33cf6f4a1a..e1b35094e1 100644
--- a/guix/progress.scm
+++ b/guix/progress.scm
@@ -21,6 +21,7 @@
(define-module (guix progress)
#:use-module (guix records)
+ #:autoload (guix build syscalls) (terminal-string-width)
#:use-module (srfi srfi-19)
#:use-module (rnrs io ports)
#:use-module (rnrs bytevectors)
@@ -307,7 +308,7 @@ tasks is performed. Write PREFIX at the beginning of the line."
(if (string-null? prefix)
(display (progress-bar ratio (current-terminal-columns)) port)
(let ((width (- (current-terminal-columns)
- (string-length prefix) 3)))
+ (terminal-string-width prefix) 3)))
(display prefix port)
(display " " port)
(display (progress-bar ratio width) port)))