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-rw-r--r--gnu/packages/bootloaders.scm5
1 files changed, 3 insertions, 2 deletions
diff --git a/gnu/packages/bootloaders.scm b/gnu/packages/bootloaders.scm
index 1f0cf64696..5884cbd750 100644
--- a/gnu/packages/bootloaders.scm
+++ b/gnu/packages/bootloaders.scm
@@ -6,7 +6,7 @@
;;; Copyright © 2016, 2017, 2018 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2016, 2017 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2016, 2017 David Craven <david@craven.ch>
-;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2017, 2018 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -221,7 +221,8 @@ menu to select one of the installed operating systems.")
"/lib/grub")))
(for-each
(lambda (basename)
- (if (not (string-prefix? "." basename))
+ (if (not (or (string-prefix? "." basename)
+ (file-exists? (string-append output-dir "/" basename))))
(symlink (string-append input-dir "/" basename)
(string-append output-dir "/" basename))))
(scandir input-dir))