From fdf14c64f1dc7526e84b7e0ce41bf99e5b31c3f8 Mon Sep 17 00:00:00 2001
From: John Darrington <jmd@gnu.org>
Date: Thu, 8 Sep 2016 14:56:14 +0200
Subject: [PATCH] gnu: Add edit warning to generated grub.cfg files

* gnu/services/grub.scm (grub-configuration-file): Add code to emit warning.
---
 gnu/system/grub.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/system/grub.scm b/gnu/system/grub.scm
index 45b46cae6f..aa93c0f454 100644
--- a/gnu/system/grub.scm
+++ b/gnu/system/grub.scm
@@ -270,6 +270,10 @@ corresponding to old generations of the system."
     (define builder
       #~(call-with-output-file #$output
           (lambda (port)
+            (format port
+                    "# This file was generated from your GuixSD configuration.  Any changes
+# will be lost upon reconfiguration.
+")
             #$sugar
             (format port "
 set default=~a