From 2cd1e7239fdbf60eea564c9183a6e31c03fca25e Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 28 Apr 2009 13:43:03 +0000
Subject: [PATCH] * Atomically update grub/menu.lst (although we really need an
 fsync here).

svn path=/nixos/trunk/; revision=15368
---
 installer/grub-menu-builder.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/installer/grub-menu-builder.sh b/installer/grub-menu-builder.sh
index 5d26cdb4327c..72635c364335 100644
--- a/installer/grub-menu-builder.sh
+++ b/installer/grub-menu-builder.sh
@@ -147,4 +147,6 @@ for generation in $(
 done
 
 
-cp $tmp $target
+# Atomically update /boot/grub/menu.lst.  !!! should do an fsync()
+# here on $tmp, especially on ext4.
+mv $tmp $target