From 88e5088ed480a500ad9241555ab71232a067fcb7 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Tue, 1 Sep 2009 14:48:52 +0000
Subject: setup-disk: let fdisk create an ms dos signature in case its missing

---
 setup-disk.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/setup-disk.in b/setup-disk.in
index 4873c7a..5b7a21a 100644
--- a/setup-disk.in
+++ b/setup-disk.in
@@ -183,6 +183,12 @@ useall() {
 		done
 	fi
 
+	# new disks does not have an DOS signature in sector 0
+	# this makes sfdisk complain. We can workaround this by letting
+	# fdisk create that DOS signature, by just do a "w", a write.
+	# http://bugs.alpinelinux.org/issues/show/145
+	echo "w" | fdisk $rootdisk_dev >/dev/null
+
 	# create new partitions
 	(cat <<EOF
 0,$boot_size,$boot_part_type,*
-- 
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