From 3e6ca002a29e3dd9afeb57084b7bf1c7ce4504ca Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Tue, 14 Aug 2012 20:58:41 +0200
Subject: [PATCH] Making nameserver assignment from ip= bootparameter work with
 persistence.

---
 scripts/boot/9990-netbase.sh | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/scripts/boot/9990-netbase.sh b/scripts/boot/9990-netbase.sh
index 384f3f6..64e30df 100755
--- a/scripts/boot/9990-netbase.sh
+++ b/scripts/boot/9990-netbase.sh
@@ -65,11 +65,13 @@ EOF
 
 			if [ -n "${nameserver}" ]
 			then
+				if [ -e "${DNSFILE}" ]
+				then
+					grep -v ^nameserver "${DNSFILE}" > "${DNSFILE}.tmp"
+					mv "${DNSFILE}.tmp" "${DNSFILE}"
+				fi
 
-cat >> "${DNSFILE}" << EOF
-nameserver ${nameserver}
-EOF
-
+				echo "nameserver ${nameserver}" >> "${DNSFILE}"
 			fi
 		done
 	else
-- 
2.1.4